Bespoke garden
rooms, built to last
Handcrafted on-site and tailored to your exact needs. Rooms To Grow delivers premium, fully insulated garden rooms with no hidden costs – all backed by a 10-year warranty.
Visit our Essex showroom by appointment to see our builds up close and plan your perfect space.
What sets
us apart
Exceptional garden rooms start with exceptional service. A journey designed for complete peace of mind. We combine premium craftsmanship with expertise, technology and customer care to deliver quality at every stage.
Indoor Essex showroom
Experience build quality, materials & finishes in person
Dedicated design consultant
Guiding you from first ideas to final layout
Floor plans, 3D renders & designs
Clarity before you commit
Dynamic proposals
Clear, transparent and easy to understand
Dedicated project manager
One point of contact throughout
Track your build online
Follow progress at every stage
Full after-sales support
Long after your build is complete
Insurance-backed guarantee
Long-term protection for your build and complete peace of mind
Explore the
Possibilities
Endless ways to use your space
Create a space that works for you. From focused work zones to places to play, our garden rooms are built around how you live, work and unwind.
Train on your terms with a private, insulated gym. No commutes, no queues—just your routine.
What’s included – and what’s possible
Every garden room is delivered fully finished and ready to use, with premium features included as standard. Want more? Choose from a curated list of optional upgrades to create a space that’s truly your own.
Included as standard
Every garden room comes fully finished, ready to use from day one. No hidden extras, just complete comfort built in.
Bespoke Design
Foundations
High-Performance Insulation
Plaster + Paint
Heating
Full Electrical Connection
Internal + External Lighting
Hard-wired Internet Connection
Oak Laminate Flooring
Floor Plans
CGI Renders
Optional upgrades
Choose from a full range of extras to personalise your space. Practical or premium, each one adds function and style.
Air conditioning
Plumbing & Utilities
Media Walls
Specialist Lighting & Smart Home Set-up
Decking & Canopies
Kitchenette + Bar
Underfloor Heating
Demolition
Planning & Building Control
Changing Rooms & Saunas
Storage Rooms
Our garden
room ranges
Five base garden room designs are shown. Fully bespoke layouts and custom designs available.
Without Canopy
Highland
A contemporary modern garden room that fits right into any garden.
With Canopy
Marlborough
The Marlborough is your versatile option; this room can suit nearly every need.
Front Wall feature
Hazel
This design was brought about to create a special, more enchanting feel.
Angled Front Wall Feature
Richmond
Literally cutting edge, a fantastic design built to enhance any garden style.
Corner Layout Design
Willow
A distinctive corner design, creating a wider outlook and a more open feel.
Need Bespoke?
With our fully bespoke design service, we can bring any vision you have for your garden room to life.
Frequently
asked questions
Can’t find the answer that you’re looking for? Get in touch with us.
Garden gym room costs in Essex and across the UK vary depending on size, specification, and build quality.
Basic garden rooms can start from £6,000 to £10,000, but these often exclude essentials like foundations, electrics, insulation, and internal finishes, and are not designed for year-round use.
A high-quality, all-inclusive garden room built for year-round use typically ranges from £14,000 to £50,000+, depending on size and specification.
At Rooms To Grow, our premium, all-inclusive package includes foundations, electrics, heating, plastering, decoration, and hardwired internet as standard, so there are no hidden extras.
You can also visit our Essex showroom to experience the quality before making a decision.
Most garden gym rooms in Essex can be built under Permitted Development, meaning planning permission is not usually required.
However, there are important rules to follow:
- The building must not exceed 2.5m in height if within 2m of a boundary
- Up to 3m with a flat roof or 4m with a pitched roof if positioned further away
- The structure must not cover more than 50% of the total garden area
- It must not be used as separate self-contained living accommodation
Planning permission may be required if:
- Your property is in a conservation area or subject to Article 4 restrictions
- The design exceeds permitted size or height limits
- The intended use goes beyond typical incidental garden use
At Rooms To Grow, we guide you through the full process to ensure your garden room is fully compliant before any work begins.
Yes, a well-designed garden gym room can add both practical and financial value to your home.
In Essex, where usable space is in high demand, a dedicated gym room is a strong selling point, especially when it’s built to a high standard. A premium, fully finished gym that can comfortably support equipment, handle impact, and remain usable year-round will always stand out more than a basic setup.
At Rooms To Grow, we design gym spaces to feel like a proper extension of the home, with the structure, flooring, and insulation all working together to create a durable, long-lasting environment. That level of quality not only improves day-to-day use but also makes a clear difference when it comes to overall property appeal.
You should look for proper insulation, ventilation, reliable electrics, good lighting, and enough space to use equipment safely. These are the core elements that make a gym room genuinely usable, not just visually appealing.
Flooring is also a key consideration, especially if you plan to use weights or cardio machines. The structure needs to feel solid underfoot, and the layout should allow you to move freely and train safely without feeling restricted.
At Rooms To Grow, we build gym rooms around these fundamentals from the start. That means a fully insulated structure for year-round use, integrated electrics and lighting designed for training environments, and a layout tailored to how you actually plan to use the space. The result is a gym that feels comfortable, practical, and motivating to use, rather than cramped or overly basic, and one that performs properly over the long term.
Yes, provided it is designed with that in mind. Heavier equipment such as weight racks, benches, and cardio machines should be considered at the design stage so the base and flooring are suitable. Not every setup is the same, so it is important to plan around the specific equipment you want to include. We work with clients to make sure the space is fit for purpose.
Yes, both are important.
A gym room can become warm and humid quickly, especially during regular training, so ventilation plays a big part in keeping the space comfortable and usable. Heating is equally important to ensure the room remains practical in colder weather. The key is creating a balanced environment where temperature and airflow are controlled properly throughout the year.
At Rooms To Grow, we build this into the design from the outset. High-performance insulation comes as standard across the entire structure, helping to regulate temperature naturally. For additional control, we can incorporate optional air conditioning systems, allowing you to manage both cooling and heating depending on how you use the space. We also offer a range of window and door options, so ventilation, light, and airflow can be tailored to suit your gym setup.
Accurate pricing starts with a conversation
Choose from four simple ways to help get you started.
Design Consultation
Refine ideas, layout, and specification around real use.
Indoor Showroom
View materials, finishes, and build quality in person.
Free Site Design Survey
On-site assessment to define layout, positioning, and groundwork.
Design Online
Clear pricing and accurate visuals to design remotely.
QUICK & Custom
Build your quote
Get a tailored price in minutes. Select your room type, size and features to see a clear, no-obligation quote—no hidden costs, no sales pressure.
Visualise it first
See it in person
Visit our Essex showroom to experience our garden rooms up close.
Once you’ve seen the build quality, materials and finishes in person, we’ll design your own garden room in CGI so you can visualise it in your space before it’s built.
