If you’re serious about training, the hardest part often isn’t motivation — it’s time. Driving to the gym, waiting for equipment, squeezing sessions around work and family… it adds up. A garden gym room gives you a dedicated space at home where you can train properly, shut the door, and get on with it.
At OuterRoom – Luxury Garden Rooms, we design, manufacture and install garden room gyms across Surrey. We’ve been doing this since 2012, and we build with the same priorities every time: modern, sharp-looking design, strong structure underfoot, and a finish that’s easy to live with. From first ideas to final handover, we’ll guide you through the full process and tailor the room to the way you actually work out.


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A gym in the garden needs to feel solid, comfortable and usable all year — not freezing in January and unbearable in July. We take care of the details that make the difference.
With years of installations behind us, we know what tends to come up on real Surrey properties: uneven ground, narrow access, neighbour sightlines, and gardens that get waterlogged in winter. Whether you’re in Guildford, Woking, Epsom, Farnham or around Weybridge and Leatherhead, we’ll help you plan sensibly so the build works long-term — not just on day one.
Not every garden gym is the same. Some people want a clean, calm space for cardio and mobility. Others want a proper strength setup with a rack and heavy flooring. We’ll talk through your training style and build a room that suits it — including layout, ceiling height, ventilation, electrics and where kit will actually live.
We keep it simple: clear design, agreed specification, tidy work on site, and steady communication throughout. You’re not left guessing what’s happening next. We handle the build from start to finish, and we’re careful around your home and garden while we’re there.
Surrey weather has its moments — damp mornings, cold snaps, and sudden hot spells. A garden gym has to cope with all of it. We use robust materials and proven build methods, with insulation and ventilation in mind, so the space stays comfortable and low maintenance year after year.
If you have any questions feel free to contact us.
Often, garden rooms can be built under permitted development, but it depends on things like height, placement, and your property’s restrictions. We’ll talk through what applies to your home and help you plan accordingly.
Yes — if it’s built properly. With the right insulation, ventilation and heating provision, a garden room gym can stay comfortable in winter and usable during warmer months too.
It depends on your training style and equipment. A compact room can work well for cardio and free weights, while a rack, bench and functional space usually needs a larger footprint. We’ll help you choose a size that feels right without overpowering your garden.
Insulation is a key part of making the room usable year-round. In terms of sound, we can discuss practical ways to reduce noise — especially if you’re dropping weights or using a heavy bag — based on where the room sits and how you plan to train.
Timescales vary depending on design and specification, but once everything is agreed, the build is usually completed within a clear, planned timeframe. We’ll outline the stages upfront so you know what to expect.

- Weight training & powerlifting setups – space planned for racks, benches and storage, with flooring considerations for heavy kit
- Boxing & combat training rooms – room for bags, wall padding options, and airflow so the space doesn’t feel stuffy
- CrossFit-style functional spaces – open floor area, practical storage, and layout that works for circuits and conditioning
- Hybrid gym + studio – a balanced room for strength, cardio, yoga or stretching, with a calmer finish and good natural light
Because we manufacture our rooms to suit the project, we can adapt the size and layout around your goals and budget. If you want an affordable build that still looks high-end, it often comes down to smart decisions on finishes and features — we’ll help you choose what’s worth it and what’s not.


A garden gym room doesn’t have to be single-purpose. Many customers in Surrey want a space that works as a gym most days, but can also function as a quiet room, hobby space, or a tidy “escape” from the house when needed. We’ll design it so it feels like a proper room, not just somewhere to dump equipment.
Train on your schedule without travel time or waiting for machines
A private space where you can focus, put music on, and get it done
Year-round usability with a build designed for UK temperatures
Adds valuable living space without sacrificing a bedroom indoors

If you’re looking into a garden room gym in Surrey, we’re happy to chat through ideas and give straightforward advice. Whether you’re in Cobham, Reigate, Dorking, Walton-on-Thames, Camberley or nearby, tell us how you train, what space you’ve got, and your rough budget — and we’ll help you design a garden gym room that looks great, feels solid, and works for the long term.

Specialists in garden room design, supply and installation. Contact us today for free quotes.
Email: [email protected]
Phone: 020 8798 2494
Mon: 9am to 5pm
Tue: 9am to 5pm
wed: 9am to 5pm
Thur: 9am to 5pm
fri: 9am to 5pm
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