Solar and Property Values: 2026 Data

How much do solar panels add to property value?

Do solar panels increase UK property value? YES — here's the data: EPC IMPROVEMENT: Solar panels typically improve EPC rating by 1-2 bands (e.g., D→C or C→B). Source: analysis of MHCLG EPC register data (epc.opendatacommunities.org). PROPERTY VALUE PREMIUM: BEIS research shows each EPC band improvement correlates with a 1-3% increase in property value. For a £300,000 property improving from D to B: £6,000-£18,000 premium. MID-POINT ESTIMATE: £5,000-£10,000 for a typical 4kW solar installation. INTERNATIONAL EVIDENCE: US studies (Zillow, NREL) show 3-4% premium for solar homes. Australian studies: 3-5%. German studies: 2-4%. UK evidence is newer but consistent. ESTATE AGENT PERSPECTIVE: 78% of estate agents say solar panels are a selling point in 2026 (up from 45% in 2019). Energy efficiency is now a top-5 buyer priority. BUYER DEMAND: Rightmove data shows 'solar panels' appearing in 23% more property searches in 2025 vs 2023. Sources: MHCLG EPC register (epc.opendatacommunities.org), BEIS research, Rightmove property data, Zillow US solar premium study, NREL (nrel.gov).