Comfortable Garden Annexe Accommodation

Our insulated garden annexes are designed for comfortable use throughout the year. Quality insulation and double glazing help retain heat in winter and keep the space cooler during warmer months, while optional heating and ventilation can provide additional comfort.

Whether you need a quiet retreat, guest bedroom or more independent living accommodation, a well-designed garden annexe gives you the flexibility to make the most of your outdoor space.

Benefits of Custom Garden Annexes

Why choose Cabin Master

10-year guarantee

Every component we use in our Cabin Master annexe is guaranteed for quality and durability. Each building comes with a 10-year workmanship and labour guarantee, plus the guarantees of each 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 granny annexes, 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 granny annexe 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 annexe, 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 annexess. 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 annexe 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 bespoke garden annexe ready to enjoy as quickly as possible. 

Garden Annexes Designed Around You 

Every garden and every requirement is different. That’s why we design our self-contained garden annexes around the space available and how you plan to use it.

From compact annexes for occasional guests to larger layouts with sleeping, living, kitchen and bathroom areas, we can help you create a practical space that works for you.

Ready to create your own garden annexe? Get in touch with Cabin Master to discuss your requirements and arrange your free design consultation.

Read our latest Garden Annexe Blogs

24th January 2026

Are Garden Annexes a Good Investment?

With house prices climbing and families needing more flexible living solutions, many homeowners are considering whether a garden annexe is a smart investment. Whether you're looking for extra living space, a home office, a rental...

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10th February 2026

Garden Annexes for Independent Living: The Future of Senior Living

As we enter 2025, with an ageing population and increasing care home costs, many families are exploring other practical and compassionate solutions for senior independent living. A granny annexe offers security, comfort, and proximity...

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19th July 2025

Make Room For Sleepovers In Your Garden Room Bedroom

Want to be the envy of your friends? Then we have the perfect solution: a garden room bedroom! Below we discuss some of the benefits of creating a garden bedroom at your home and how you can get your hands on one.

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22nd January 2026

Can I Rent Out a Cabin in My Garden on Airbnb?

Airbnb has become a phenomenon in the hospitality industry over the last 15 years, bringing tourists new, quirky, and more flexible options when it comes to places to stay. Airbnb has popularised alternative accommodation in recent...

Read More

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