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Insulated Garden Buildings, made to last!

Products and Finishes

Bespoke Garden Room by The Green RoomOur insulated garden rooms provide you with a modern and attractive outdoor space. We offer a full range of highly insulated garden rooms, offices and granny annexe garden homes. Garden buildings that are manufactured in the UK to the highest quality. They make an ideal alternative to a brick extension. Thus, creating a warm, comfortable, usable space at the bottom of your garden. Furthermore, with no mess in the home you’ll have a functional, low maintenance garden room in a few short days, what’s not to like!



Insulated garden room used for a home business

What makes our garden building’s so unique?

The answer is choice.

Not only do we offer a wide range of products and finshes as standard. But, also included is many extra features too. Such as external lighting and an outside socket. Connection to your home and part p electric certification. In addition, the quality heaters we use provide warmth and comfort all year round.

But most of all is, it’s Your Choice – The size, the colour, the finish and use!

Insulated Garden Rooms

To suit all budgets and needs we offer a multi-purpose garden room or garden studio which can also be used as a garden office. These garden buildings are fully insulated and designed for all year use. Therefore, creating extra space for work or leisure and because our prices for these rooms are all inclusive there is no extra cost to you. All we ask is you have a clear open space ready for your perfect garden room to be installed. Furthermore, there are many products we offer as standard in our prices that other companies don’t – Hence, no costly additions! Need inspiration view our gallery or read our blog on the top 6 uses for a garden room.

Garden Buildings Art Room
Garden Buildings – Art Room

Garden Room Specification

  • Glazed frontage with one door
  • 2.5m external height to avoid planning issues
  • Specialised screw pile foundations
  • PVCu toughened A rated double glazed windows and doors
  • Floor, walls and roof – SIPS (Structurally Insulated Panels)
  • LABC Approved
  • Internal electrics
  • Plastered and skimmed walls
  • Internal vapour barrier
  • External breathable membrane with ventilation system
  • Insurance recognised security locking system
  • Haverland Designer RC Wave RC7W slimline digital electric radiator
  • Wide range of waterproof floor finishes
  • Firestone seamless rubber roof covering with a gravel topcoat
  • Guttering and down-pipe to rear
  • Various choices of maintenance free cladding
  • Stainless steel double sockets, USB sockets and dimmable LED down lights
  • External LED wall lights
  • Double external wall socket
  • Consumer unit
  • Electrical connection to house – within 30m of the house
  • Delivery and Installation (UK mainland only)
  • 10 year insurance backed guarantee

Garden Buildings Planning Permission

Manufacturing our garden buildings to an external height of 2.5m. Often allows us to avoid the need for planning permission. Although, there are a few exceptions to this: if your home is in a world heritage site or a national park. An area of outstanding beauty or if your proposed project includes sleeping accommodation. If your garden building does need planning permission. We will act as your agent and prepare all the necessary paperwork and drawings.  We will also submit the application on your behalf and attend to any queries that may arise. For further information on planning permission please see our FAQs page.

For more information about our Garden Annexe range please visit our Granny Annexe page. Finally, at The Green Room we build stunning bespoke garden rooms and we are proud of our reputation. Constructed to the highest standard but offered at affordable prices. So, if you would like to discuss your project or need further information. Please feel free to contact us as we’re here to help.


Garden Building Construction

To protect your investment and to add value to your home we only use the best products available to build our garden rooms. Which are carefully selected for their strength and durability.


The Green Room Garden Room Leicestershire 5We design and supply one of the most advanced systems available today. Structural insulated panels (SIPs), is a fast track and cost effective building solution. They are tailored to your needs for all sizes of garden annexe, garden rooms and garden studios. With ever increasing and constantly changing Building Regulations that call for greater U values and air tightness. We have found the SIPs construction method is a modern solution to meet these ever increasing demands. Also, it is a Local Authority Building Control (LABC) approved building system. So, if you are looking for a leading UK based structural insulated panels supplier. Look no further, here at The Green Room, one of our expert advisers will be happy to answer your queries. Alternatively, feel free to browse our website which is full of information on our versatile range of garden rooms. Whether required for appearance, environmental impact, cost, space or speed of build, rest assured The Green Room can tailor our structural insulated panels to meet your needs.

Fascia, Soffit and Corner Posts

  • Fascia, soffit and trims are manufactured using embossed galvanised steel, aluminium and PVC profiles.
  • We use high quality PVCu windows and doors offering the best in glazing fitted with 28mm A rated Argon gas-filled sealed units.
  • Fibre Cement and PVC wood grain embossed wall cladding offer a long life and maintenance free alternative to traditional finishes.
  • The RubberCover EPDM roof covering is seamless and therefore offers a watertight and durable roofing system with a life expectancy of up to 50 years. In addition, to further increase the life expectancy, fire resistance and improve the look of your garden room we add a gravel finishing topcoat.

Garden Office with anthracite grey fascia and window frames with embossed graphite wall cladding.

The Green Room simply offers more choice!

Click on the tabs above to see the many finishes and colour choices that are available to you. Alternatively, see our price guide page.

Garden Office in grey Garden Room with view of sea Garden room LightingThe Green Room Granny Annexe Grantham