Kevin McCloud
Brand Ambassador for Green Retreats

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Annex 1

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Annex 1 Garden Room

Compact Classic Design

The Annex 1 is the perfect living space addition to any home.

Featuring a single deck step and small overhang to the front, this annex is designed to give you maximum internal space compared with the external area the annex takes up.

product enquiry

Annex 1 Pricing

Sizes and prices are based on internal floor area and include base, installation and VAT
Choose your size from two width options:
5m 7.5m
8m 10.5m
11m 14m
D W
3.0m
3.5m
4.0m
4.5m
5.0m

More

More

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5.0m5.5m6.0m6.5m7.0m7.5m
£71,745£73,745£75,745£77,745£78,995£80,245
£74,995£76,995£78,475£79,995£81,475£82,995
£77,995£79,745£81,245£82,745£83,995£85,495
£80,245£81,745£84,245£85,995£87,495£88,745
£82,245£84,245£86,245£88,245£90,245£92,245
8.0m8.5m9.0m9.5m10.0m10.5m
£81,995£83,495£84,995£86,495£87,995£88,745
£84,495£85,745£86,995£88,995£90,995£92,995
£87,245£88,745£90,245£92,995£94,745£96,495
£90,495£92,495£94,495£96,495£98,245£99,995
£94,245£96,245£97,995£99,995£101,995
11.0m11.5m12.0m12.5m13.0m13.5m14.0m
£89,995£91,495£92,745£94,745£96,495£98,245£99,245
£94,745£96,495£97,745£98,745£99,745£100,745£101,745
£98,245£99,995£101,495£102,995   
£101,245      
       
Prices Include:
  • Kitchen Options
  • Bathroom Options
  • Full Electrics & Connection
  • Planning Permission
  • Building Control Approval
  • Foundations & Drainage
  • Professional Installation
  • Painting & Plastering
  • Internal & External Lighting
  • 2.3m French Doors
  • Lozenge & Escape Window
  • Redwood Cladding
About Our Transparent Pricing:

To ‘make it easy’ for our customers, we make sure to include all of the essentials as part of our listed prices. From our specialist planning consultant to our handcrafted Sheraton kitchens, we ensure that every element of your annex journey is covered in the price, making the process simple and enjoyable.

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 bi-fold doors, air-conditioning, extra partition walls and much more…

View Our Range of Building Options…

Spread the cost of your annex with our finance options
  • 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

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

Visit Our Showroom

We now have 2 showrooms! Our Westcott showroom is the largest of its kind, showcasing 17 buildings models, all varying in use and purpose. This includes Green Retreats, The Garden Office and The Annex Range. Our new Twickenham showroom showcases our 3 most popular building models and acts as a ‘hub’ closer to our London based customers.

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

Our Showrooms

What makes us unique?

Delivery & Installation
Kitchen & Bathroom Included
Foundations Included
Full Sign Off
Full-Time Living Solution
Zero Maintenance
Fully Insulated
10 Year Guarantee
Customer Reviews

You Can Trust

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

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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