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.

Miniature Manors built this 5m x 3m garden office and refurbished the old garage to match

Garden Office and Garage Renovation

Miniature Manors offers a truly bespoke service, combining a high-spec garden office build with garage renovation for a cohesive look. The 5m x 3m office features a recessed porch, sliding doors, and a professionally finished interior for modern functionality.

5m x 6m garden office & gym building with Siberian Larch cladding by Swift Unlimited

Garden Office & Gym Designed to Maximise the View

Swift Unlimited created this 5m x 6m multifunctional garden room in Cheshire, blending a home office, gym, and entertainment space. Featuring a living Sedum roof, Siberian Larch cladding, and expansive glazing, it maximises countryside views while harmonising with its surroundings.

A fully insulated garden room replaces an old garage.

Transforming an Old Garage into a Modern Garden Room

Heritage Living Group replaced an old South Yorkshire garage with a fully insulated garden room. Built with SIPs, it features glazing on three sides, composite cladding, and integrated storage, offering a stylish, functional space for exercise, entertainment, and year-round relaxation.

2.8m tall garden gym by Ark Design Build which has angled walls following the boundary walls of the garden

Angled Gym & Store Building to Follow the Fence Line

Ark Design Build designed a 22sqm garden gym in Tunbridge Wells with an angled 7sqm storage room that follows irregular fence lines. The 2.8m tall building features Thermowood cladding, aluminium bi-fold doors and sliding doors creating a glazed corner.

Premier range by Into The Garden Room

Into The Garden Room

Into The Garden Room designs modern garden rooms across the South of England, including London and Surrey. Offering fixed-price modular ranges, customisable designs, and bespoke services, they provide year-round comfort, luxury options like garden spas, and flexible financing for tailored solutions.

4m x 3.5m Swift Unlimited garden office with Western Red Cedar and Anthracite Grey doors and windows

Swift Unlimited is Happy to Let Designs Evolve

Working with Swift Unlimited is a collaborative process, embracing evolving designs. This multifunctional project exemplifies their approach, accommodating an office, gym, and bike store while overcoming site challenges to deliver a bespoke solution tailored to the client’s vision.

Photography studio by Cosy Garden Rooms

3m Tall Garden Photography Studio

Cosy Garden Rooms crafted a 3m tall, 7m x 4m insulated garden photography studio in East Sussex for Roberts Twins Photography. Featuring bespoke design, durable Boothbay Blue cladding, and air conditioning, this stylish space supports professional photography year-round with optimal lighting and comfort.

R L Planning can help you with your garden room or annexe project

R L Planning

R L Planning specialises in garden rooms and annexes, expertly navigating regulations to realise your vision. With 25+ years’ experience, they handle everything from certificates to ambitious designs, offering an efficient online service across England for seamless planning success.

8.7m x 4.4m garden living annexe by Miniature Manors

Open-Plan Garden Annexe in Surrey

Miniature Manors delivers a turnkey service for garden annexes, managing every detail from design to completion. This Surrey project features an 8.7m x 4.4m open-plan living space with Millboard cladding, bi-fold doors, and a bespoke Shaker-style kitchen for seamless modern living.

Infinity pool with underwater treadmill by Hargreaves Garden Spaces

Garden Gym with Infinity Pool

Hargreaves Garden Spaces designed a bespoke 13m x 5m garden gym and pool in Roehampton, London, featuring a gym with air conditioning, rubber matting, and sliding doors, alongside an infinity pool with an underwater treadmill, all clad in split stone.

The exterior mixes black stained Thermowood and natural slatted Thermowood

Home Pilates Studio by Rustic Realities

Rustic Realities crafted a 6m x 3.5m garden Pilates studio with a 1.2m veranda, blending contemporary design and rustic Thermowood cladding. Featuring hardwood plywood interiors, mirrors, and ceiling anchors, it serves as a fitness space and family retreat.

Inside outside entertainment garden room by Heritage Living Group

Inside-Outside Home Entertaining Space

Heritage Living Group created a stunning L-shaped entertainment space in South Yorkshire, featuring a 7m x 4.75m insulated room, a 5m x 2m canopied area, and panoramic sliding doors. Teak slatted composite cladding, decking, and countryside views complete this stylish, year-round retreat.

The exterior has been finished with black Thermowood cladding

3m Tall Garden Gym Building with Hidden Store

Ark Design Build created a 6m x 3m garden gym in Maidstone featuring a 3m height for extra ceiling space. The space includes a hidden storage room and home office area, with black Thermowood cladding outside and a striking Thermowood-plywood interior combination.

The A Room in the Garden design features Redwood weatherboard and white render finishes

A Garden Home Brings a Family Together

In Oxford’s countryside, A Room in the Garden reunited farmers with their land through a bespoke mobile home. The 87.45sqm dwelling, featuring a farmhouse kitchen and luxurious amenities, complies with the Caravan Act. Its design harmonises with rural surroundings while offering modern comforts.

9 x 5.4m insulated double garage with roller shutter doors by Executive Garden Rooms

High-Spec Insulated Double Garage

Executive Garden Rooms completed a fully insulated 9m x 5.4m double garage and workshop, featuring two insulated roller shutter doors and a glazed side door. The turnkey project included planning approval and Building Control sign-off, efficiently managed by the Executive team.

The Modern by Warwick Buildings

Warwick Buildings: Gold Standard Garden Rooms

Warwick Buildings Ltd has earned the 2023 Gold Endorsement Award for excellence in quality, innovation, and customer satisfaction. Established in 1988, they offer customisable, sustainable, energy-efficient garden rooms with transparent pricing, financing options, and a great show site experience.

Kennedy Garden Retreats offer birch plywood interiors

Kennedy Garden Retreats

Kennedy Garden Retreats create premium modular garden rooms, including the standout Windsor design with maintenance-free wood veneer and aluminium cladding. Based in West Sussex, they offer turnkey services and personalised options, including kitchens, cloakrooms, and integrated blinds.

The L-shaped kitchen was designed in collaboration with the clients

36sqm One-Bedroom Garden Annexe

This Swift Unlimited 36sqm one-bedroom garden annexe highlights their collaborative, bespoke approach. Designed to maximise garden space, it features an L-shaped layout, tailored kitchen, pocket doors, built-in storage, and an ensuite, providing independence and comfort close to family.

Office In My Garden garden office and exercise space in North London

Garden Room with Heritage-Style Windows

This garden room by Office In My Garden features Crittall style glazing, offering heritage character and charm to a contemporary design. Bespoke plywood storage, air conditioning, and a tree-accommodating stepped layout complete the project, finished in just four weeks.

Example of the Crusoe Pad garden room

The Crusoe Pad: A Well-Specified Garden Room

The Crusoe Pad by Crusoe Garden Rooms Limited is a well-equipped, mid-sized garden room ideal for varied uses. With premium features like aluminium bi-fold doors, cedar cladding, and complete electrical installation, the Crusoe Pad offers a seamless indoor-outdoor experience, ready for year round use.

Inside the room has a contemporary cabin aesthetic.

Unique Garden Office/Mancave with Storage

Rustic Realities crafted this 4m x 4m bespoke garden room in Buckinghamshire, blending a home office, leisure space & storage. Featuring eco-conscious materials, unique round windows, and ground screw foundations, the design overcame a tricky site with style and sustainability.

The Warwick Buildings team install the foundations as part of the garden room installation process

Ground Screw Foundations at Warwick Buildings

Warwick Buildings offers eco-friendly ground screw foundations, ideal for quick installation without excavation. These cost-effective, adjustable foundations suit uneven terrain and promote airflow to prevent moisture. Available within 75 miles of Warwickshire, they streamline garden room projects efficiently.

A comfortable contemporary home has been created

Contemporary 2-Bedroom Garden Annexe

Annexe Spaces crafted a 60.86sqm garden annexe featuring two bedrooms, a shower room, and an open-plan living area with kitchen. The contemporary design incorporates ample glazing, white rendered frontage, and Anthracite Grey accents. Ground screws enabled construction on sloped terrain, creating a versatile, cost-effective living solution.

The garden sitting room will be comfortable to use all year round

Comfortable Garden Retreat

Tranquil garden sitting room perfect for reading and spending quality time with friends and family by Executive Garden Rooms. The exterior of the 4.7m x 4.1m building features a durable mix of render and Cedral cladding, ensuring a long lifespan with minimal maintenance required.