Gas boiler alternatives and heating solutions
New boiler costs range from £1,500 to £4,000+ installed depending on type, complexity, and brand. Get 2025 pricing breakdowns, real quotes, and tips for choosing between combi, system, and regular boilers.
TLDR: New gas boilers cost £2,500-£4,500 installed. Heat pumps cost £8,000-£15,000 but get £7,500 BUS grant. With the 2035 gas boiler ban coming, timing matters.
TLDR: Condensing boilers achieve 90%+ efficiency only when condensing. This requires return water below 55°C. Lower flow temperatures, weather compensation, and proper sizing maximise savings.
TLDR: Combi boilers heat water on demand and suit 1-2 bathroom homes. System boilers store hot water and suit larger homes with multiple bathrooms. Here's how to decide.