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Swift UnlimitedExplore what’s possible
Bespoke Living AnnexesAward-Winning Designs15 Year WarrantyOver 18 years’ experience5 Star ReviewsFully Bespoke or Straight to SiteFriendly, Flexible and Capable ServiceComplete turnkey service — Design, Planning, BuildingYour Life, Your Choice, Your HomeSafe, Secure and Trusted
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Annexe project · White Peak Design & Build

9.5m x 5.5m pitched roof living annexe

A 9.5m x 5.5m annexe with a steel frame carrying glass right round a corner, black cement board picked out with kiln-dried cedar — and 200 tonnes of earth moved to get a level entrance.


Published 29 November 2022 · Updated 23 September 2026 · 2 minute read · Written by The Garden Room & Annexe Guide

White Peak Design & Build  9.5m x 5.5m one-bedroom annexe

This stylish one-bedroom garden annexe is a bespoke design by White Peak Design & Build. It occupies a 9.5m by 5.5m footprint and features a bedroom, a multifunctional kitchen-living area, and an accessible bathroom.

White Peak Design & Build are specialists in bespoke design, known for their flair in creating contemporary garden buildings, as highlighted in several articles we’ve written about their work over the years.

In addition to garden rooms, they design and construct self-contained garden annexes. As bespoke designers, they tailor each project to meet their client’s specific needs. This living annexe project is a prime example of that custom approach.

At a glance

  • Size: 9.5m x 5.5m — a bedroom, a multifunctional kitchen-living area and an accessible bathroom under a pitched roof.
  • The glazing: a steel framework supports large expanses of glass, including a fully glazed corner.
  • Outside: dark grey/black cement fibre boards pigmented in manufacture, so they keep their colour without repainting, with kiln-dried Western Red Cedar picking out the entrance porch and the large casement window.
  • The site: 200 tonnes of earth excavated to create a level entrance.
  • Company: White Peak Design & Build — a complete turnkey service from design to final connections, and comfortable with difficult sites.

Part of our one-bedroom annexe guide →

Visit the Garden Annexes website
A self-contained annexe
in your garden
No planning permission
required in most cases
Kitchen, bathroom & bedroom
— a home from day one
Fully fitted & insulated,
built in weeks
Based in Brighton & Hove,
building across England
Explore annexes →
The glazing

Annexe with feature windows

A key feature of this annexe is its striking window configuration, which ensures a beautifully light-filled living space. White Peak Design & Build incorporated a steel framework to support the large expanses of glazing, particularly in the corner of the building, as seen in the accompanying photos.

The glazed corner
Light right through
The living space
Under the pitched roof
Outside

Signature cladding detail

We’ve previously written about White Peak Design & Build’s attention to detail when it comes to exterior cladding, and this project is no exception.

The exterior walls are clad in dark grey/black cement fibre boards, which are pigmented during the manufacturing process, ensuring they retain their colour and won’t require repainting.

Cement board and cedar

To accentuate certain aspects of the building, such as the entrance porch and large casement window, kiln-dried Western Red Cedar has been used.

If you find this look appealing, you may want to explore another of their projects where White Peak has blended black cement board with Cedar cladding.

The company

Turnkey service

White Peak Design & Build offer a complete turnkey service, handling the entire project from design to final connections. They are well-equipped for challenging builds. For this project, 200 tonnes of earth were excavated to create a level entrance to the annexe. In another project we recently featured, the team had to crane all the building materials over the main house before work could begin!

Planning something similar?

Learn more about White Peak Design & Build

To learn more about creating a pitched roof living annexe, contact the White Peak Design & Build team on 07818 425 315 or email tim@whitepeakdb.co.uk. You can also visit www.wpdb.co.uk to explore more of their work.

Visit White Peak Design & Build More White Peak Design & Build projects
More projects like this One-bedroom annexes 45–55 sqm annexes
Read the guides Garden annexes: the complete guide What an annexe costs The Caravan Act route Granny pods

Published 29 November 2022 · Photographs courtesy of White Peak Design & Build.

Visit the Garden Spaces website
Visit the Timeless Garden Rooms website
Visit the Garden2Office website
A self-contained annexe
in your garden
No planning permission
required in most cases
Kitchen, bathroom & bedroom
— a home from day one
Fully fitted & insulated,
built in weeks
Based in Brighton & Hove,
building across England
Explore annexes →
Visit the Modern Garden Offices website

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Visit the Garden Annexes website to explore their homes in the garden
Visit the Garden Spaces website
Warwick Buildings Warwick Buildings Garden Rooms
Garden Rooms
From £7,750 including VAT, delivery and installation
Insulated for year-round use 21 buildings on show near Southam Flat, pitched & curved roof designs 10-year guarantee Online design & price configurator Made in Warwickshire since 1988 100mm walls, five layers thick
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Visit the Bridge Garden Rooms website
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Bespoke Garden Annexesacross the South East
Planning & building regs handled Self-contained homes Bespoke to your needs Independent living, close to home Ideal guest accommodation Fully project-managed build Fitted kitchens & bathrooms Insulated for year-round living Light-filled, open-plan living Handcrafted quality throughout Full-height glazing & bifolds One team, from design to completion
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Visit the Modern Garden Rooms website
A self-contained annexe
in your garden
No planning permission
required in most cases
Kitchen, bathroom & bedroom
— a home from day one
Fully fitted & insulated,
built in weeks
Based in Brighton & Hove,
building across England
Explore annexes →
Cosy Garden Rooms
FAST INSTALLATIONS FULLY INSULATED 10 YEAR GUARANTEE
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Annexes need planning.
We take care of it.
A self-contained home with its own kitchen, bathroom and bedroom.
Planning permission applied for and managed on your behalf.
A fixed written price before any work starts.
Made offsite, so the work in your garden is quick and clean.
One team, from the first drawings to handing over the keys.
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Crusoe Garden Rooms
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From £18,750 inc. VAT · base extra Hand-built on site, not prefabricated More than 350 garden rooms built Western Red Cedar as standard Electrical connection included Free site visit, in person or by video Building across the UK from Nottingham
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One-bedroom annexes from £85,000

A one-bedroom annexe, installed complete.

  • Open-plan kitchen and living space
  • Double bedroom, walk-in shower room
  • Designed around your garden
See one-bedroom annexes

The Green Room · 01536 358387

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