Garden Gym Building Ideas

This page brings together the full archive of garden gym projects we’ve featured, showcasing a wide range of designs by different companies. Some are modular, while others are bespoke, but all have been tailored to suit the client’s preferences and requirements.

The projects highlight how garden gyms can be personalised with features such as increased ceiling height for activities needing extra headroom, reinforced structures for weight training or resistance equipment, and shower rooms for freshening up after a workout. You’ll also find gyms with specialist features like golf simulators, saunas, steam rooms, or hot tubs, creating multifunctional wellness spaces.

The projects are listed most recently published first. Use the pagination to explore all the designs and gather ideas for your own garden gym. Click through to see how these spaces have been thoughtfully designed to meet a variety of fitness and lifestyle needs.

8ft x 12ft Garden Gym

This bespoke 8ft x 12ft garden gym by Heritage Living Group in Barnsley maximises countryside views. Featuring SIPs construction, a teak-finished composite deck, and a modern interior, it offers a versatile space for exercise, relaxation, and entertainment.

Two sets of bi-fold doors open the room out onto the garden

Garden Annexe Office and Gym

Ark Design Build created a 50sqm garden annexe in Kent, combining a home office with a gym and shower room. The tall structure features black Thermowood cladding, bi-fold doors, air conditioning and a wood burner for year-round comfort.

11m x 5.5m garden room for use as a man cave by Swift Unlimited

The Ultimate Garden Man Cave

Swift Unlimited’s luxury garden room design features a pitched roof accommodating golf swings, a bespoke bar, soundproofing, storage, and a cloakroom. Finished with durable Millboard cladding, it seamlessly blends functionality and elegance, creating a premium, high-spec space.

Rustic Realities yoga studio with storage room

Rustic Yoga Studio with Storeroom

Rustic Realities designed a 6m x 3m yoga studio with a storeroom, blending oak weatherboard and Cedar shingles for a rustic exterior. Features include eco-friendly insulation, anthracite doors, bespoke shelving, and reclaimed materials, offering serene functionality and stylish practicality year-round.

The pool room by Timber Rooms features a living roof system

Pool Room with Gym, Wet Room, Kitchen, and More

Timber Rooms designed this luxurious pool room featuring a gym, wet room, kitchen, and entertainment area. Finished with Siberian Larch and black cladding. With seamless indoor-outdoor transitions and a living roof, the bespoke design harmonises functionality and contemporary aesthetics.

The bi-fold doors can be pushed to one side for indoor-outdoor play

Garden Playroom Design: Space That Grows With Your Kids

Cosy Garden Rooms designed a versatile 5m x 4m garden playroom in Greater Manchester, ideal for family needs. Finished with durable Hardie Plank cladding and easy-clean interiors, the space connects with the garden and offers room for play, toy storage, and even a small sauna, adapting as the family grows.

The exterior of the garden room has been clad in Western Red Cedar

Garden Room Designed for Now and the Future

Swift Unlimited created a versatile, high-spec garden room in St Albans featuring a home gym, office, shower room, and future treatment space. Highlights include acoustic insulation, Cedar cladding, a rooflight, and tailored electrics, ensuring functionality and contemporary style.

The antique green cladding has been paired with cream uPVC doors and windows

Garden Room Gym in South Yorkshire

Heritage Living Group designed a bespoke 6m x 4m garden gym in Doncaster, featuring SIPs construction for year-round comfort, tilt-and-turn windows for ventilation, antique green composite cladding, underfloor heating, and built-in mirrors. A tailored, fully-equipped space for fitness enthusiasts.

Swift Unlimited garden room with a covered area suitable for a hot tub

Extend Your Garden Room with a Hot Tub Shelter

Swift Unlimited can create covered outdoor areas alongside their highly insulated garden rooms, ideal for positioning a hot tub. These bespoke projects showcase how Swift seamlessly incorporates hot tub shelters into their designs, blending functionality with year-round comfort and style.

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.

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.

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.

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.

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.

L-shaped office and gym with covered seating area by Cosy Garden Rooms

L-Shaped Office/Gym Building with a Covered Seating Area

Cosy Garden Rooms designed an L-shaped office and gym with a covered seating area, transforming an underused garden corner. The 7m x 3m insulated space features floor-to-ceiling glazing, Monterey Taupe Hardie Plank cladding, and a 4m x 4m sheltered seating area, integrating seamlessly with the garden for year-round use.

L-shaped garden gym and office by Ark Design Build

Home Gym and Office Annexe

This L-shaped, 42sqm annexe combines a home gym and office with kitchen and shower facilities. Built to full building regulations, it features vaulted ceilings, cedar cladding, air conditioning and modern finishes throughout, whilst offering flexibility for future accommodation needs.

3m x 2.5m garden gym by Garden Spaces designed to slot into a small garden

Compact Garden Gym

This project shows that you don’t need a big building to create a functional garden gym, especially when working with an experienced designer like Garden Spaces. At 3m x 2.5m with lots of glazing, it feels spacious and light-filled, designed for comfortable use.

The garden rooms have been positioned in a woodland setting

Work, Rest & Play Garden Rooms

Executive Garden Rooms crafted two bespoke garden rooms in Poole, Dorset, fulfilling the client’s vision for a home gym, office, and cosy reading retreat in a woodland setting. With an Arboricultural Method Statement and detailed planning, the project balances modern functionality and careful construction.

The covered seating area sits alongside the insulated garden room

Garden Office, Gym, and Covered Seating Area

Garden Fortress created this bespoke 8.5m x 4.3m garden room in Banstead, combining a home office, gym and covered seating area. Built on a sloping site using ground screws, it features Western Red Cedar and Southern Grandis cladding with high-end interior finishes.

The L-shaped garden gym slots in beside an existing garden office

Bespoke Garden Gym Crafted for a Challenging Plot

Garden Spaces designed a bespoke L-shaped garden gym, expertly tailored to fit an angled plot and integrate with an existing office. Using SIPs for insulation and reinforced walls for gym equipment, they combined durability and functionality, featuring stylish cement board cladding and gym flooring.

The golf simulator screen sits in the end of the 4m wide garden room

Golf Simulator Garden Room

A golf enthusiast partnered with Garden Affairs to build a 7m x 4m garden room equipped with a professional golf simulator. Featuring a vaulted ceiling for optimal swings and insulation for year-round comfort, it also functions as a social space, enhancing the enjoyment.

The finished bespoke golf simulator and cinema room by Garden Spaces

Bringing Complex Garden Room Projects to Life

Garden Spaces specialises in complex garden rooms, managing challenging designs with creative expertise. This project, combining a golf simulator and cinema, highlights their skill in delivering stylish, functional spaces while navigating strict planning constraints and unique architectural demands.

Hipped Roof Garden Gym

Miniature Manors crafted this bespoke hipped roof garden gym in East Sussex, blending traditional clay tiles and featheredge cladding with modern glazing and sliding doors. Echoing the main house’s style, the highly insulated design features impressive vaulted ceilings for spaciousness.