Signature Collection

Our pre-designed range of timber buildings — thoughtfully resolved, fully specified, and ready for you to make your own.

The Birch

£18,940.00

The Birch is part of our Signature Collection, a range of pre-designed timber buildings created to offer a more streamlined route to a beautifully built space. Designed as a home office with an attached store room, it combines practical simplicity with the quality, finish, and attention to detail that define Connection Timber Buildings.

Key Features

  • Best suited for: Home office with an attached storage room
  • Insulation: CTB Original Panel with 125mm insulation build-up
  • Structure: Fully timber-framed construction with insulated floor, wall, and roof systems
  • Internal finish: Choose from CTB Practical OSB or CTB Original Panel with plastered walls.
  • Door style: Choose from the available door options shown below.
  • Cladding: Select one of the eight external cladding options below to suit your preferred finish.
  • Heating and electrics: Included as part of the standard specification
  • Additional feature: A small attached store room included

Window design may vary depending on the door choice.

Configurations

Customise the Birch by selecting your preferred size, doors, cladding, and internal wall finish. This allows you to tailor the building to suit your space, style, and intended use, while keeping the process simple and easy to follow.

Build Package

1 × Complete Build Package

£18,940.00
Choose Your Internal Finish

1 × Select a product

x

CTB Practical – OSB Internal Wall Finish

£0.00

CTB Original Panel – Plastered Walls

£840.00

Choose Your External Room Size

2.7m x 2.7m

£0.00

Choose Your Doors

Window design is subject to door choice

1 × Select a product

x

Single Door UPVC

£0.00

French Doors

£850.00

Sliding Doors UPVC

£350.00

Choose Your Cladding

1 × Select a product

x

Larch

£0.00

Composite — Ivory

£100.00

Composite — Light Grey

£100.00

Composite — Olive Green

£100.00

Composite — Teak

£100.00

Burnt Larch

£450.00

Oak

£300.00

Western Red Cedar

£900.00

  
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Description

Built for year-round use, the Birch is designed to feel robust, comfortable, and considered from the outset. With high-performance insulation, a fully timber-framed structure, quality glazing, heating, electrics, and a carefully resolved finish, it offers a dependable and refined extra space without the need for a fully bespoke design process. Its compact footprint and integrated storage give it a particularly practical feel, making it well-suited to gardens where efficiency and everyday usability matter just as much as appearance.

Build & Specification

The Birch is built on a ground screw foundation system with an insulated timber base, breathable wall construction, and a flat roof with single-ply weatherproof covering. The building includes insulated floor, wall, and roof elements designed to create a comfortable internal environment throughout the seasons. The specification also includes a vapour barrier and internal wall finish, with a target U-value of 0.23 W/m²·K, helping to support both comfort and efficiency.

Inside, the room is designed to feel complete and practical from day one. The standard finish includes LVT flooring, skirting boards, and an electrical setup that includes sockets, LED downlights, external lights, CAT6 data cable, an outside socket, and an electric panel radiator. Decoration is not included, but can be discussed if required.

Reassurance & Warranty

The Birch is supported by a 20-year warranty on the roof covering, a 10-year warranty on the foundation and structure, and a 5-year warranty on windows and doors, offering added reassurance in the quality and longevity of the build.