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.
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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.
Designing an Annexe Around the People Who Will Call It Home
A guest post from Swift Unlimited on how a garden annexe should be designed: listening to the person who will live there before drawing a plan, testing ideas with mood boards, developing the concept and costings together, then checking it all on site.
An 8m x 5m One-Bedroom Garden Annexe by Swift Unlimited
An 8m x 5m one-bedroom garden annexe by Swift Unlimited, built as a second building for returning clients. The 40sqm plan holds a 9sqm bedroom, en-suite shower room, and an L-shaped living space with a kitchen and breakfast bar.
6m x 3.5m Guest Annexe in Worthing by Miniature Manors
A 6m x 3.5m guest annexe in Worthing by Miniature Manors, tucked into established planting behind a fisherman’s cottage. An L-shaped room with a double bed and bespoke birch ply bunks, black corrugated metal and charred timber on the outside.
Compact One Bed Annexe by Annexe Spaces
A 6m x 3.3m one bed annexe in Sutton by Annexe Spaces. Rather than leaving it open plan, walls are used thoughtfully to define a shower room, kitchen living area and bedroom, with extra height adding space.
The Bothy by JML Garden Rooms: A Pitched-Roof Garden Room and Annexe
In a market of flat-roofed garden rooms, JML Garden Rooms’ Bothy stands out. This bespoke 31sqm pitched-roof annexe on Loch Fyne uses its height for a mezzanine office above a ground-floor games room, kitchenette and shower room — built to withstand an exposed Argyll lochside.
Two-Bedroom Accessible Garden Annexe by Vita Modular
This 55sqm two-bedroom garden annexe in Reading by Vita Modular pairs a standing seam metal roof and vertical timber cladding with black aluminium glazing to every room. Designed around accessibility, it delivers a self-contained, step-free home for year-round living.
From Underused Garage to Boutique Rental: A Custom Garden Rooms Annexe
A tired garage in Shrewsbury has become a stylish, self-contained Custom Garden Rooms annexe, designed from the start as a short-term rental. With planning handled, a cleverly divided 7m x 3m layout and a private courtyard, it shows what a compact annexe can deliver.
Booths Garden Studios: Garden Rooms and Annexes to Buy or Rent
Booths Garden Studios have launched a new website. Established in 1999, they build zero-maintenance garden offices and self-contained annexes in steel, UPVC and glass — with no timber to paint or stain, and the choice to buy or rent.
Ivyo 945 One-Bedroom Annexe by Garden Annexes
This Ivyo 945 by Garden Annexes is the largest footprint in the Ivyo range — around 57 sqm externally — configured as a spacious one-bedroom home with vaulted ceilings, full-height glazing, a full kitchen and an en-suite reached by a pocket door.
Vagabond Haven Evergreen: A Scandinavian Modular Home for Garden Annexe Living
The Vagabond Haven Evergreen is a 41sqm Scandinavian modular home with two separate bedrooms, a full fitted kitchen, a wet-room bathroom, and a fully furnished interior. Light-filled thanks to its vaulted ceiling, it makes a great permanent garden annexe — now entering the UK market.
Garden Office, Gym and Guest Bedroom Annexe by A Room in the Garden
This annexe by A Room in the Garden delivers a home office, gym and self-contained guest accommodation in one garden building — giving a busy family the space they need and genuine privacy for everyone on the property.
Vagabond Haven Elise: Self-Contained Tiny House Living
The Vagabond Haven Elise is a 25sqm self-contained tiny house with two sleeping lofts, a full oak-topped kitchen with dishwasher, and a proper wet-room bathroom. A Swedish company, newly entering the UK market, built to Scandinavian year-round standards.
Annexxa 635 by Garden Annexes: Open-Plan Living in a 31sqm Footprint
This Annexxa 635 by Garden Annexes packs open-plan living, a well-appointed kitchen, en-suite shower room and flexible sleeping into a 30.9sqm footprint. Wide-board cladding, shadow gap detailing, and a soft blue-grey palette make for a compact annexe with considered architectural character.
Garden Living Annexe in Matfield by Ark Design Build
A 50sqm Ark Design Build garden annexe in Matfield, Kent, combines open-plan living, separate bedroom with garden views, generous en-suite, and store. Low-maintenance Thermowood cladding, anthracite grey door and window frames. A turnkey route from design through Building Control to complete handover.
44.3sqm One-Bedroom XB Annexe by Garden Annexes
This Garden Annexes XB 745 is a one-bedroom annexe with 38.1sqm of living space internally, Mallard Green cladding and black-framed glazing. Open-plan living opens to the garden; the bedroom has three tall windows with pleasing rhythm. Turnkey handover by the in-house team.
Annexxa 845 One-Bedroom Annexe by Garden Annexes
This Annexxa 845 by Garden Annexes is 51.15 sqm, configured as a one-bedroom home with open-plan living, L-shaped kitchen and en-suite. Low-maintenance exterior, mono-pitch roofline and full turn-key from design to handover.
One Bedroom Mobile Home Annexe
This elegant East Sussex mobile home annexe by A Room in the Garden sits lightly at the end of a family garden, combining higher ceilings, calm neutral interiors and thoughtful materials to create a wonderfully light and airy, comfortable home with its own outdoor space.
Ex-Display SIPs Annexe by Heritage Living Group
Heritage Living Group’s ex-display SIPs annexe from the Great Yorkshire Show is for sale. SIP core, cladding, roof and glazing in place; interior unfinished for your layout and finishes. One unit only — contact Heritage Living Group for details.
29.4sqm Open-Plan Ivyo by Garden Annexes
This 29.4 sqm open-plan Ivyo 540 by Garden Annexes is finished in Midnight Black with a vaulted ceiling, exposed trusses and zoned living, kitchen and bedroom space. En-suite shower room and a full turnkey handover, including groundworks and services.
36.98sqm One-Bedroom Garden Annexe by Swift Unlimited
This 8.6m x 4.3m self-contained garden annexe in Cheshire by Swift Unlimited was built with full planning and Building Regs for multi-generational living. SIPs on ground screws, cedar cladding, a Shaker kitchen and en-suite; delivered turnkey from design to handover.
A Look at Garden Annexes’ On-Site Build Phase
A look at how Garden Annexes’ in-house team transforms a garden in just one day, with a full annexe frame erected on site. Their Suffolk-based manufacturing, coordinated groundworks and project-managed installation help keep the on-site phase efficient, organised and homeowner-friendly.
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.