View More Summerhouse Images
Click on images below to see larger versions of summerhouses
Click on images below to see larger versions of summerhouses
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Click on images below to see larger versions of summerhouses
Click on images below to see larger versions of summerhouses
Click on images below to see larger versions of summerhouses
Click on images below to see larger versions of sumerhouse shed combos
Click on images below to see larger versions of combination garden rooms with shed
We recommend OPTIONAL Demidekk Ultimate log cabin paint range which can be colour matched to suit. See examples in
our photo gallery.Please note that all colour shown are indicative only and will vary depending upon the light on the day the photo was taken. Additionally all screens will display the image differently. If exact colour is essential then please order a sample pot.
Choosing a 20×12 summerhouse from 1st Choice Leisure Buildings offers a perfect blend of space, style, and durability. This size provides ample room for various uses, whether it’s an office, hobby space, or relaxation area.
Constructed with high-quality materials, their summerhouses are designed to withstand the elements while maintaining a beautiful aesthetic. Additionally, the customisable features allow you to tailor the space to match your preferences and needs, making it a seamless addition to your garden.
With a strong focus on craftsmanship and customer satisfaction, 1st Choice ensures you’re in a product that elevates your outdoor living experience.
Choosing A 20ft x 12ft Summer House From 1st Choice Leisure
When choosing a summer building, you need to check the specifications to ensure it will have the strength to withstand the elements. So always check the thickness of the timber, whether it’s made from redwood or the cheap, inferior whitewood, and how thick the framing is, etc.
Consider how the joinery-made doors and windows enhance both style and security, offering long-lasting beauty and peace of mind. Imagine the confidence in knowing that toughened glass provides an added layer of safety for both your loved ones and belongings. In contrast, imperfect horticultural glass, plastic, or perspex may not offer the same level of durability and protection. As you make your choice, think about the reassurance and elegance that quality materials bring to your space.
Free Installation Included As Standard On All Diamond & Platinum Buildings.
On many of the buildings available on the web, you will find that they will deliver them to your house and leave them for you to build. You can save a little money this way, but you must assemble it yourself. That’s OK if you are a good DIYer, but it will still be hard work.
The best option is to take advantage of 1st Choice’s FREE assembly option on the Diamond and Platinum buildings. They will do all the hard work – all you need to do is build a level base for it to go onto. And they can arrange that for you if you wish.
This way, you can be sure your new building will be built correctly, and all you need to do is enjoy it.
Insulating My Summer Building
To make the most of your new 20×12 building, it’s a good idea to have it lined and insulated for year-round use. Insulation can reduce heat loss by up to 60%, which means your building will stay cooler in summer and warmer in winter. It’s possible to do this yourself if you feel confident.
While there is an option to have this done professionally for you on all the Platinum buildings, it is actually a smart investment. Insulation not only enhances comfort on those hot summer days or cold winter nights, but it also offers long-term savings by reducing future heating costs.
Just contact us, and we will arrange a free quote for you.
This 20×12 Summerhouse Can Be Bespokely Made Just For You
We have a wide range of summerhouse sizes and styles for you to choose from. However, we specialise in making buildings to suit your needs. Whether you need a taller summerhouse, extra or fewer windows, or doors and windows moved, we can do that for you.
Ensure you buy the building that suits you and your family without compromise. Call us on (01483) 237550 or visit our showroom to discuss your needs. We are happy to provide a quote that suits you without pressure.
Can I Have Different Paint Finish On My New Building?
We provide a protective treatment on all our buildings, but why not consider one painted with Sadolin (Diamond Buildings) or Valtti (Platinum Buildings) paint stains.. Both are available in various colours, so you can find a colour that suits you.
Be Careful When Buying A New Building
Before deciding on a new 12×20 summer house for your garden, you should always do your homework (sorry!) as it’s very easy to be taken in by a flashy website leaflet or colour brochure. Try to find time to visit our showroom, where you can see examples on display.
You will then be able to decide what you want to buy. We have a large collection of wooden buildings that you are welcome to view. We will be delighted to show you the different buildings and answer any queries you may have. We can also provide quotations.
Another thing to do is to take a look at the feedback from previous customers, which can be enlightening.
All our 1st Choice summer buildings can be made in sizes that meet your requirements. Just let us know what you would like, and we will quote for you. Don’t settle for second best—you know it makes sense.
These sunrooms can be made with internal partitions and extra doors, creating several different areas: one for leisure, one for storage, and one for the children. The choice is yours.
Why Not Consider An Integrated Shed Or Additional Room With Your Summerhouse?
Our Diamond and Platinum Buildings are available with an extra room to suit you. Whether it’s at the back, the side, or accessed from the front, we can make a summerhouse shed combo for you. Don’t compromise on what you would like to meet your requirements. Contact us NOW to chat through your needs, or visit us to see examples for yourself.
Design Your Bespoke Summer House 20×12 In Size Today
To start work on your bespoke building for your garden, get in touch with us or visit our Surrey showroom today.
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Are These Summerhouses Truly Bespoke To Suit Me?
Whether you need a taller summerhouse, extra or fewer windows, or doors and windows moved, we can do that for you. To start a custom order, simply contact us to discuss your specific needs and preferences.
After we learn what you’re looking for, we’ll share a clear plan and price. Our team will walk you through each step to make things easy. Production and delivery usually take about 6 to 8 weeks, and we’ll keep you posted along the way.
You can count on us to work hard and provide great service as we build the summerhouse you’ve been dreaming of.
Make sure you get the right building for you and your family. Give us a call at (01483) 237550 or stop by our
showroom to talk about what you need. We’re happy to give you a quote with no pressure.
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How Long Does a Summer House Installation Take?
Most buildings are assembled in a single day if your
foundation is prepared before construction, and depending on the project's size. Our team handles the design, preparation, and delivery of all materials off-site to keep things running smoothly. This efficient process lets us install your structure quickly and with minimal disruption.
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How Long Does Delivery Take?
Delivery times change throughout the year, but they are usually between 4 and 8 weeks. For the latest information, please visit our
dedicated delivery page.
If you need your order by a certain date, please contact us. We will do our best to help.
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How Long Will My New Building Last
The durability depends on several factors, including the quality of materials used, the level of maintenance, and exposure to environmental elements.
Proper care and regular maintenance can extend its lifespan, while harsh weather conditions and neglect may shorten it. Ensuring that the structure is well-built and using high-quality materials can also contribute to its longevity.
Regular inspections and prompt repairs as needed will help to prolong the life of your summer room. Pressure-treated timber is also a good option to choose.
You can see some guidelines on
this page.
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Should I View Before Buying?
When considering a purchase, it is advisable to view the product beforehand, as it allows for a firsthand evaluation of its condition and suitability.
Viewing the item can provide valuable insights into its quality, features, and overall appearance, which may not be fully evident through online descriptions or images.
This can help in making an informed decision and potentially prevent any future dissatisfaction with the purchase. Therefore, viewing the product before buying is a prudent step to take to ensure a satisfactory outcome.
Our
showrooms are open seven days a week, and we have
over 60 buildings on display.
From £3399
From £3589
From £3928
From £3928
£13,324 Fully Insulated 12ft x 12ft (Also, sizes up to 20 x 12) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£10,429 Fully Insulated 10ft x 10ft (Also, sizes up to 20 x 10) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£8419 Fully Insulated 8ft x 8ft (Also, sizes up to 20 x 8) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£7,269 Fully Insulated 8ft x 6ft (Also, sizes up to 20 x 6) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£14,304 Insulated 12ft x 12ft (Also, sizes up to 20 x 12) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£11,409 Fully Insulated 10ft x 10ft (Also, sizes up to 20 x 10) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£9,009 Fully Insulated 8ft x 8ft (Also, sizes up to 20 x 8) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£7,859 Fully Insulated 8ft x 6ft (Also, sizes up to 20 x 6) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£13,429 Fully Insulated 12ft x 12ft (Also, sizes up to 20 x 12) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£11,124 Fully Insulated 10ft x 10ft (Also, sizes up to 20 x 10) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£9,019 Fully Insulated 8ft x 8ft (Also, sizes up to 20 x 8) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
£7,849 Fully Insulated 8ft x 6ft (Also, sizes up to 20 x 6) Free Assembly & Delivery* Double Glazed as Standard UNDER 2.5m Tall Choice of Colours UPVC Doors & Windows Apex Roof Option
From £7269
From £7859
From £7869
