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Garden room design · Ark Design Build

Black is the new Cedar

Why Ark Design Build often finish garden rooms in black: painted Thermowood or Larch, with frames to match.


Published 16 September 2020 · Updated 23 October 2026 · 2 minute read · Written by The Garden Room & Annexe Guide

Black clad garden rooms by Ark Design Build
Ark Design Build  black-clad garden rooms

For years, Cedar has been the top choice for garden room cladding, but over the last year or so, we have seen more and more buildings featuring black cladding. We have to say, we’re loving this trend!

Leading the way with black-clad garden rooms is Ark Design Build, who offer a bespoke design service in the Kent, East Sussex and parts of Essex. They allow each customer to choose the cladding finish that appeals to them aesthetically, from Thermowood to Western Red Cedar.

Over the last few months, we have featured three projects by Ark Design Build finished with black external cladding: a contemporary garden office with porch detail, a bespoke garden office that doubles as a cinema room, and a stylish small granny annexe.

Black clad garden rooms by Ark Design Build
Black cladding
Black clad garden rooms by Ark Design Build
One colour throughout

At a glance

  • The trend: Black cladding in place of Western Red Cedar.
  • The timber: Siberian Larch or Thermowood.
  • The finish: Bedec Barn Paint, which doesn’t crack, blister or flake.
  • The look: Black doors, windows and trims, so the building reads as one colour.
  • Company: Ark Design Build, Kent, East Sussex and parts of Essex.

Part of our garden room design guide →

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Materials

Durable black cladding

Garden room designers love Cedar for its long lifespan and natural resistance to rot and fungal attack. However, unless a UV oil is applied when installed and topped up every few years, the cladding will gradually change from an attractive reddish-brown to a silvery grey. While this doesn’t affect its durability, it does change the building’s appearance.

Black cladding, on the other hand, allows your garden room to maintain its appearance as it ages.

Ark Design Build uses either Siberian Larch or Thermowood cladding, painted with Bedec Barn Paint. This combination offers a highly durable external cladding with a traditional paint finish commonly seen on barns and agricultural buildings. Black barn paint is a flexible finish that doesn’t crack, blister, or flake.

Design

One exterior colour = a stylish look

Ark Design Build colour match the black cladding with black aluminium door and window frames. Using a single colour for all external finishes creates a cohesive, stylish look. We love how the vibrant colours of the garden contrast against the solid block of black.

Planning something similar?

Learn more about Ark Design Build

To learn more about finishing your garden room with black cladding, chat with the Ark Design Build team on 07896 196 718 or send them an email at contact@arkdesignbuild.co.uk. Explore www.arkdesignbuild.co.uk to see more examples of their work.

Visit Ark Design Build More Ark Design Build projects
More projects like this Garden offices
Read the guides What garden rooms cost Permitted development What is a garden room?

Published 16 September 2020 · Photographs courtesy of Ark Design Build.

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