Garden Annexe Prices 2026
Our garden annexes are available in a range of sizes and layouts. Below is a clear guide to typical price ranges, based on real builds.
Guest & Studio Annexes
One Bedroom Annexes
Large & Two Bedroom Annexes
Substantial Annexes
Multi-Room Living Spaces
Not sure which annexe is right for you?
Explore layouts, sizes and options to find the perfect fit for your space, lifestyle and budget.
Find Your AnnexeOne Bedroom Annexes
Choose a Garden Annexe That Fits Your Budget
Choose your garden annexe based on your budget.
All prices include kitchen, separate bathroom, VAT, delivery and installation.
Remember to allow for the additional cost of the Site Pack (base, service connections etc).
Request a free site survey, where we can provide a complete turn-key price.
2-Bedroom Granny Annexes, by Price Bracket
Choose your 2-bedroom garden annexe based on your budget.
All prices include kitchen, separate bathroom, VAT, delivery and installation.
Remember to allow for the additional cost of the Site Pack (base, service connections etc).
Request a free site survey, where we can provide a complete turn-key price.
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Small but delightful guest suites are available at this price point
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Several Small Annexes and guest suites are available in this price range
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A good selection of comfortable annexes are available in this price bracket
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Choose from a wide range of annexes in this bracket
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In this price range you have an excellent choice of ideal and large annexes
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Choose from large and substantial annexes in this bracket
2 Bedroom Garden Annexes
Between £60,000 - £70,000
Explore the plentiful annexe options available in this bracket. The Annexxa 745 is a large annexe and remains inexpensive, the exciting XB 635 provides a comfortable annexe for a modest budget, whilst the St George 540 or the Ivyo 630 are both breath-taking. traditionally styled homes.
2-Bedroom Granny Annexes
Between £70,000 - £80,000
In this price range you have an excellent choice of ideal and large annexes, with the XB740 and Ivyo 730 being popular choices
Garden Annexes between
£80,000 - £90,000
In this this price category you can select from several substantial annexes including the St George 745 and the Ivyo 745
2 Bedroom Garden Annexes between
£90,000 - £100,000
In this this price category you can select from several substantial and Multi room annexes annexes including the St George 845 and the Ivyo 930
2 bedroom Garden Annexes at
£100,000 +
In this this price category you can select from several substantial and Multi room annexes annexes including the St George 945 and the Ivyo 945
Frequently Asked Questions
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Prices start from £67,000 for the Annexxa range, with full turnkey projects including kitchen, bathroom, and all finishes. Other ranges start from:
XB: £72,000
St George: £77,000
Ivyo: £79,000
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Larger two-bedroom annexes are available across all ranges. Exact prices depend on size and specification, generally upwards of £120,000, fully finished and installed.
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The Annexxa range, starting from £67,000, offers the most affordable full turnkey garden annex solution.
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Garden annexes are designed for full-time residential use, so they cost more than simple garden rooms, which are usually for occasional use or workspaces.
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Most Garden Annexes are designed to not require planning permission, but a Lawful Development Certificate is recommended to secure legal certainty.
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A well-built, legal annex adds significant living space and versatility, enhancing overall property value.
Granny Annexe Cost & Prices UK: How Much to Build a Garden Annex
Planning a granny annexe starts with understanding the cost. In the UK, granny annexe prices vary based on size, layout, and specification. A self-contained garden annexe typically starts from around £67,000, while larger two-bedroom annexes cost more. Clear pricing helps you compare options and plan with confidence.