Future Homes Standard: How to Calculate How Much Solar You Need

On-site renewables is now a functional requirement for every new home in England. This guide breaks down the confirmed sizing formula from Approved Document L 2026 and explains why designing beyond the minimum is essential.
The Future Homes Standard is Published — Here’s the Confirmed Timeline for Implementation

The Future Homes Standard comes into force on 24 March 2027, with a 12-month transition deadline of 24 March 2028. Here is a practical breakdown of the confirmed implementation timeline, the HEM/SAP crossover, and what developers should be doing right now.