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    • The Annex
          • The Annex specialises in permanent living solutions, creating garden houses complete with a kitchen and bathroom. Available in two customisable designs.

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Using our configurator you can design your perfect garden office with minimal effort, ensuring it’s tailored to your own personal preferences and specifications.

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

Go To Configurator product enquiry

Annex 1

Compact classic design

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

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

Sizes and prices are based on internal floor area and include base, installation and VAT
Choose your size from three width options:
5m 7.5m
8m 10.5m
11m 14m



5.0m 5.5m 6.0m 6.5m 7.0m 7.5m
£81,745 £83,745 £85,745 £87,745 £88,995 £90,245
£84,995 £86,995 £88,475 £89,995 £91,475 £92,995
£87,995 £89,745 £91,245 £92,745 £93,995 £95,495
£90,245 £91,745 £94,245 £95,995 £97,495 £98,745
£92,245 £94,245 £96,245 £98,245 £100,245 £102,245
8.0m 8.5m 9.0m 9.5m 10.0m 10.5m
£91,995 £93,495 £94,995 £96,495 £97,995 £98,745
£94,495 £95,745 £96,995 £98,995 £100,995 £102,995
£97,245 £98,745 £100,245 £102,995 £104,745 £106,495
£100,495 £102,495 £104,495 £106,495 £108,245 £109,995
£104,245 106,245 £107,995 £109,995 £111,995
11.0m 11.5m 12.0m 12.5m 13.0m 13.5m 14.0m
£99,995 £101,495 £102,745 £104,745 £106,495 £108,245 £109,245
£104,745 £106,495 £107,745 £108,745 £109,745 £110,745 £111,745
£108,245 £109,995 £111,495 £112,995      

Product Features

The Annex offers the ultimate solution for extra space at home or for your business, so we make sure the price of your annex includes a variety of options and services. We supply and fit a host of the highest quality appliances as standard alongside an unrivalled end-to-end service solution, which includes full management of planning permission.

All sizes and prices include VAT. Also included: kitchen, bathroom and electric options, a 2.3m French door, a rectangular and a lozenge window, foundations, levelling,
electrical and plumbing connection planning permission, and building control sign off.

A turn-key solution you can trust

Transparent pricing, Quality as standard

We understand that purchasing a garden annexe is a huge investment, which is why we do the hard work for you. Exceptional customer service and quality is in our DNA. We’ve painstakingly perfected our process over more than a decade of constructing rooms in the garden.

From our specialist planning consultant, to our British handcrafted Sheraton kitchens, we ensure that every element of your journey with us at The Annex is looked after.

Ready to get started?

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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At The Annex we believe in keeping things simple. We’ve compiled answers to the most frequently asked questions about our garden annexes.