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Concrete House, Sussex

Project data

Location: East Sussex, United Kingdom

Purpose: Family home

Featured in Channel 4's Grand Designs on Wednesday 24th October 2018.

Read our Concrete House report for an in-depth look at how we contributed to this unique project.

We also sat down with owner Adrian Corrigall for an insightful interview, which you can read here.


The customer wanted an exposed concrete finish throughout. This included a regular tie-hole pattern and consistent panel alignments.


Adrian Corrigall

Customer's benefit

A regular tie-hole pattern and panel alignment

Reduced transport and manual handling requirements

Crane-independent working due to lightweight panels


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Adrian Corrigall

DUO works in perfect harmony with the experimental concrete mixes we are using in that both reduce labour and material costs, reduce the project’s carbon footprint and are definitive steps forward in construction methodology.

PERI solution

From the onset, the idea was to use DUO panels for horizontal and vertical applications to form slabs, columns and walls. The lightweight panels, the largest weighing no more than 25kg, were ideal for the project due to its location and confined site space. Labourers were able to lift and move the panels around the site by hand, eliminating the need for a crane to erect the system.

Furthermore, DUO aligned with the customer’s vision of reducing waste during construction. All of the raw material is 100% recyclable and can be reused in the production of new panels, making it a sustainable alternative to using conventional formwork on this project.

The system also offered logistical benefits. Due to the weight of the panels, only three lorries were required to deliver material from our depot to the site.

We worked with augmented reality software and produced drawings in 3D to facilitate the design stage. This involved capturing design specifications such as the alignment of visible panel joints and tie points. By doing this, the developer and sub-contractor were able to understand the relationship between formwork, concrete pressure and the site before construction started.

PERI systems in use