Composite Garden Sheds
Sizes from 6ft x 6ft to 24ft x 12ft
Our premium quality insulated composite garden sheds offer an secure, damp and moist free outdoor storage space for your valuable possessions.
Fully insulated floor, roof and walls complete with a breathable vapour membrane wrap, and a dark grey (anthracite) PVCu single door complete with insurance approved locks.
Store your valuable bicycles, electric cycles, motorcycles, lawnmowers, garden and DIY tools without worrying about deterioration, rot, rust and easy theft.
Choose from a variety of different sizes external clad in either Fibre Cement Board, Smooth or Woodgrain Composite Wood in a range of 8 different colours.
Sale Price
£4,688
Special Offer
5% Discount + eight FREE upgrades – On all orders placed before 30th December 2025
Features
Your Composite Garden Shed includes
Full on-site installation
Choice of external cladding
Concrete & steel pile foundations
Fully insulated to building regulations
Luxury plastered interior
High-quality flooring
Free UK Scotland Delivery
Electrics package
Anthracite PVCu windows and doors
A-rated double glazing
10-year structural guarantee
145mm thick five-layer roof
* Available on rooms without render or stone exteriors
Special Offer
Eight FREE upgrades
FREE Antracite (dark grey) composite decking to the entire front of the building
FREE Upgrade to Knauf acoustic slab insulation in all walls and floor
FREE 2000W White Glass Electric Heater c\w Thermostat Control
FREE External waterproof IP66 RCD double electrical socket
FREE Brushed aluminium external up/down LED lights (x2)
FREE Upgrade to 4 x aluminium double electrical sockets & 1 x light switch
FREE 100 litre water butt complete with water filter, tap, lid & stand
FREE - Canopy LED downlights (Canopy & Concave Models)
On all orders placed before 30th December 2025
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Why Choose A Composite Garden Shed?
At Atelier we’re proud of our great reputation, one that has been earned through years of building garden Sheds and studios that delight their owners. Attention to detail is vital.
- Insulated Garden Sheds
- Extra space for work or leisure
- Manufactured to the highest standards
- Fantastically energy efficient
- Designed to breathe
- The ideal exterior timber cladding
- Customisable to your needs
- Expert on-site installation
- Fully transparent
- Quality guaranteed
- Workout with a view
Our Lifestyles and Storage Requirements Have Changed!
Gardens sheds haven’t really evolved a great deal over the last 50-60 years. A typical timber garden shed purchased over half a century ago is still purchased by many people today. A cheap timber garden shed used to be suitable for you grandparents to store a few gardens tool, pots, plant pots and unused chemicals and paints. Unlike the past today ‘s houses are smaller with a lot less storage space even though most people own a lot more valuable items and equipment. However, as our lifestyles and storage uses have changed so has the need for a high quality, fully insulated and secure garden shed.
The Cheap Garden Shed Route
Yes, we know that the purchasing cost can be a deciding issue when buying a garden shed with most thinking a cheap garden shed will satisfy most their requirements. Those people who have been down the cheap shed route soon realise the pitfalls of owing a cheap garden shed. It looks nice once it is erected and you soon fill it up with your expensive items only to find that the garden shed and its contents will deteriorate quicky over a short period of time. Leaks will emerge in harsh weather, cold weather will cause damp and condensation, rodents and insects will find gaps to enter the structure. A typical flimsy garden shed is easy to break into without much noise making it a good target for thieves. Although the garden shed will have initially been cheap to purchase over time you soon realise it would have been better to initially purchase a quality secure insulated composite garden shed in the first instance.
Superior Quality Garden Shed Construction
A typical garden shed costing under one thousand pounds will be delivered for you to assemble and will be constructed of 8mm – 13mm flimsy timber panels, a thin wooden door and a roll of roof felt. An Oeco garden shed is a substantial timber frame construction consisting of 130mm (over 5 inches) timber walls, 118mm (just under 5 inches) timber floor together with structural steel lined interlocking insulated roof panels and a high security PVCu door. An Oeco garden shed is actually constructed better than most companies garden rooms and garden offices. A superior quality garden shed construction will ensure a long service life and together with the high-performance breathable membrane and insulation will protect your contents from all the elements.
The Importance of An Insulated Garden Shed
Apart from the construction of a garden shed we cannot stress the importance of using insulation in the construction of a garden shed. It may seem surprising but even though we live in the UK (where the weather is cool, rainy and infrequent high temperatures) 99% of all garden sheds manufactured and supplied come with absolutely no insulation whatsoever! Inclement weather, rain, frosts, temperature changes including freezing and thawing all cause the contents and belongings inside a typical cheap shed to deteriorate and rust over time. Without proper insulation damp and condensation will accumulate and deteriorate everything inside. A properly constructed and insulated Atelier composite garden shed with its inbuilt high performance breathable membrane will protect all your contents from rot, rust, damp and condensation. Good insulation and the addition of a water repellent breathable membrane is directly correlated with the garden sheds longevity. Atelier are so confident that our sheds will stand the test of time that’s why we include a 5-year structural guarantee with every Atelier composite garden shed.
PVCu High Security Garden Shed Door
Most people do not make much attempt to secure a garden shed and simply secure the door with a padlock with a clasp simply screwed into the door frame. Unfortunately, with a weak timber frame around the shed door it only takes a few seconds to simply prise the padlock hinge and screws off the door and gain entry. With every Atelier composite garden shed you will find a house standard dark grey (anthracite) single PVCu door. The PVCu door offers the highest level of security and includes a five-lever mortice deadlock and security bolts that lock into the door frame when the door is closed and locked. You can rest assured that all your Atelier garden shed will be safe and secure.
Gain Extra Space & Protect Your Valuable Possessions!
If you are running out of space and finding it difficult to store your valuable possessions safely and securely the best solution is an Atelier composite garden shed. You can easily store: Lawnmowers and gardening tools, power tools, exercise equipment, children ‘s toys, garden furniture and cushions (without going mouldy!) BBQ ‘s, sports gear, camping gear, golfing equipment, audio equipment for parties and anything else which is valuable and taking space up in the house.
Free Delivery & On-Site Installation
To save you time and ease the stress of building a garden shed yourself we delivery and install your Atelier composite garden shed in your garden. Our installation staff will take care of the installation and will leave the site clean and tidy and your new Atelier composite garden shed will ready for immediate for use. Our garden sheds are part prefabricated in our workshops and installation on-site is usually completed in a day or two.
Please Note: Free delivery and on-site installation is within 100 miles of our head office. An additional charge will be applicable to areas outside the 100-mile radius.