Supply Chain Advice Pack: Costing retrofit projects
Introduction
Homes have become the second highest emitting sector in the UK1 and the cost of decarbonising them is substantial: “The CCC estimates that an investment of about £250 billion will be needed to fully decarbonise homes by 2050, the equivalent of about £9 billion each year from the late 2020s to 2050” (House of Commons, 2022)2.
Published: Janaury 2026
Contents
Welcome to the Supply Chain Advice Pack: Costing retrofit projects
This pack is designed as an introduction to retrofit costs for delivery contractors on Govt. grant funded schemes, particularly the Warm Homes Wave 3. This wave runs from 2025 to 2028 and is funding £1.29 billion3 of social housing retrofit and £500 million4 of private sector housing retrofit.
Download the Advice Pack in the PDF below.
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