Granny Annexe Buildings
If you're considering creating a self-contained granny annexe in your garden, you’re in the right place to explore the work of leading annexe specialists. The articles below showcase a variety of projects, each tailored to meet the client’s living requirements, budget, and available garden space. These annexes provide an ideal solution for allowing an older relative to live close to family while maintaining their privacy and independence. Some projects were built with Full Planning Permission and Building Regulations, while others were designed to comply with Caravan Act rules.
Our website includes a dedicated section on self-contained garden bedrooms and living annexes, where we feature projects organised by size and layout.
Explore by Size
We also recommend using our search tool to find companies that build the type of annexe you’re looking for in your part of the UK, as some of the companies featured here operate within specific regions.
See Which Granny Annexe Specialists Work in Your Part of the UK
Granny Annexe Examples
The articles are listed with the most recently published first, so use the pagination to explore the full range of ideas and designs.
A Room in the Garden Designed to Fit an Angled Plot
A Room in the Garden has created a bespoke garden room that follows the angled boundaries of this plot, maximising every inch of space. The made-to-measure design combines a home office, gym, and guest room, with impressive architectural detailing.
Garden Living Annexes by Green Retreats
Green Retreats has introduced a signature range of garden living annexes designed for relatives of all ages. Choose from The Den, The Nest, or The Hide — each tailored for comfort, style, and year-round living under the Caravan Act or full planning.
Booths Garden Annexes Explain the Caravan Act
Booths Garden Annexes have released a helpful video explaining how their granny annexe buildings comply with the Caravan Act, outlining who can live in them, the size and mobility requirements, and how their insulated designs meet the criteria for lawful mobile homes.
Family Annexe and Weekend Retreat by Timeless Garden Rooms
This one-bedroom annexe by Timeless Garden Rooms serves as a family retreat and guest accommodation with a cinema room. Featuring vaulted ceilings, a Farrow & Ball finish, and full Building Regulations approval, it’s a comfortable year-round living space built to modern house standards.
Flexible Multi-Purpose Garden Annexe in Sheffield
Heritage Garden Studios designed and built this 8m x 4.5m garden annexe in Sheffield. With SIPs construction, Millboard cladding, a stylish kitchenette, shower room, and bi-fold doors, it’s a comfortable year-round space for flexible use.
Buy a Second Hand Booths Garden Annexe
Booths Garden Annexes offer second hand living annexes that comply with the Caravan Act. With significant savings compared to new, and installation by the Booths team included, these annexes provide a cost-effective way to create a comfortable home.
Beach Hut Annexe by Timeless Garden Rooms
Timeless Garden Rooms replaced an ageing coastal chalet with a 30sqm fully insulated annexe. Finished with reclaimed interiors and traditional detailing, the beach hut-style building offers comfortable year-round use and a characterful retreat that blends seamlessly with its seaside setting.
Moving a Garden Annexe Mobile Home
An Instagram video by A Room in the Garden shows a high-specification mobile home annexe being lifted and repositioned on the same plot, proving that even multi-layer SIPs builds can meet the Caravan Act’s mobility test with the right expertise.
Seeing a Garden Annexe in Person: A Valuable Step in the Buying Journey
Visiting a garden annexe in person is a valuable part of the buying journey. Garden Annexes make this easy with three furnished show models at their Suffolk site, helping you visualise the space and talk through your ideas.
One-Bedroom Annexe with Mediterranean Style by Vita Modular
This compact one-bedroom garden annexe by Vita Modular features a crisp white render, bold Greek blue bi-folds, and a bespoke interior layout. Designed as a turnkey living space, the project showcases Vita’s steel-framed build system and performance-driven materials.
31.5sqm One Bedroom Annexe in the Garden
Swift Unlimited designed this 31.5sqm one-bedroom garden annexe in Dorset for an autistic adult, ensuring privacy and independence while keeping family support nearby. Featuring Douglas Fir cladding, large sliding doors, a stylish kitchenette, and an en-suite shower room, it’s a bespoke, low-maintenance home.
iHus Garden Annexes
iHus specialises in quality, self-contained garden annexes for year-round living. With three distinct ranges, tailored designs, and a full turnkey service, iHus provides durable, energy-efficient homes across England and Wales, ensuring comfort and independence for multi-generational living.
Living Annexes by A Room in the Garden
A Room in the Garden designs high-quality living annexes, offering turnkey solutions for both full planning permission and mobile homes under the Caravan Act. This article explores their projects, showcasing how they tailor each annexe to suit individual client needs.
Super SIPs: Flexible Solutions for Garden Rooms, Annexes & Extensions
Super SIPs provides pre-designed and bespoke garden rooms, annexes, and house extensions. Customers can choose full installation services or self-build kits, offering flexibility and cost savings. Their solutions cater to diverse needs, from compact pods to multi-room homes.
Future Proofed Garden Annexe
Annexe Spaces created this 54sqm bespoke garden annexe featuring thoughtful design and practical elements for modern retirement living. Built under the Caravan Act, it includes accessible interiors, a low-maintenance exterior, and was completed within a comprehensive turnkey service.
L-Shaped Two-Bedroom Garden Annexe
AMC Garden Rooms designed this bespoke L-shaped garden annexe in Hertford for a family with teenagers. Spanning 70.78sqm, it offers two double bedrooms, a high-spec kitchen, a stylish living space, and low-maintenance exteriors, blending practicality with elegance.
Contemporary Garden Homes by Quick Garden
Quick Garden’s BELLA garden homes combine modern design with specification flexibility, featuring slow-grown Spruce cladding and dark-stained accents. Available in three sizes, they offer up to three bedrooms, insulation options, and customisation. DIY or professional installation options.
Two Room Annexe with Kitchen & Ensuite
Executive Garden Rooms crafted this 33.75sqm annexe in Verwood, complete with a kitchenette, shower room, and spacious living area. Its contemporary design, turnkey service, and low-maintenance finishes make it an ideal, light-filled solution for self-contained living in the garden.
One Bedroom Annexe Overcomes Significant Slope
In Tunbridge Wells, Ark Design Build have created a 42sqm garden annexe that skilfully overcomes a challenging sloped site. The contemporary barn-style building features a dual-pitched zinc roof, black Thermowood cladding and a well-appointed interior with vaulted ceilings throughout.
Garden Studio Apartment
A 5.5m x 5.8m garden studio apartment from Booths offers flexible, open-plan living space. Designed to comply with the Caravan Act, this portable annexe features a kitchen, shower room and customisable living area, making it suitable for both younger and older relatives.
Garden Annexes Kitchens: Heart of the Home, Even When Downsizing
Garden Annexes ensure that downsizing doesn’t mean sacrificing your kitchen. With customisable layouts and finishes, you can design a kitchen that suits your style and needs, maintaining practicality and charm while making it the heart of your garden annexe.
Spacious Garden Living Annexes: A Simple Design Trick
Choosing a pitched roofline for your garden annexe can create a vaulted ceiling, enhancing the sense of space and light. Garden Annexes’ St. George range demonstrates how this design trick transforms interiors, making them feel open and airy with added character and style.
Garden Rooms & Annexes Support Multi-Generational Living
The rise of multi-generational living in the UK, highlighted by Make Room Outside’s survey, shows 71.4% of adults open to this lifestyle. Key motivators include caregiving, financial savings, and post-breakup support. Garden rooms and annexes offer flexible, efficient housing solutions.
One-Bedroom Annexe by AMC Garden Rooms
AMC Garden Rooms created a bespoke one-bedroom annexe for a disabled relative in Hemel Hempstead. The 9.5m x 6m L-shaped structure features a kitchen-living room, en-suite bathroom, and entrance hall. Built under the Caravan Act, it offers independent living with family nearby.