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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

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Stunning garden annexes that

Bring the family together

At The Annex we specialise in creating beautifully crafted, self-contained garden annexes that add value to both your home and lifestyle.

We pride ourselves in providing quality at every stage. From design and planning to building and aftercare, The Annex provides a remarkable service and exceptional product that is second to none.

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Annex 1

Compact classic design

Our Annex 1 design combines contemporary vertical cladding with classic compact styling. Perfect for maximising space in the garden, the Annex 1 gives you maximum internal space without compromising on looks.

See The Annex 1

Annex 2

Modern contemporary styling

Our Annex 2 range is designed to look as good from the outside as it does from within. Wraparound glass corners, a composite deck step and a stylish overhang make this one of our most popular designs ever.

See The Annex 2

Customer Reviews You Can Trust

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

Transparent pricing, Quality as standard
A turn key solution you can trust

Transparent pricing, Quality as standard

We understand that an annex 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 annex journey is looked after. What’s more, it’s included as standard.

Our Process

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We project manage the whole process

Our annexes come with everything you need to live in your garden annex in comfort.

Building Regulations

Every one of our garden annexes is fully signed off and built to building regulations. Warm, safe and total peace of mind for your annex.


No need to find your own electrician because we’ve got it covered. Lighting, heating and 20 meters of connection come as standard.


We include 10m of water and soil connection as standard. We install soft close toilet seats, low profile shower trays and Aqualisa showers in every annex.

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Planning Permission

Your own specialist annex planning consultant, as standard. Planning permission is included in the cost of our garden annexes.