Look for an assessor who’s fully accredited and trained in the current RdSAP 10 procedures. You can check accreditation on the government’s EPC register.

A local assessor with a strong reputation and experience across different property types is often a good bet, construction, heating systems, and renewables all vary, and familiarity with these helps an assessor capture your home’s energy performance accurately.

Before booking, ask how long they’ve been accredited, whether they know local building styles, and whether they can offer clear pricing and timelines upfront.