Heat Pump Permitted Development Rights in 2026: What You Can Install Without Planning Permission
A practical 2026 guide to heat pump permitted development rules in England. Covers the May 2025 reforms, the new MCS 020(a) noise procedure, the 37 dB(A) limit, special cases for flats, conservation areas, and listed buildings, and how the rules connect to the £7,500 Boiler Upgrade Scheme grant.