Garden Room & Annexe Projects We've Been Exploring
Since 2009, we have been writing articles about garden rooms and annexes, showcasing the versatility of these high-spec, insulated garden buildings. We aim to inform buyers of their options and showcase the work of garden room companies, large and small.
A Garden Room With Storage Built In by Eden Garden Rooms
A bespoke 8m x 2.5m garden room in St Albans by Eden Garden Rooms, with two storage areas accessed from inside the room. That frees the front wall for glazing, clad in Western Red Cedar, opening onto a hardwood deck.
A Well-Specified Spa Sauna in Kent by Timber Rooms
Timber Rooms is a go-to name for well-specified garden saunas in the South East. This 5m x 5m spa sauna in Herne Bay, Kent, shows the range: Thermo Radiata Pine cladding, a 4m glazed wall, and a full-length central skylight.
Garden Recording Studio with Acoustic Porch by Garden Spaces
Garden Spaces’ Isleworth garden recording studio moves the signature acoustic porch to the side elevation, pairing a glazed outer door with a sealed inner fire door. With a Platinum acoustic package, back-to-back glazing, and planning handled, it delivers around 60dB of soundproofing.
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.
Multi-Use Garden Room With Covered Hot Tub Canopy by Miniature Manors
This Miniature Manors garden room brings a family room, a secure garden store, and a covered hot tub area together under one roof. Pearl Grey James Hardie cladding, wrap-around softwood decking, and a plastered, LVT-floored interior create a streamlined, year-round retreat.
A Golf Simulator, Gym and Entertaining Space by Swift Unlimited
Swift Unlimited designed and built this multi-use garden room in Reading around one client’s brief: a golf simulator, a gym, a wet bar and three cloakrooms, under a dual-pitched roof that complements the garden’s existing Pilates studio. Completed in eleven weeks.
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.
3.15m x 2.6m Second Hand Garden Room
Three-year-old garden room in excellent condition, originally £13,000, now £7,750 ONO. Fully insulated for year-round use with double-glazed sliding door, full electrics, heater, LED lighting, composite cladding and EPDM rubber roof. No foundations needed, easily relocated. Collection from Sherborne. Viewings welcome.
3m Tall Garden Gym With Shower Room by Eden Garden Rooms
A bespoke 3m tall garden gym in Streatham, London by Eden Garden Rooms. An L-shaped building split into a weights room with bi-fold doors and a cardio room with an ensuite shower, finished in vertical Western Red cedar with anthracite grey fascia.
A 53sqm Garden Room With Gym, Office and Storage in Kent
Ark Design Build created this 53sqm Kent garden room housing a gym, office and storage room. Each has its own access, with two rooms linked internally, aluminium sliding doors, skylights and Western Red Cedar cladding and a Millboard deck externally.
Soundproof Garden Music Room for a Flat by Garden Spaces
Garden Spaces’ Hornsey music room shows how a ground-floor apartment can gain a properly soundproof garden studio. With planning handled, a Gold acoustic package, an extended acoustic porch, and back-to-back glazing, it delivers around 60dB of noise reduction without feeling closed in.
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.
Garden Room With Canopy and Hot Tub for Indoor-Outdoor Family Living
A 4m x 2.7m garden room by Cosy Garden Rooms with a 3.5m canopy and a covered hot tub, designed so the family can move freely between an insulated room and a sheltered outdoor space throughout the year.
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.
Corner-Door Redwood Garden Office in Lincoln by Cabin Master
Cabin Master’s 4.3m x 3m Redwood garden office in Lincoln places its French doors on the corner of the building, softening the design and creating a sheltered porch. Inside, casement and picture windows, air conditioning and a two-tone panelled interior complete the space.
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.
Gym, Home Office and Bar in One Garden Room
A 5.8m x 3.6m garden room in Worsley, Greater Manchester by Lux Garden Rooms, combining a gym, home office and bar in one space. Western Red Cedar cladding, 3m aluminium bifolds, and a corner position that keeps the garden free for football.
Cedar Garden Office with Store and Through Access for a London Garden
This 4.6m x 3.7m cedar-clad garden office in Wimbledon by Timber Rooms fills a London terrace plot boundary to boundary, with a secret store and rear door that keeps the alley access the client needed. One bespoke building works as office, hangout, and gym.
3m x 2.8m Garden Office by Pecasa Garden Rooms
A compact but well-proportioned 8.4sqm garden office in Hitchin, designed and built by Pecasa Garden Rooms. Finished in Millboard composite cladding, with a considered glazing layout and integrated LED lighting inside and out, it works as a practical year-round workspace.
Addroom® – Attached Garden Rooms from Dunster House
If you’ve been searching for a conservatory alternative that you can comfortably use all year round, the Addroom® from Dunster House is worth exploring. It’s a modular, self-build garden room designed to be attached directly to the back of your house — built around insulated panels, with skylights in the roof to keep the space bright and light throughout the year.
Office, Gym and Storage: A 5.8m x 5.6m Garden Room Divided into Three
A 5.8m x 5.6m garden room in Derbyshire by Cosy Garden Rooms, divided into three distinct rooms: a large flexible living and working space, a private gym, and a lockable storage room — all within a single, well-considered building.
Second-Hand Garden Office with Storeroom £4,000 o.n.o
A second-hand garden office with storeroom has come up for sale in Oxfordshire, near Bicester Village. It’s a modular building in good condition — and for a competent DIYer willing to dismantle and relocate it, this is an unusual opportunity at a practical size.
Plectrum and Pill: Two Compact Garden Office Pods From WorkAway Office
WorkAway Office designs two compact, architect-designed garden office pods for small urban gardens: the angular Plectrum, shaped to fit a corner, and the rounded Pill for quiet end-of-garden placement. Professional installation covers Greater London and Somerset; plan packs are available UK-wide.