Kevin McCloud
Brand Ambassador for Green Retreats

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TGO3 Garden Room

Sharply Modern

The TGO3 design is bold and modern with its three quarter surrounding sqaured hood, edge and decking. This enclosed feature is highlighted by the use of graphite or black accents.

product enquiry

TGO3 Pricing

Sizes and prices are based on internal floor area and include base, installation and VAT
Choose your size from two width options:
2.5m 5.5m
6m 10m


2.5m 3.0m 3.5m 4.0m 4.5m 5.0m 5.5m
£21,295 £22,545 £23,195 £23,995 £25,795 £26,495 £27,245
£22,545 £23,195 £24,645 £25,145 £26,195 £27,245 £28,595
£23,195 £24,645 £25,445 £26,495 £27,995 £29,145 £30,195
£23,995 £25,145 £26,195 £27,995 £29,645 £30,995 £32,295
£25,795 £26,495 £27,995 £29,645 £31,495 £32,845 £33,945
£26,495 £27,245 £29,395 £30,995 £32,845 £34,195 £36,595
6.0m 6.5m 7.0m 7.5m 8.0m 8.5m 9.0m 9.5m 10.0m
£27,845 £29,145 £29,795 £30,745 £31,245 £32,595 £33,145 £34,195 £35,295
£29,645 £30,595 £31,795 £32,595 £33,395 £35,245 £35,995 £36,995 £38,645
£31,795 £32,845 £33,595 £35,795 £37,395 £38,695
£33,345 £35,495 £36,545 £38,695
£36,295 £37,895
Prices Include:
  • Professional installation
  • 2.3m French or sliding door
  • Premium grade insulation
  • Three double sockets
  • Heating
  • A choice of flooring options
  • Melamine wall finish
  • Internal lighting
  • Redwood cladding
  • Foundations
  • Opening lozenge window
  • External lighting
  • Corner window
About Our Transparent Pricing:

Every listed price of our buildings comes with all of the ‘essentials’ as listed above. The only other costs to consider are electrical connection, which we can quote for during your free design consultation, and delivery charges to within mainland UK – which is free if you should live within 100 miles of our Buckinghamshire factory (HP18 0XB).

Optional Upgrades to Make it Yours:

There is also the option to upgrade and add other items to ‘make it yours’. Choose from a range of options including alternative cladding styles, bi-fold doors, air-conditioning and much more…

View Our Design Options & Upgrades >

Spread the cost of your building with our Finance Options



There’s nothing like seeing our building styles, materials and quality in person! Make a visit to one of our two all-weather garden room showrooms.

Our Westcott showroom is the largest of its kind, showcasing 17 buildings models, all varying in use and purpose.

Our ‘hub’ showroom in Twickenham, London showcases our 3 most popular building models in a convenient high street location.

Open 7 days a week, you can drop in whenever you please – with no appointments needed!

Our Showrooms

Design Your Building

Start creating your ideal garden room today using our online design tool. Discover and explore the range of styles, sizes, finishes we have available; plus get an accurate cost as you design.

See your garden building ideas come to life on screen, then save your design to come back and view or edit again at any time.

Also compatible with mobile and tablet devices

Go to Design Tool

  • Select your preference of which type of consultation you would prefer to start with, using the tick boxes below, and we will be in touch to arrange a suitable date and time:
  • Manually Enter Address
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What makes us unique?

Professional Installation Included
Built close to obstacles & Boundaries
Foundations Included
Planning Permission Rarely Required
Double Glazing as Standard
Zero Maintenance Design
Fully Insulated & Heating Included
10 Year Guarantee

Real Case Studies

Take a look at case studies that feature a TGO3 building design:

Customer Reviews

You Can Trust

Take a look at our many positive Trustpilot reviews to see why our customers rate us 5 stars.


Building Measurements

You can get a great idea of how your new garden office will look by using the 360 degree rotating viewer.

Also compatible with mobile and tablet devices

Building Enquiry

Design Your Building

Start designing your garden room today using our online Visualiser tool. You’ll be able to choose your style, size, finishes and get an accurate cost.

Design Your Building