Guidance Optimised Retrofit Programme 3: guidance 2022 to 2025 Explains the type of retrofitting supported and how to submit a bid for funding. Part of: Social housing management First published: 25 October 2022 Last updated: 25 October 2022 Documents Optimised Retrofit Programme 3: guidance 2022 to 2025 Optimised Retrofit Programme 3: guidance 2022 to 2025 , HTML HTML