Pressure Treated Sheds

High spec sheds at great value prices.

  • Floor Included, Unlike Some Competitors
  • High Quality Locks
  • 4mm Toughened Glass, Not Styrene!
  • Internally Beaded Windows
  • 10-Year Pressure Treated Timber Guarantee
  • All Spruce (Not Cheap Pine or Mixed Timbers)
  • Pressure Treated, Not Dip-Treated!
  • 12mm or 15mm Tongue and Groove Walls, Roof and Floor

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Garden Shed Garden Shed
Responsibly Sourced Timbers Responsibly Sourced Timber
Experienced Garden Buildings Company 30 Years Experience
10 year pressure treated timber guarantee 10 Year Guarantee*
Free delivery on most orders Free Delivery on Most Orders
UK based Company UK Based Company

Pressure Treated Sheds

If you’re after a pressure treated shed that’s built to last, you’ve come to the right place. All of our sheds are pressure treated for longevity! Protecting your shed from rot and infestation. What’s more, our pressure treated timbers are guaranteed for 10 years! This season upgrade your outdoor storage with our Pressure-Treated Sheds Sale! Enjoy 35% off on all models, built for maximum durability and weather resistance. These sheds are designed to withstand the elements while keeping your garden tools and outdoor essentials safe and organised.

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Only 25% Deposit is needed for Dunster House Online Orders

Pressure Treated Sheds

If you’re after a pressure treated shed that’s built to last, you’ve come to the right place. All of our sheds are pressure treated for longevity! Protecting your shed from rot and infestation. What’s more, our pressure treated timbers are guaranteed for 10 years! This season upgrade your outdoor storage with our Pressure-Treated Sheds Sale! Enjoy 35% off on all models, built for maximum durability and weather resistance. These sheds are designed to withstand the elements while keeping your garden tools and outdoor essentials safe and organised.

Showing 25-36 of 86 products
Overlord Modular Apex Shed
January Sale
Overlord Modular Apex Shed With Window
W4' x D6' / W1.2m x D1.8m
Wall Thickness: 12mm Tongue & Groove
From £689.99 £1,059.99
Save £370
Overlord Modular Apex Shed
January Sale
Overlord Modular Apex Shed With Window
W8' x D8' / W2.4m x D2.4m
Wall Thickness: 15mm Tongue & Groove

1 review

From £1,304.99 £1,978.99
Save £674
Overlord Modular Pent Shed
January Sale
Overlord Modular Pent Shed With Window
W6' x D4' / W1.8m x D1.2m
Wall Thickness: 15mm Tongue & Groove

2 reviews

From £804.99 £1,226.99
Save £422
Overlord Modular Pent Shed
January Sale
Overlord Modular Pent Shed With Window
W10' x D6' / W3m x D1.8m
Wall Thickness: 15mm Tongue & Groove

11 reviews

From £1,154.99 £1,686.99
Save £532
Overlord Modular Pent Shed
January Sale
Overlord Modular Pent Shed With Window
W6' x D8' / W1.8m x D2.4m
Wall Thickness: 15mm Tongue & Groove

4 reviews

From £1,094.99 £1,693.99
Save £599
Overlord Modular Pent Shed
January Sale
Overlord Modular Pent Shed With Window
W10' x D8' / W3m x D2.4m
Wall Thickness: 15mm Tongue & Groove
From £1,514.99 £2,361.99
Save £847
Overlord Modular Reverse Apex Shed
January Sale
Overlord Modular Reverse Apex Shed With Window
W6' x D8' / W1.8m x D2.4m
Wall Thickness: 12mm Tongue & Groove
From £859.99 £1,319.99
Save £460
Overlord Modular Reverse Apex Shed
January Sale
Overlord Modular Reverse Apex Shed With Window
W4' x D4' / W1.2m x D1.2m
Wall Thickness: 12mm Tongue & Groove
From £524.99 £804.99
Save £280
Overlord Modular Reverse Apex Shed
January Sale
Overlord Modular Reverse Apex Shed With Window
W6' x D6' / W1.8m x D1.8m
Wall Thickness: 15mm Tongue & Groove
From £934.99 £1,331.99
Save £397
Overlord Modular Reverse Apex Shed
January Sale
Overlord Modular Reverse Apex Shed With Window
W8' x D8' / W2.4m x D2.4m
Wall Thickness: 15mm Tongue & Groove
From £1,304.99 £1,978.99
Save £674
Overlord Modular Reverse Apex Shed
January Sale
Overlord Modular Reverse Apex Shed With Window
W6' x D4' / W1.8m x D1.2m
Wall Thickness: 12mm Tongue & Groove
From £689.99 £1,059.99
Save £370
Overlord Modular Reverse Pent Shed
January Sale
Overlord Modular Reverse Pent Shed With Window
W8' x D6' / W2.4m x D1.8m
Wall Thickness: 15mm Tongue & Groove
From £1,094.99 £1,693.99
Save £599
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Showing 25-36 of 86 products
Only 25% Deposit is needed for online orders at Dunster House
Garden sheds

DIY Friendly Sheds with Unmatched Features

From responsibly sourced slow-grown Spruce timber, 4mm toughened glass windows (instead of cheap styrene), tamper-proof hinges and timber that is meticulously pressure treated unlike many competitor sheds which are simply dip-treated, a Dunster House shed is ideal for anyone that is looking for a quality shed and great value for money.

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Simple DIY Construction

DIY Friendly Pressure Treated Sheds – Quick Build Panel System

The only work that should take up your time is your job, not building a shed. Due to this belief we endeavoured to design a system to make your DIY build as simple as possible – the panel system. So enjoy a quality shed with a 35mm x 35mm solid frame supporting thick tongue and grove walls, floor and roof. Don’t delay to your time off and get your overlord pressure treated shed now.