One Bedroom Granny Annexe
One bedroom granny annexe designs provide fully self-contained living space within your garden, ideal for family members, guests or independent living. Our one bedroom granny annexes are designed for UK gardens and include a bedroom, bathroom, kitchen and living area, all available in a range of sizes and layouts.
Self Contained Garden Annexe Designs (UK)
All models shown below are fully self contained garden annexe UK designs, suitable for year-round living. Each annexe is insulated, serviced and built to meet current UK building standards.
1 Bedroom Granny Annexe Floor Plans
Our 1 bedroom granny annexe floor plans are designed to suit a wide range of garden sizes and layouts. Designs vary by model and typically include a separate bedroom, bathroom and open-plan living area. Individual floor plans are available to view on each product page.
Narrow & Small Granny Annexe Options
For limited garden space, we offer narrow granny annexe floor plans and small granny annexe designs that prioritise efficient layouts and usable internal space. These options are well suited to side-access plots, urban gardens and tighter boundaries.
Minimum Size for a Granny Annexe
The minimum size for a granny annexe depends on the layout, intended use and local planning guidance. One bedroom designs generally require enough space to comfortably accommodate a bedroom, bathroom and living area, even within compact footprints.
Is a One Bedroom Granny Annexe Right for Your Garden?
A one bedroom granny annexe is suitable for most residential gardens, provided there is sufficient space, access and compliance with planning requirements. It offers flexible accommodation for family members, guests or independent living while remaining within the main property boundary.
Frequently Asked Questions
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The cost to build a 1 bed annexe depends on its size, layout, specification and site conditions. One bedroom granny annexes typically vary in price based on internal floor area, level of finish and any required groundworks. Clear pricing for each one bedroom model is shown on this page.
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The size of a granny annexe should be large enough to comfortably accommodate a bedroom, bathroom and living area. For a one bedroom layout, this typically means allowing sufficient space for independent living while remaining proportionate to the garden and compliant with local planning guidance.
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Some granny annexes can be built under permitted development, while others require planning permission. This depends on factors such as size, height, location and how the annexe will be used. Planning requirements can vary by local authority, so it is always important to check before building.
Contact Us
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Phone Us
Just give us a call to raise any questions. We’ll be happy to help and can offer you some impartial advice and guidance. Call us on 0800 368 9781 or 01284 636424. Or click the link below.
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Email Us
Please do drop us a line and we’ll be happy to help and offer impartial advice. We understand that you may need help and advice on aspects of your requirements and we’re here to help.
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Visit our Display Area
Our Display Area is fully open - so please do pop along and visit us. Located adjacent to our factory near Bury St Edmunds, the display is open by appointment, so please contact us first.
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Arrange Site Survey
We’re delighted to offer you a friendly, helpful technical survey of your garden. We will provide you with a full, detailed and fixed price quotation for your Garden Annexe.
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Request Brochure
Request our lovely new 2024 Brochure and Price List.
It includes details of the Ivyo, Annexxa, XB and St George Ranges as well as sizes and technical information.