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Granny Annexes

Granny Annexes are quite popular among the homeowners who want to build a fully functional residential space in their premises, next to the main house for family members (usually, but not necessarily, elderly ones)... Read more to comfortably live in. What makes this solution greatly affordable, is that due to certain structural features, many granny annexes could be considered Planning Permission friendly. Browse through a list of our beautiful granny annexe buildings and find the one that stands out for you. Read less

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Discover classical style granny annexe ARGO M-N and enjoy minimalistic wooden aesthetics. This comfortable and practical model could provide you with a valuable space extension close to your primary residence or serve you as an all-year-round family vacation spot. Due to reliable thermal insulation, ARGO M-N is a lovely model for staying in and enjoying quality time with family and friends during any season of the year.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Reliable thermal insulation
  • Double-glazed windows and doors
  • A perfect residential space extension

Special Price: £31,500.00

Regular Price: £32,600.00
-£1,100.00

One of our newest models – a charming one-bedroom granny annexe – provides lots of space to comfortably reside in. Whether you are planning to live there yourself or want your loved ones to cosily stay within easy reach, this cabin will work just great for a variety of purposes and applications. For your utmost convenience, an insulated version of this cabin model is available as well.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • One-bedroom cabin
  • Large double windows
  • Contemporary vertical cladding

Special Price: £29,936.00

Regular Price: £42,080.00
-£12,144.00
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A two-bedroom cabin with a cosy living room could become a perfect place of residence for a family with kids. Also, a great option for elderly grandparents, who love having their grandchildren over and comfortably spending time together, to reside next to the main house. For your utmost convenience, an insulated version of this cabin model is available as well.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Two-bedroom cabin
  • Large double windows
  • Contemporary vertical cladding

Special Price: £35,039.00

Regular Price: £48,958.00
-£13,919.00

This granny annexe model was developed having big families, who value spaciousness of their living area, in mind. It is designed to comfortably accommodate up to six people in three separate bedrooms. The cabin also features a big living room area with direct access to the garden. For your utmost convenience, an insulated version of this cabin model is available as well.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Three-bedroom cabin
  • Large double windows
  • Contemporary vertical cladding

Special Price: £42,875.00

Regular Price: £59,998.00
-£17,123.00

This cabin is built with slowly grown slow grown spruce throughout. This timber improves insulation of the cabin as a whole and is lovely quality. We use 44mm wall logs and 20mm flooring and roofing boards for a high-quality construction. Each door and window have been fully glass double glazed. This improves external noise to make your cabin more enjoyable. A lovely cabin to improve your space for the better.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Made of Slow-Grow conifer timber
  • Complies with mobile home/caravan act
  • Reinforced Floor bearers

Special Price: £12,897.00

Regular Price: £17,770.00
-£4,873.00
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The slowly grown timber used throughout this cabin is fabulous. Each piece is slow grown spruce which improve internal insulation. It features 44mm wall logs and 20mm flooring and roofing boards to make construction easier. The doors and windows are all fully double glazed, which improves the external noise. All in all, this cabin gives you a truly luxurious package at a low price.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Made of Slow-Grow conifer timber
  • Complies with mobile home/caravan act
  • Reinforced Floor bearers

Special Price: £16,812.00

Regular Price: £23,211.00
-£6,399.00

The exceptional wood used within this building is slow grown spruce. Slowly grown for improved insulation, it reduces any external noise naturally. The walls are 66mm logs that feature our anti-rot guarantee. Each window and door panel is fully double-glazed for improved warmth during the winter months. The reinforced roof supports to a high degree even during heavy snowfall. You can be sure of exceptional attention to detail in this building.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Made of Slow-Grow conifer timber
  • Complies with mobile home/caravan act
  • Reinforced Floor bearers

Special Price: £29,562.00

Regular Price: £40,702.00
-£11,140.00

The Lincoln mobile home offers the optimum size residential/recreational space for the average-sized family: it comes with 2 bedrooms and one large living room, as well as a room for the toilet and a storage room. As standard, the lodge comes with 66mm thick walls made of slow grown spruce. The double profile walls contribute to better natural insulation properties. Upon request, the insulation properties could be upgraded by incorporating double walls 44mm+44mm and an insulation kit for the roof, floor and walls. This cabin can be used as an office, for occasional use as a house for guests or as a permanent living space.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Made of Slow-Grow conifer timber
  • Complies with mobile home/caravan act
  • Reinforced Floor bearers

Special Price: £34,564.00

Regular Price: £47,593.00
-£13,029.00

The Brighton mobile cabin is equipped with two bedrooms, a living room, separate kitchen, bathroom facility and two further rooms. Thanks to its many rooms this cabin is suitable for large family gatherings or get-togethers with friends. Due to its architectural design, technically the cabin is a mobile home, but it sustains all the regular features of a cabin. If you are looking for a spacious and cosy cabin, look no further – the Brighton mobile cabin is perfect for you.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Made of Slow-Grow conifer timber
  • Complies with mobile home/caravan act
  • Reinforced Floor bearers

Special Price: £45,399.00

Regular Price: £62,496.00
-£17,097.00

This cabin is manufactured in such way that allows it to be split into two halves, this feature coupled with the dimensions of the cabin and the floor joist construction, makes it comply with the caravan act 1968. The cabin coms with double glazed windows and doors as standard . It is made from 66mm Scandinavian Spruce, 130mm x 66mm purlins ensure the roof structure is sturdy.

Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Made of Slow-Grow conifer timber
  • Complies with mobile home/caravan act
  • Reinforced Floor bearers

Special Price: £44,878.00

Regular Price: £61,256.00
-£16,378.00

The Boston mobile log cabin comes with 66mm wall logs as standard, meaning the cabin can be used in any season. Its exclusive manufacturing design ensures that the cabin complies with the Mobile Home act, making it free from building and planning regulation authorities (in the vast majority of cases). As with all our products, high quality windows and doors are used with this product, with PVC windows and doors also being available. In addition, as with most of our other products, 5 layer bitumen shingles can be chosen with the Boston mobile cabin as well.Important: this mobile cabin home meets all the requirements of the 1968 Caravan Act – therefore, no Planning Permission is usually required if you want to build it within the garden of your existing dwelling to be used as an extra space next to the main house. However, we highly recommend checking with the local planning department before installing it.

  • Made of Slow-Grow conifer timber
  • Complies with mobile home/caravan act
  • Reinforced Floor bearers

Special Price: £54,127.00

Regular Price: £74,437.00
-£20,310.00

Quite compact from the outside, yet amazingly spacious, fitting all the essentials inside – PREMIUM contemporary insulated garden studio room will quickly become the highlight of your day. Serving as a great place of solitude, it can become great remote office space, studio for your hobby or a gym, empowering you to work, exercise or perform any activity more efficiently and productively.


We also have this exact model available in exclusive black & white version ELON, dedicated to a famous world-renowned billionaire. This special edition contemporary structure has been developed for modern and minimalistic style admirers, who appreciate unique & exclusive things in their life.

  • Firestone® EPDM roof covering
  • PVC windows and doors
  • Bright, warm and spacious

Special Price: £25,911.00

Regular Price: £27,294.00
-£1,383.00
A cosy and stylish insulated PREMIUM garden room works as a great base for creating a lovely bureau, workshop, home gym or art studio. Due to large PVC windows and doors paired with the insulation of the SIPs panels, this garden room is not only exceptionally bright and modern but also provides extremely high thermal insulation properties.
  • Firestone® EPDM roof covering
  • Separate bedroom space
  • Bright, warm and spacious

Special Price: £24,636.00

Regular Price: £26,155.00
-£1,519.00
Want to explore sustainable living like a billionaire? Mansions and castles are so outdated – get back to basics in style! Enjoy your contemporary, budget-friendly, and sustainable all-year-round residence like the wealthiest of the world do! The latest addition to our prefabricated building collection - ELON - could instantly kickstart you to a more minimalistic way of living. Relatively compact from the outside yet amazingly spacious, fitting all the essentials inside, this modern residence will become a valuable highlight of your daily life. Serving as a great place of solitude, ELON can be used as your main living space or an excellent remote office, studio for your hobby or a gym, empowering you to work, exercise or perform any activity more efficiently and productively.
  • Stylish and minimalistic
  • PVC windows and doors
  • Bright, warm and spacious

Special Price: £27,209.00

Regular Price: £28,592.00
-£1,383.00
Thinking about a bespoke project? We can help!

Provide us with details about it. We'll be happy to help!

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