Case Study: Stylish Hempcrete Extension in London

Hempcrete and timber form the rough-hewn walls of this south London house extension, designed by local studio Nimtim Architects with a focus on low-carbon materials.
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Hempcrete and timber form the rough-hewn walls of this south London house extension, designed by local studio Nimtim Architects with a focus on low-carbon materials.

A beautiful example of IWI on stone walls using sprayed hempcrete and finished with a hemp-lime plaster.

In a recent interview with HempToday, our COO Liam Donohoe shares valuable insights into the future of hempcrete and biobased construction materials.

Discover the affordability and benefits of hempcrete construction. Learn about cost factors and long-term savings, and see why many are choosing hempcrete for sustainable building.

A 3 storey large detached family hempcrete home, which was recently completed in late 2021 with UK Hempcrete providing consultancy, site training and material supply.

Tritton Road is a London based modestly sized rear single-storey extension, which has been carried to completion by the self-builder client to an impressive specification. Tritton Road is small but perfectly formed.

Illingworths Barn is an extensive renovation of a 18th century Yorkshire stone barn. Natural materials have been prioritised throughout the design of this project. The pine king-post roof trusses have been left exposed in the existing building, and a new Douglas fir in-the-round column and glulam beam structure is used in the new glazed extension.

What’s new in Hempcrete Blocks? It was really interesting to see IsoHemp’s new Hempro loadbearing system for hempcrete block walls under construction on site last month. The new system consists of normal hempcrete blocks that have been adapted to allow the casting of a reinforced concrete frame inside the hempcrete wall as the building goes […]

Show Season Ecobuild 2017 With a busier-than-ever year ahead of us, UK Hempcrete is currently in the thick of the show season. If you missed us at ASBP ‘Healthy Buildings’ conference, and Build It Live North West, catch us at Ecobuild (7-9 March). We’ll be casting hempcrete into a timber frame and showing our pre-cast […]
Free food, and accommodation in the beautiful French Alps in exchange for your work casting hempcrete in a new build Alpine chalet. Summer’s (nearly) here… and the hempcrete season has begun! We’re posting this for some clients of ours who are self-building a timber frame and hempcrete chalet near Chamonix in the French Alps. They […]

What can I expect from hempcrete in terms of its thermal performance? The thermal properties of hempcrete are extraordinary. It provides insulation because of pockets of air trapped within the material; both in the spaces between particles of hemp shiv, and in microscopic pores in the hemp shiv itself. Compared to synthetic insulation materials, hempcrete […]

Hempcrete is carbon negative Hempcrete is a “carbon-negative” or ”better-than-zero-carbon” material; more carbon is taken out of the atmosphere by the growth of the hemp plant than is emitted as a result of its production and application on site. Various estimates for the amount of carbon sequestered have been put forward, and of course this […]

So what exactly can you can use hempcrete for? In new-build, hempcrete is most commonly used to make walls, but can also be used to form floor slabs, ceilings, and roof insulation. Hempcrete walls In contrast to conventional insulation materials (which tend to be installed in a cavity within the wall, or added to wall […]