Which Insulated Shed Should I Choose?
Both Sapphire and Platinum insulated sheds provide a more comfortable and versatile alternative to a basic garden shed, but they suit different requirements. Sapphire is an excellent starting point for a compact insulated shed, hobby room or occasional workspace. At the same time, Platinum offers larger sizes and a higher specification for customers who expect to spend more time inside their building.
| Feature | Sapphire Insulated Sheds | Platinum Insulated Sheds |
| Best for | Hobbies, crafts, lighter DIY, improved storage and occasional workspace | Regular hobbies, workshops, larger workspaces and more intensive use |
| Price position | £ – Lower | ££ – Higher specification |
| Typical size range | Approx. 7×5 to 12×10 ft | Selected ranges from approx. 8×6 up to 28×16 ft |
| Full insulation option | Yes | Yes |
| Internal lining | Available with insulated specification | Available with insulated specification |
| Colour finish option | Yes | Yes |
| Professional installation | Included in applicable delivery areas | Included in applicable delivery areas |
| Why choose it? | You want the benefits of an insulated timber shed without needing a particularly large or higher-priced building | You want more space, a higher specification or a building intended for longer and more regular periods of use |
Specifications, insulation, lining and available sizes vary between individual models. Check the specifications of your chosen building before ordering.
Why Choose a Sapphire Insulated Shed?
A Sapphire insulated shed could be the right choice if you want more from your garden building than straightforward storage but do not require the size or specification of a larger Platinum building. Adding insulation and internal lining can make the shed considerably more practical for hobbies, crafts, lighter DIY and occasional work throughout the year.
Reasons to Choose Sapphire
- You want a compact or medium-sized insulated shed.
- You want somewhere more comfortable for hobbies or crafts.
- You need a small workshop for lighter DIY projects.
- You want an occasional workspace away from the house.
- You want improved storage for equipment that benefits from a more stable internal environment.
- You want full insulation without automatically moving into a larger, more expensive building.
- You want professional fitting included in applicable delivery areas.
Why Might Sapphire Be Right for You?
Sapphire could provide the best balance between price, size and comfort if you want a traditional timber shed that will also be somewhere you spend time. It is particularly suitable when you need enough room for a workbench, craft table, shelving or hobby equipment but do not need a large dedicated workshop.
If your main requirement is garden storage with occasional hobby or working use, Sapphire may provide everything you need without paying for the additional size and specification of a Platinum building.
Why Choose a Platinum Insulated Shed?
Platinum is worth considering when you want a larger or more highly specified insulated garden building. Selected Platinum ranges provide substantially greater floor areas, making it possible to accommodate larger workbenches, equipment, storage and dedicated working areas without the interior becoming cramped.
This makes Platinum particularly attractive if you expect to spend several hours at a time inside the building or want it to serve several purposes, such as combining a hobby area, workshop and storage space.
Reasons to Choose Platinum
- You want a larger insulated garden building.
- You expect to use the building regularly rather than occasionally.
- You need room for larger workbenches, equipment or machinery.
- You want dedicated working and storage areas within one building.
- You need greater flexibility over overall size and layout.
- You want an insulated hobby room or workshop for extended-season use.
- You are prepared to invest more for additional space and specification.
Why Might Platinum Be Right for You?
Platinum could be the better investment if your insulated shed is going to become a regularly used garden workspace rather than primarily a storage building. The larger sizes available give you more freedom to plan benches, shelving, equipment, and circulation space around how you actually intend to use the room.
If you are likely to outgrow a smaller shed or already know that the building will be used frequently for hobbies, DIY or workshop activities, investing in the additional space at the outset can be more practical than trying to work within a building that is too small.
Sapphire or Platinum: Which Insulated Shed Should I Choose?
| Your Main Requirement | Our Starting Recommendation |
| Compact insulated shed | Sapphire |
| Lower initial investment | Sapphire |
| Craft or hobby room | Sapphire |
| Occasional home workspace | Sapphire |
| Lighter DIY workshop | Sapphire |
| Large insulated building | Platinum |
| Regular workshop or hobby use | Platinum |
| Large benches and equipment | Platinum |
| Combined workspace and storage | Platinum |
| Maximum choice of larger sizes | Platinum |
Sapphire or Platinum: The Simple Answer
Choose Sapphire if you want a good-quality insulated shed for hobbies, crafts, lighter DIY, or occasional work, and a compact to medium-sized building provides enough room.
Choose Platinum if you expect to spend more time inside the building, need considerably more working space or want to combine substantial storage with a dedicated hobby or workshop area.
Remember that insulation does not generate heat. It slows heat transfer and retains warmth, so you may still need an appropriate heat source for a comfortable workspace during cold winter weather. Ventilation is also important in any insulated building that is regularly occupied.
Browse our insulated garden sheds to compare the available Sapphire and Platinum buildings, sizes and insulation options.
Why Trust 1st Choice Leisure Buildings?
Choosing a garden building is an investment, so it's important to buy from a company you can rely on. At 1st Choice Leisure Buildings, we've been helping customers find the right garden sheds, summerhouses, log cabins, garden offices and workshops
since 1979 when
Robin Antill opened the doors. As a
family-run business, we believe in offering honest advice rather than a hard sell. We take the time to understand what you need and help you choose a building that suits your garden, your budget and the way you plan to use it.
Our approach is reflected in our
4.9 Trustpilot rating, where customers regularly mention our friendly, helpful service. We only work with manufacturers we trust, selecting buildings that offer good quality, durability and value for money. Most are made from
FSC®-certified timber and built to cope with the British weather. If you'd rather see a building before you buy, you're welcome to visit one of the
UK's largest garden building display sites. 1st Choice – Known For Quality – Loved For Design - Since 1979
Being able to compare different models and talk things through with our experienced team helps many customers make the right decision. Since 1979, we've supplied over 50,000 buildings across the UK, building our reputation on quality products, straightforward advice and customer service you can depend on. We are always available to meet your needs or requirements so
contact us NOW if you would like help or advice.
We live quite far away; is it really worth visiting our show rooms? Absolutely!
We strongly urge anyone looking for a new building – whether it's a new garden shed, summerhouse, workshop, garage, or a full garden room – to
visit and inspect the quality in person before committing to any purchase.
Seeing the craftsmanship, materials and finishes for yourself is the best way to make a confident and informed decision.
Whilst we cannot display everything we offer, we have carefully selected around 80 different buildings that allow us to demonstrate almost every feature, design option, and construction detail in one form or another.
This allows you to compare styles, sizes and specifications, ask any questions you may have, and find the building that best suits your needs.
So, yes, it is absolutely worth visiting.
Click here to see what buildings on display. If you are unsure then
why not walk through our site virtually using our walk through tour below (or
click here to open in a new full screen window). An insulated shed gives you the practicality of a traditional timber garden shed with added insulation to help create a more comfortable and stable environment inside. It can be an excellent choice for a workshop, hobby room, craft space, occasional home workspace or storage where temperature changes are a concern.
At 1st Choice Leisure Buildings, our insulated garden sheds are available in a wide choice of sizes, styles and specifications, including apex, pent, reverse-apex, transverse and corner designs. Full insulation and internal lining options are available across selected ranges, together with colour finishes and other ways to customise your building.
We have been helping customers choose garden buildings since 1979, and you can visit our Surrey show site to inspect buildings, construction methods and internal finishes before deciding.
Need help choosing? Tell us what you want to use your shed for and we can advise on size, construction, insulation, lining, windows, doors, base requirements and installation.
Insulated Sheds at a Glance
Best suited to: Workshops, hobbies, crafts, occasional home working and improved storage.
Insulation: Full insulation options are available on selected models.
Internal finish: Choice of lining options depending on the range selected.
Construction: Quality timber construction with substantial framing.
Glazing: Toughened glass is supplied on applicable models.
Sizes: Available from compact garden sheds through to large workshop-sized buildings.
Roof styles: Apex, pent, reverse-apex and transverse options are available, together with selected corner building designs.
Doors: Choose from single or double doors, depending on the model.
Finish: A choice of paint colours is available on selected ranges.
Installation: Free professional assembly or fitting is included on selected ranges, subject to your delivery area.
Base: A base-building service is available if you do not already have a suitable foundation.
Bespoke options: Alternative sizes, layouts and specifications are available on selected ranges.
See before buying: Buildings and construction options can be inspected at our Surrey display site.
Important: Insulation reduces the rate at which heat passes through a building; it does not generate heat. An occupied shed may still require suitable heating in cold weather and appropriate ventilation throughout the year.
Click on image below to see larger versions of insulated lined sheds (Opens new page)
Insulated Ply Lining
What Is an Insulated Shed?
An insulated shed is a timber garden building in which insulation is incorporated into the building envelope, such as the walls, roof and floor, usually with an internal lining covering and protecting the insulation.
Insulating your shed helps keep the temperature a bit more comfortable throughout the year. It holds onto warmth better in colder weather and helps reduce heat coming through in summer, making the shed a more pleasant place to spend time.
An insulated garden shed can be particularly useful as a hobby room, craft room, home workshop, model-making room, sewing room, art room, music practice space, occasional home workspace, garden retreat, exercise space or for suitable storage where a more moderated internal environment is beneficial.
For simple storage of garden tools, lawn mowers and outdoor equipment, a standard uninsulated garden shed may be all you need. If you expect to spend considerable time inside the building, however, insulation is well worth considering.
How Is an Insulated Shed Constructed?
This is one of the most important questions to ask before buying. The words “ insulated shed” do not describe one universal construction specification. Insulation materials, thicknesses, internal linings and the areas of the building that are insulated can vary between manufacturers and ranges.
A typical insulated timber shed is constructed in layers. From the outside to the inside, this normally consists of external timber cladding, structural timber framing, insulation positioned within the framing and an internal lining.
Click on image below to see larger versions of insulated lined sheds (Opens new page)
Insulated Ply Lining
The precise construction depends on the shed range you choose, so always check the individual specification rather than assuming that every insulated building is constructed in the same way.
Wall Insulation
Wall insulation helps reduce heat transfer through some of the largest exposed surfaces of a shed. The insulation normally sits within the structural timber framework and is protected on the inside by a suitable lining.
Roof Insulation
The roof is an important part of the thermal envelope because insulating the walls alone does not create a fully insulated building. If you intend to use the shed regularly throughout colder periods, it is important to establish whether the roof is insulated and how it is constructed.
Floor Insulation
The floor is particularly important if you intend to spend long periods inside during colder weather. A cold floor can significantly affect how comfortable a workshop, hobby room or workspace feels, so it is worth comparing floor construction as well as wall insulation.
Internal Lining
Depending on the building and range selected, different internal finishes may be available, including MDF, plywood and timber tongue-and-groove lining.
Your choice of internal lining is not purely cosmetic. Think about whether you intend to attach shelving, cupboards, tools or other equipment to the walls. Heavy items require suitable structural fixing points and should not simply be attached to thin lining material.
Insulated Shed Specifications: What Should You Compare?
Wall insulation: Have a look at what insulation is actually used in the walls and how thick it is. Don’t take “ insulated shed” at face value, as the level of insulation can vary quite a bit from one shed to another.
Roof insulation: Establish whether the roof is insulated and what materials are used. The roof forms an important part of the complete thermal envelope.
Floor insulation: Check whether the floor is insulated, particularly if the building will be occupied regularly rather than used solely for storage.
External cladding: Check the timber type, profile and thickness. The underlying building needs to be structurally sound and weather-resistant before insulation is considered.
Framing: Look at the timber framing dimensions and construction. The framing supports the building, insulation and internal lining.
Internal lining: Establish whether the building is lined with MDF, plywood, tongue-and-groove timber or another material and whether that finish is suitable for your intended use.
Floor construction: Consider the floor specification carefully if you intend to install furniture, benches, tools or equipment.
Roof construction: Compare the roof timbers and covering as well as the insulation specification. A good roof protects the entire building and everything inside it.
Glazing: Check the type of glass supplied and consider daylight, privacy, security and thermal performance when choosing the number and position of windows.
Doors: Check the construction, width and position of the doors. This is particularly important if machinery, bicycles, furniture or other large items need to pass through them.
Ventilation: Check what ventilation is provided or can be added. Insulation does not remove the need to manage moisture and fresh air.
Installation: Establish whether professional installation is included or charged separately because this can make a significant difference to the true installed cost of a building.
Base requirements: Make sure you understand the manufacturer’s base requirements before installation. Even an excellent garden building can perform poorly if erected on an unsuitable foundation.
Technical Insulation Specifications
Where verified manufacturer information is available, useful specifications to compare include the insulation material, insulation thickness, wall construction, roof construction, floor construction, external cladding thickness, framing dimensions, internal lining thickness and glazing specification.
Verified U-values or other thermal-performance figures can also be useful where these have been calculated or tested for the complete construction. We do not believe in quoting made-up thermal-performance figures. If a U-value has not been properly established for the complete building element, insulation thickness alone should not be presented as though it were one.
Which Insulated Shed Is Right for Me?
The best insulated shed is not necessarily the largest or most expensive. It is the building whose construction, size, layout and specifications suit what you actually intend to do inside it.
Best Insulated Sheds for Hobbies and Crafts
If you paint, sew, restore furniture, build models or enjoy another hobby that keeps you outside for several hours, an insulated shed can make a substantial difference compared with a basic storage shed.
Consider sufficient internal floor space, useful natural light, sensible window positions, electrical requirements, the internal wall finish, ventilation and an appropriate location for heating if required.
Best Insulated Sheds for a Home Workshop
For DIY and hobby workshop use, pay particular attention to usable internal dimensions rather than simply the nominal shed size. Plan the position of benches, tools and machinery before choosing the final position of doors and windows.
Consider floor strength, working height, double-door access where required, clear wall space for shelving and storage, power requirements, task lighting and ventilation.
For heavier machinery or more intensive workshop use, it is also worth comparing our dedicated insulated workshops and heavy duty garden workshops.
Click on image below to see larger versions of insulated workshops (Opens new page)
Best Insulated Sheds for Occasional Home Working
An insulated shed can provide a useful quiet space away from the house for occasional home working. Think about daylight, electrical sockets, internet connectivity, heating, ventilation and where your desk and storage will be positioned.
If the building will primarily be used as a permanent office or you want a more residential internal specification, compare an insulated shed with our purpose-designed insulated garden rooms and offices before ordering.
Best Larger Insulated Sheds
Some larger insulated timber buildings offer considerably more room than a conventional garden shed, allowing separate areas for benches, storage, hobbies or leisure use to be combined within one building.
Rather than automatically buying the largest building your garden will accommodate, plan the internal space first. Consider where furniture, machinery, shelving, storage and access routes will be positioned before settling on the external dimensions.
Click on image below to see larger versions of insulated workshops (Opens new page)
Insulated Shed vs Insulated Workshop vs Garden Office
An insulated shed is usually the most versatile choice if you want the traditional practicality of a timber garden shed for hobbies, storage, light workshop use and occasional working while benefiting from insulation and an internal lining.
An insulated workshop is usually the better choice where the main purpose of the building is DIY, machinery, substantial benches or regular practical projects. Construction, floor strength, access and working space are often particularly important for this type of use.
An insulated garden office or garden room is generally the better choice where regular occupation, home working or a more residential-style internal appearance and specification are the main priorities.
Choose an Insulated Shed If…
Choose an insulated shed if you want the practical character and versatility of a timber shed but expect to spend enough time inside for insulation and internal lining to be worthwhile.
Choose an Insulated Workshop If…
Choose an insulated workshop if your main priority is substantial benches, tools, machinery or a larger dedicated working area where the building’s practical construction is particularly important.
Choose a Garden Office or Garden Room If…
Choose an insulated garden office or garden room if your main priority is regular occupation, daily home working, leisure use or a more residential-style interior rather than traditional shed or workshop use.
Are Insulated Sheds Suitable for Year-Round Use?
Yes, an appropriately specified insulated shed can be much more practical for year-round use than an equivalent uninsulated shed. However, insulation is only one part of creating a comfortable garden workspace.
Heating: Insulation helps retain heat but does not create it. Suitable heating may therefore still be required during colder winter weather.
Ventilation: People, wet clothing and everyday activities introduce moisture into a building. Appropriate ventilation remains important even when a shed is insulated.
Floor: Do not concentrate solely on insulating the walls. If you intend to occupy the building regularly, consider the complete building envelope, including the floor and roof.
Windows: More glazing gives you additional daylight, but it can also reduce privacy and usable wall space and may affect the thermal performance of the building.
Doors: Consider access requirements, potential draughts and the size of equipment or furniture that must pass through the doors.
Base: Even a high-quality insulated shed depends on a strong, flat and correctly prepared foundation.
Drainage: Guttering and sensible site drainage can help direct rainwater away from timber walls and the base of the building.
Are Insulated Sheds Worth It?
An insulated shed is usually worth considering when you expect to spend significant time inside the building or want greater control over its internal environment.
Insulation can be particularly worthwhile for regular hobby use, workshops, craft rooms, occasional home working, leisure spaces and the storage of suitable equipment or belongings that benefit from reduced temperature fluctuations.
It may not be worth the additional cost if your shed is only used to store ordinary garden tools and you enter it for a few minutes at a time. In this situation, one of our standard garden sheds may be the more appropriate choice. This is why we recommend choosing a specification according to how you will actually use the building rather than automatically adding every available option.
What We Have Learned from Selling Garden Buildings Since 1979
After decades of helping customers choose sheds and garden buildings, we have learned that seemingly small decisions can make a large difference once a building is in everyday use.
People Often Buy Too Small
A shed can look enormous when it is empty. Add a workbench, chair, cupboards, shelving, tools and storage boxes and the available floor space can disappear surprisingly quickly.
Before ordering, draw the internal floor area to scale and add everything you intend to put inside. If your garden and budget allow a little additional room, that extra space can prove extremely useful over the life of the building.
Plan the Inside Before Choosing the Windows
Customers understandably think about how their shed will look from the garden. Still, a beautifully positioned window is not much help if it occupies the wall where you later discover you need a tall storage unit, shelving or a workbench.
Plan the internal layout first and use that plan to help determine the most useful positions for windows and doors.
Think About Electricity Early
If you are likely to need lighting, sockets, computers, tools, chargers or heating, consider the electrical layout before installation and internal finishing. Planning this at an early stage can result in a neater and more practical finished building.
Electrical work should be designed and carried out by a suitably competent person in accordance with the applicable requirements.
Do Not Spend Thousands on a Shed and Economise on the Base
The base is literally what your new building depends upon. It needs to be firm, flat, correctly sized and capable of supporting the structure.
A poor base can affect doors, windows, joints and the alignment of the entire building, so base preparation should be treated as an important part of the project rather than an afterthought.
Insulation Does Not Fix a Poor Shed
A weak or leaking garden building does not become a premium building simply because insulation is added inside the walls. Start by looking at the quality of the timber, framing, floor, roof, doors, windows and overall construction, and then consider the insulation specification.
See an Insulated Shed Before You Buy
One advantage of buying from 1st Choice Leisure Buildings is that you do not have to judge everything from photographs. Our Surrey display site allows you to inspect garden buildings and construction details in person before deciding what is right for you.
You can walk inside different building sizes, compare construction quality, inspect framing, compare internal finishes, examine doors and windows, see how substantial the floors feel and discuss insulation options and your intended use with our experienced team.
We have been helping customers choose garden buildings since 1979 and have supplied more than 50,000 buildings. If you are investing in an insulated shed that you expect to use for years, seeing what you are buying can be well worth the journey.
Insulated Shed Buying Checklist
1. What am I going to use the shed for?
2. How much room do I realistically need inside?
3. What needs to fit in there – tools, furniture, shelving, machinery or a workbench?
4. Which parts of the shed are actually insulated?
5. What type of insulation is used, and how thick is it?
6. What is the inside of the shed lined with?
7. Is the floor strong enough for what I’ll be putting in there?
8. Where would I like the windows to be?
9. Are the doors wide enough to get everything in and out comfortably?
10. Where will shelving, cupboards and workbenches go?
11. Will I need power, plug sockets or extra lighting?
12. Is there enough ventilation, particularly if I’ll be spending a lot of time inside?
13. Am I likely to need heating in the colder months?
14. Have I got a good, solid and level base for the shed?
15. Where will the rainwater go, and will it drain away properly from the building?
16. Is there enough access to get the shed installed and to look after it in years to come?
17. Do I need to check planning permission or any other regulations before I order?
18. Would an insulated workshop or insulated garden office or garden room actually suit my requirements better?
Frequently Asked Questions About Insulated Sheds
What Is an Insulated Shed?
An insulated shed is a garden building containing insulating material within areas such as the walls, roof or floor, normally covered internally by a lining. Insulation reduces heat transfer, helping create a more stable internal environment than an equivalent uninsulated shed.
Are Insulated Sheds Warm in Winter?
Insulation can help an insulated shed retain heat, but insulation itself does not heat the building. If you want a comfortable workspace during cold winter weather, suitable heating will normally still be required.
Do Insulated Sheds Stay Cooler in Summer?
Insulation can also reduce the rate at which external heat passes through the building. Still, the internal temperature is influenced by several other factors, including direct sunlight, glazing, ventilation, roof construction and the position of the shed.
Do Insulated Sheds Need Ventilation?
Yes. An occupied insulated shed still needs appropriate ventilation. People, damp equipment, wet clothing and everyday activities can introduce moisture, and completely sealing a garden building in an attempt to retain heat can create other problems.
Does an Insulated Shed Need a Special Base?
No special base is needed just because a shed is insulated. What does matter is having a firm, level base that’s the right size for the building. The exact requirements can vary depending on the shed and where it’s being installed, so it’s always worth checking the specifications for your chosen model. A good, solid base will help the shed sit properly and serve you well for years to come.
Should the Floor of a Shed Be Insulated?
If you plan to occupy the shed regularly, floor insulation is worth considering as part of the overall thermal envelope. Ask which areas of the particular building are insulated rather than assuming that “fully insulated” means the same thing across every manufacturer.
Can I Use an Insulated Shed as a Home Office?
An insulated shed can work well for occasional home working. For daily use, or where you want a more residential finish and specification, a purpose-designed insulated garden office or garden room may be the better choice.
Can I Use an Insulated Shed as a Workshop?
Yes. Insulated sheds can make excellent hobby and DIY workshops. For heavy benches, machinery or more intensive workshop use, compare the floor, framing, working height and overall construction with our dedicated heavy duty garden workshops or insulated workshops.
Will Insulation Stop Condensation?
Not by itself. Insulation can help moderate internal surface temperatures, but condensation and moisture are also influenced by ventilation, humidity, heating, damp items, drainage and the construction of the building.
Can I Insulate a Normal Shed Later?
It may be possible to insulate an existing shed, but retrofitting insulation involves more than simply filling spaces between the framing. Moisture management, ventilation, the roof, floor, electrical installations and internal lining all need to be considered. If you know from the outset that you want an insulated building, specifying it appropriately when ordering is often the better approach.
What Is the Best Lining for an Insulated Shed?
There is no single lining material that is best for every customer. MDF, plywood, and timber lining can offer different appearances and practical characteristics. Your intended use is particularly important if you want to fix shelving, cabinets or equipment to the walls.
How Much Does an Insulated Shed Cost?
The price of an insulated shed depends on the building size, construction, insulation, internal lining and other options selected. Rather than comparing headline prices alone, compare the complete installed specification and exactly what is included with each building.
Do You Install Insulated Sheds?
Professional assembly or fitting is included on applicable 1st Choice wooden shed ranges within the relevant delivery areas, subject to site access and the individual product conditions. Check the product specification and delivery information for your chosen building.
Can I See Insulated Sheds Before Buying?
Yes. You can visit our Surrey garden building display site to inspect buildings and construction options and discuss your requirements with our team before ordering.
Get Help Choosing Your Insulated Shed
Buying an insulated garden shed is not simply a question of choosing a size and clicking “buy”. Think about what you will do inside it, how frequently you will use it and what equipment or furniture needs to fit. From there you can make sensible decisions about construction, insulation, internal lining, windows, doors and other options.
If you are unsure, speak to us. We have been helping customers choose garden buildings since 1979, and we can help you decide whether an insulated shed, insulated workshop or purpose-built insulated garden room is the right solution for you.
From £1449