Research and analysis

Whole House Retrofit and Social Housing Decarbonisation Fund Demonstrator: joint outcome and economic evaluation

Independent evaluation of the delivery and outcomes of the Social Housing Decarbonisation Fund Demonstrator and Whole House Retrofit competitions.

• From: Department for Energy Security and Net Zero
• Published: 21 June 2023
• Last updated: 25 January 2024 — See all updates

Documents

WHR and SHDF(D) outcome and economic evaluation: main report (January 2024)

PDF, 2.06 MB, 130 pages

WHR and SHDF(D) outcome and economic evaluation: technical annex (January 2024)

PDF, 3.47 MB, 227 pages

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WHR and SHDF(D) process evaluation: main report (June 2023)

Ref: BEIS / DESNZ research paper series number 2023/008

PDF, 1.66 MB, 66 pages

WHR and SHDF(D) process evaluation: technical annex (June 2023)

Ref: BEIS / DESNZ research paper series number 2023/008

PDF, 811 KB, 58 pages

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Details

Launched in June 2019, the Whole House Retrofit Innovation Competition (WHR) awarded £7.7 million to 3 organisations. It sought to demonstrate cost reduction in the whole-house approach to retrofitting through economies of scale and scope.

Launched in October 2020, Social Housing Decarbonisation Fund (SHDF) Demonstrator awarded £61 million in funding to 16 local authorities for 18 projects. It was an initial investment to learn lessons and catalyse innovation in retrofitting for the SHDF, for which the manifesto committed £3.8 billion of new funding in 2019.

These projects aimed to demonstrate innovative approaches to retrofitting social housing at scale, using a whole house approach.

The Department for Energy Security and Net Zero (then Department for Business, Energy and Industrial Strategy (BEIS)) commissioned Ipsos, in partnership with Technopolis and the Energy Saving Trust (EST), to conduct a process, outcome and economic evaluation of the WHR and SHDF(D) competitions that was completed in October 2023.

Outcome and economic evaluation report

This report covers:

• energy, carbon and bill savings
• quality of installation
• benefits to social housing residents
• retrofit market outcomes
• lessons learnt
• value for money

Process evaluation report

Evidence in relation to scheme uptake, delivery, and implementation. It covers the period from the launch of the schemes to June 2022.

Published 21 June 2023
Last updated 25 January 2024 + show all updates

1. 25 January 2024

   Added the WHR and SHDF(D) outcome and economic evaluation report.

2. 21 June 2023

   First published.