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How We Build

There is no substitute for premium. All Rooms To Grow building materials are premium grade and from UK leading manufacturers.​

Nothing gives peace of mind more than quality products, accredited craftsmen and a 10-year warranty.

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How It Comes Together

We always build within regulations, and our building standards are above requirements. Click below to see the details for each stage of our build process.

For any more details, get in touch, and a friendly member of our team will be happy to dive into the nitty-gritty. Our Rooms have customisable options, so we are sure we can tailor the build to suit your needs.

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Foundations: Ground Screws
Timber Frame, Base & Insulation
Roofing Structure and Covering
Electrics & Heating
Plastering, Decoration & Flooring
garden room, highland design


Peace of mind, accredited and first-class service


All our garden rooms are built to such high quality. We not only offer a 10-year structural guarantee, but we are also an approved member of the CPA. The CPA is a national organisation that has been protecting consumers for over twenty years and is recognised as the number one organisation for protecting property owners when they make a major home improvement purchase. Only companies that can demonstrate best-practice; high-levels of craftsmanship; and a history of first-class customer service are accepted to join the organisation, following a rigorous vetting process. 

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Electrics & Heating

All-inclusive, premium as standard and fully certified

All Rooms To Grow garden rooms are inclusive of a full electrical and heating package. We provide full, flush, spotlight coverage internally with the same externally in a canopy if your build has one. Minimum of four flush double sockets, a consumer unit and full electrical connection to your home. Your room will be heated by a remote heater correctly sized for your room. There are other lighting and heating options available.

garden room cgi, richmond design


Locally milled, low maintenance & non-combustible

Our premium cladding options in both wood and composite provide protection against moisture, rot, UV light, insect and fungal attack. We use locally milled Western Red Cedar as it holds a natural resistance to the elements. We further extended the protection by coating the Cedar in specialist oil. Our cement-based composite cladding boards, ‘Cedral and Hardieplank’ frequently used on house building, are available in a vast range of colours. Composite cladding is non-combustible with certified fire ratings allowing outbuildings to built closer to boundaries.


Foundations: Ground Screw

Quicker, cleaner and greener

We use only premium First Base ground screws. Ground screws have a minimal environmental impact and can be installed all year round and in any condition. In a matter of hours, you have strong, level and lasting foundations ready to build on. Ground screws require no digging or mud removal and eliminate garden disturbance and mess. Ground screws can be sited closer to boundaries allowing full maximisation of space.

Garden room cgi, marlborough design

Timber frame, base and insulation construction:

Bespoke, handcrafted and versatile

Timber frame construction provides the versatility to build unique designs and utilise challenging spaces without limitation. Timber frames built on-site by our craftsmen allows customers to have the flexibility for any decision changes. Our quality rooms are insulated in the floors, walls and roof with industry-leading insulation boards. Ventilation is provided through the floor and roof construction and the Tyveck house wrap breather membrane that controls the moisture within the building. Leaving your garden warm in the winter and cooler in the summer months.

garden room cgi, highland design

Roofing structure and covering:

Efficient, optimal and longevity

As standard, our garden rooms come with a flat but inclined roof for water disbursement. The roof structure is constructed of several layers. Timber rafters, insulation boards, 18mm t&g OSB,  and premium brand EPDM rubber.

garden room cgi, hazel design

Plastering, decoration and flooring

Homely, efficient and expertly finished

All our rooms are plasterboarded, plastered and painted to finish as standard. Complete with painted skirting boards and architrave if required. Premium waterproof oak laminate flooring in an array of colours and textures to choose from is laid throughout. Alternative flooring can be catered for if required.

Build Your Room

Get in touch with us to go through your specific needs and wants, or use our online Rooms to Grow planner and build what you want your dream Room to look like, windows and all!

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View Case Studies

Dive into our Case Studies and witness the bespoke designs that have brought joy and functionality to our clients' homes.

case studies
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