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'Diamond' Barnwell Sectional Buildings - Heavy Duty Workshops


Heavy Duty Workshops
  • ALL Sizes Made
  • Pressure Treated Tanalised Option
  • Option to Line & Insulate
  • Redwood timber (not cheap whitewood)
  • Glass Windows (not perspex which scratches)
  • 47 x 47mm (2x2in) Sturdy Vertical framing
  • FREE erection of Sectional Buildings.
  • All Spirit Based cladding treatment
  • Super Minimum 1.94m (76½in) Inside Eaves Height
  • Rust resistant fittings (to prevent ugly rust stains)
  • Fully framed Double Joinery Doors
  • Coach screws construction
  • Timber Bases Built
  • Apex or Pent Styles - Bespoke Design - No Problems
  • FREE Garden Shed Buying Guide
  • Proud to display for you to view

Diamond Apex Heavy Duty Workshops for the Garden
Diamond Heavy Duty Garden Workshops
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Quality - Second to None. Satisfaction - Guaranteed!!

These Diamond Barnwell Wooden Workshops are in the 'Rolls Royce' quality range but NOT in the 'Rolls Royce' price bracket. Clearly one of the better range of sectional workshops available on the market.

To prove this point examine the quality on our display site where you can inspect the impeccable quality of these sectional buildings, from the chunky 2x2 framing, the extra thick redwood deal cladding (NOT cheap whitewood), the superb eaves height and the fantastic super strong double doors.

Most people who view take the decision to view buy one knowing they are buying a superb sectional building. (we believe that you should be able to view the quality of our building and not just rely on a brochure or computer screen, NOTHING beats feeling the product for yourself.)

Diamond Barnwell Massively Strong Double Doors
Substantial Heavy Fully Framed Doors as Standard

Diamond Barnwell Workshop place order Diamond Barnwell Workshop price list Diamond Barnwell Workshop delivery times Diamond Barnwell Workshop help and support area

Erected FREE - saving you time and reducing stress !!

With a range of standard sizes, from 8x6 up to 28x14 (larger sizes available) and the option to make changes to the standard timber heavy duty buildings, such as moving doors and windows etc, normally free of charge, you can be assured these buildings will meet your long term needs.

These quality timber sectional buildings are available with an apex roof or with a pent roof if this meets YOUR needs better.

Alternative Buildings ?? Plantinum Tanalised Workshops or Platinum Garden Studios

Diamond Sectional Buildings
10x10 Sectional Building with Optional extra door


Need Help with Your Base, We can do this for a Small Extra Charge


Click on Size BELOW for Prices & FULL Details or CONTACT us for help

Diamond Barnwell Sectional Buildings - Workshops

Diamond  ® T&G APEX Shiplap Barnwell Sectional Buildings. Redwood Timber. FREE Fitting

Diamond Barnwell Heavy Duty Apex Wood Workshops 8' x 6' 9' x 6' 10' x 6' 11' x 6' 12' x 6' 7' x 7' 8' x 7' 9' x 7' 10' x 7' 11' x 7'
12' x 7' 8' x 8' 9' x 8' 10' x 8' 11' x 8' 12' x 8' 13' x 8' 14' x 8' 15' x 8' 16' x 8'
18' x 8' 20' x 8' 22' x 8' 24' x 8' 26' x 8' 28' x 8' 9' x 9' 10' x 9' 12' x 9' 14' x 9'
16' x 9' 18' x 9' 12' x 10' 14' x 10' 16' x 10' 18' x 10' 20' x 10' 22' x 10' 14' x 12' 16' x 12'
18' x 12' 20' x 12' 22' x 12' 24' x 12' 16' x 14' 18' x 14' 20' x 14' 22' x 14' 24' x 14' 26' x 14'

See the Quality Display for Viewing. ANY size or design available. ALL timber. 2x2 Framing.

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Diamond  ® T&G PENT Shiplap Barnwell Sectional Buildings. Redwood Timber. FREE Fitting

Diamond Barnwell Heavy Duty pent Wood Workshops 8' x 6' 9' x 6' 10' x 6' 11' x 6' 12' x 6' 7' x 7' 8' x 7' 9' x 7' 10' x 7' 11' x 7'
12' x 7' 8' x 8' 9' x 8' 10' x 8' 11' x 8' 12' x 8' 13' x 8' 14' x 8' 15' x 8' 16' x 8'
18' x 8' 20' x 8' 22' x 8' 24' x 8' 26' x 8' 28' x 8' 9' x 9' 10' x 9' 12' x 9' 14' x 9'
16' x 9' 18' x 9' 12' x 10' 14' x 10' 16' x 10' 18' x 10' 20' x 10' 22' x 10' 14' x 12' 16' x 12'
18' x 12' 20' x 12' 22' x 12' 24' x 12' 16' x 14' 18' x 14' 20' x 14' 22' x 14' 24' x 14' 26' x 14'

See the Quality Display for Viewing. ANY size or design available. ALL timber. 2x2 Framing.

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Need Help with Your Base, We can do this for a Small Extra Charge


Diamond Barnwell Heavy Duty Workshops
Sizes: Available in sizes from 6x4 right up to 28x14 and larger. Widths from 4', 5', 6', 7', 8', 9', 10', 11, 12 & 14' but others size can be made so please ask if you need any other size.
Cladding: Clad in 19mm (15mm finished thickness) T&G Shiplap OR 19mm (15mm finished thickness) T&G Loglap at no extra charge, if specified. (Redwood deal not cheap whitewood). Treated externally. Coach screwed construction.
Framing: 50 x 45mm (2" x 2" nominal) as standard. Effectively thicker in corners when erected (about 70 x 45mm)
Style: Normally Apex but available with Pent roof at no extra charge.
Roofs: 16mm (12mm finished thickness) T&G timber (no chipboard, sterling board, OSB board or sheet material) and covered with heavy green mineral roofing felt - as these are unsuitable for outdoor use.)
Floors: Heavy duty ¾" v313 grade moisture resistant particular boarded floor set on 50 x 45mm (2x2 nominal) pressure impregnated joists for long life.
Doors: Fully Framed joinery quality heavy duty Doors as standard. One pair of fully boarded doors hung on two pairs 23" heavy duty door bands, two tower bolts, mortice lock and lever furniture on buildings 8' wide and 8' long and over. A single fully boarded door on the smaller sectional buildings, (workshops less than 8ft wide across the gable end) Beware of doors with NO bracing.
Windows: 3mm clear horticultural glass bedded in clear silicone. (Not cheap scratchable plastic or perspex). At least one opening window, which is top hung with 2 t-hinges and one casement stay, is included as standard. Option for toughened - laminated - wired glass.
Corner Strips: 'Wrap Around' corner strips for extra protection to the end grain of the timber and for a smarter finish.
Height: Internal eaves height 194m (76½in) eaves on all buildings. Ridge height is 229cm (89in). Option for extra height if required. Internal heights NOT external which most firms quote)
Treatment: All sectional buildings are treated externally with a high quality timber preservative.
Nails: These are all rust resistant to ensure long lasting good appearance to your workshop. NO staples are used as these are not suitable for a quality building.
Insulation: Option for lining and insulation for all year round use. Cooler in Summer. Warmer in Winter.
Erection: All our sectional buildings are erected FREE of charge, provided you provide a solid level concrete or paving slab base or timber decked area, or possibly could be built on your timber bearers. Optionally, we have an option for building a timber raft for you. Building are secured using coach screws for ease of taking them down again if you decide to move.
Delivery: There is no charge for delivery within Diamond standard delivery area but they can be delivered in most of England or Wales, outside of the free delivery area, for a surcharge.
Alterations: Any size garden shed or timber building made with extra doors, windows or partitions. If not sure please contact us for your personal quote
Optional Extras: Double or wider doors, extra windows, georgian windows, extra height, partitions, toughened - laminated - wired glass etc - please ask.
Support UK: These Diamond Barnwell Heavy Duty Workshops are made in the UK by experienced craftsmen. Back our British workers.
Buying Guide: FREE Garden Sheds Buying Guide Ensure you make the right decision.
Sizes: Unless specified as finished size then sizes quoted are before machining which reduces the size quoted by about 3mm. BEWARE. Many garden shed manufacturers quote BEFORE machining sizes making them APPEAR larger - don't be fooled.
Diamond Barnwell Workshop place order Diamond Barnwell Workshop price list Diamond Barnwell Workshop delivery times Diamond Barnwell Workshop help and support area

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Sizes Available
8' x 6'
9' x 6'
10' x 6'
12' x 6'
7' x 7'
8' x 7'
9' x 7'
10' x 7'
11' x 7'
12' x 7'
8' x 8'
9' x 8'
10' x 8'
11' x 8'
12' x 8'
13' x 8'
14' x 8'
15' x 8'
16' x 8'
18' x 8'
20' x 8'
24' x 8'
26' x 8'
28' x 8'
9' x 9'
10' x 9'
12' x 9'
14' x 9'
16' x 9'
18' x 9'
12' x 10'
14' x 10'
16' x 10'
18' x 10'
20' x 10'
22' x 10'
14' x 12'
16' x 12'
18' x 12'
20' x 12'
22' x 12'
24' x 12'
16' x 14'
18' x 14'
20' x 14'
22' x 14'
24' x 14'
26' x 14'
All Other Building Sizes
from 6x4 up to 38x14
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Customer Feedback

 I just wanted to say what an absolute pleasure it was to deal with your company. I have overseen the refurbishment of our house which has taken a depressingly long two years.

Luckily, we haven't had to live in it during that time but once the shed arrived - so promptly and easily - we considered moving in there!  

Diamond Deliveries Diamond Garden Sheds Delivery and FREE Erection (Assembly) Area
FREE Delivery & Erection
Delivery & Erection 10%
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Customer Feedback

 Just a note to say that the shed was delivered and erected on Monday as agreed and we are very pleased with it. The customisations - extra opening windows and additional eves height - are great.

Please pass on our thanks to all concerned for a professional service.