Bespoke Insulated Garden Rooms By Cabin Master

highly rated garden room suppliers

Rated Excellent on Trustpilot

Our Excellent rating on Trustpilot is something we're extremely proud of & is a reflection of the quality, service, and customer service we consistently deliver.

custom built garden room with veranda
10 guarantee on all garden rooms

10 Year Guarantee

Every component we use in our garden rooms is guaranteed for quality and durability, meaning our outdoor rooms will last the test of time.

composite home office for the garden
all weather garden rooms

All Year Round Use

Expertly built with premium-grade insulation and double glazing to keep you snug and comfortable in your outdoor room 365 days of the year.

small insulated garden office room
complete all round service garden room installers

Complete End-to-End Service

From design and delivery to foundations, build, insulation, internal electrics, and more, we handle the whole project, from start to finish.

end to end service garden offices
quick delivery garden rooms

Installed in 2-4 Days

Each garden room is built on-site, from start to finish, making them the perfect convenient, stress-free investment to help increase space at home.

large composite garden office
custom built garden room logo

Created Around You

Each room we design is bespoke to you & built to order, which means we are completely flexible around the size & layout requirements of your garden room.

timber built insulated garden office
garden room aftercare service

Dedicated Aftersales Service

You can rely on our outstanding aftercare service with expert advice & support for You & your insulated room, long after it has been installed.

corner room garden office

End-to-end service: from design to construction & everything in between

From your own personalised 3D designs created by our in-house team, through to build, handover, and aftercare, our unrivalled expert service ensures we handle everything from start to finish. Most garden rooms, depending on size and design, are completed within 4 days, so you can enjoy your new space sooner than expected!

Can I add a shower room or toilet to my garden room?

Yes, it's absolutely possible! We custom-build every project to suit our client's needs. With the right planning and infrastructure for water, electricity, and drainage, you can create a garden room or annexe with all the comforts of home. You can add a bathroom, shower, or toilet for a practical, comfortable space.

small garden room
inside a garden room
large luxury garden room
inside a garden room
garden room with shed
garden room with pink sofa

Do I need planning permission for my new garden room?

We aim to make the process of buying a new garden room as easy as possible, so the majority of our garden rooms are designed to be installed without planning permission, without compromising on your needs or wants. Our 20 years experience building garden rooms means if you do need support on planning, we're here to help.

Make the first step towards to garden room of your dreams, TODAY!

Whether you need extra space for your ever-expanding family, a quiet space to work from or a place to enjoy your favourite hobby, our fully insulated garden rooms are custom designed and can be up and running in a matter of days

Why choose Cabin Master

10-year guarantee

Every component we use in our Cabin Master rooms is guaranteed for quality and durability. Each building comes with a 10-year workmanship and labour guarantee, plus the guarantees of each individual component or building material included. Below are some typical examples:

  • 10-year guarantee on building materials.
  • 1 year metalwork guarantee (including hinges, handles and ironmongery).
  • 10 year guarantee on UPVc doors.
  • 10 year guarantee on window frames.
  • 4 year guarantee on glass window units

Quality standards

To build our insulated garden rooms, we make use of only the best raw materials and building components, and fully qualified local contractors.

  • Timber: Forest Stewardship Council-approved timber suppliers.
  • Roofing: For flat roofs, we use high-performance EPDM rubber roofing. For sloping roofs we use Kerbit SBS roofing shingles.
  • Doors & Windows: Double glazed, energy efficient uPVC doors and windows for peak energy efficiency.
  • Insulation: High quality silver-backed foam insulation from Celotex, Kingspan, Extratherm or similar.
  • Finishing: FSC approved MDF interior boards with Neatmatch damp resistant coating.

Bespoke designs

Our design team are on hand to turn your new garden room vision into a reality. Your ideas and sketches are transformed into a 3D drawing, which is then perfected until you are 100% happy. The design is then sent to our factory, where your new building is manufactured.

Delivery & installation

When you order your new garden room, we will arrange a convenient delivery and installation schedule, with an affordable quote tailored to your needs. The cost of delivery and fitting depends on the size of your building, where you live, the transportation distance and how many people you need to set up your building.

20 years experience

With over 20 years of experience, Cabin Master has become a trusted name in designing, manufacturing, and installing high-quality, bespoke garden rooms. Our decades of expertise mean we understand exactly what our customers need - delivering stylish, durable spaces that enhance homes and lifestyles across the UK.

Fast, Efficient Builds

Create your new garden room without the lengthy disruption of a traditional home extension. Our buildings are professionally installed by experienced fitting teams, with efficient construction designed to minimise disruption to your home and garden. From initial preparation to final installation, we work efficiently to get your insulated garden room ready to enjoy as quickly as possible. 

News and Events Latest From Our Blog

Change Your Routine With Your Very Own Home Dance Studio
7th October 2026

Change Your Routine With Your Very Own Home Dance Studio

You definitely don’t have to be a professional dancer to want to have your own dance studio in which you can practice and pirouette to your heart’s content. Rather than have to head to the dance studio every time you fancy perfecting...
Read Blog
How Big Should My Garden Room Be?
21st August 2026

How Big Should My Garden Room Be?

One of the first questions we hear from anyone thinking about a garden room is simple but important: how big should it be? Garden rooms aren’t just a trend anymore, they’re becoming an essential for creating space, and a staple for...
Read Blog
5 Garden Studio Designs That Work Brilliantly in Small Gardens
3rd August 2026

5 Garden Studio Designs That Work Brilliantly in Small Gardens

Wanting to create a garden studio for extra living space but concerned that your garden is on the smaller side? We've put together our garden studio design ideas that work incredibly in smaller outdoor areas. That's because with the...
Read Blog
Driving Simulator Garden Rooms: Create the Ultimate Sim Racing Space
14th July 2026

Driving Simulator Garden Rooms: Create the Ultimate Sim Racing Space

Sim racing is exploding in popularity, used by everyone from gamers and F1 fans to motorsport enthusiasts and professional drivers. If you're thinking about creating your own driving simulator set up at home, you'll definitely want to...
Read Blog

Feedback