Insulated Concrete Formwork (ICF)

Beco Wallform
https://becowallform.co.uk/BecoWallform Insulating Concrete Formwork (ICF) is a fast and cost-effective form of construction. Providing low, zero or passive energy performance standards to help counter the effects of climate change, Wallform is an integrated building system for any architectural style and all types of cladding including brick, stone, timber and render.

R-Wall
https://www.r-wall.co.uk/R-WALL, a UK-based family business founded by builder Matt Trewin and environmental scientist Lisa Trewin, offers an innovative Insulated Concrete Formwork System. Inspired by government goals for faster, eco-friendly construction, R-WALL meets new regulations, emphasizing energy efficiency, reduced carbon impact, and high performance since its 2020 release

The Fell Partnership
https://www.thefellpartnership.co.uk/We are the official distributor for Nudura UK in South West England for NUDURA Insulated Concrete Formwork (ICF). These are increasingly used for Eco houses self build.