Heat Pump vs Gas Boiler: UK Market Shifts as Costs Converge in 2025

The debate between heat pump vs gas boiler installations has reached a tipping point in the UK market, with new data showing that upfront cost differences are narrowing rapidly whilst running costs increasingly favour heat pumps. According to the Energy Saving Trust's latest figures, combined with recent government policy changes and manufacturer price reductions, the financial case for heat pumps has strengthened considerably since 2024. ## Key Takeaways Heat pump installation costs have dropped by approximately 15-20% since 2023, with typical air source systems now ranging from £7,000-£13,000 after grants The Boiler Upgrade Scheme provides £7,500 grants for heat pump installations through March 2028, closing the price gap with gas boilers Annual running costs for heat pumps can now match or beat gas boilers in well-insulated homes, particularly with off-peak electricity tariffs New Building Regulations amendments from June 2025 will effectively ban gas boilers in new builds across England Combining heat pumps with solar panels and improved insulation creates the most cost-effective long-term heating solution ## Major Policy Shifts Reshape the UK Heating Market The government has accelerated its timeline for phasing out fossil fuel heating. From June 2025, amendments to Part L of the Building Regulations will require all new homes in England to use low-carbon heating systems. This effectively ends new gas boiler installations in new builds—a move that's already reshaping