Compare boilers, heat pumps, and heating systems for UK homes. Running costs, government grants, sizing guides, and advice on switching from gas to renewable heating.
506 articles
A Vaillant aroTHERM heat pump costs £8,000 to £15,000 installed, minus the £7,500 Boiler Upgrade Scheme grant, leaving a net cost of £500 to £7,500. It cuts heating emissions by…
The Daikin Altherma is a widely installed monobloc heat pump with SCOP up to 4.2, costing £8,000–£14,000 installed. Its efficiency drops to 3.0–3.5 in winter, and it requires existing radiators…
Vaillant boilers cost £200-£400 more than Glow-worm models but achieve 94% SEDBUK efficiency versus Glow-worm's 93%. Glow-worm offers a longer 7-year standard warranty compared to Vaillant's 5-year cover. Compare prices…
Baxi boilers cost £600–£1,500 for the unit in 2026, with seasonal efficiency of 89–92%. The 900 series offers a 10-year warranty and A+ rating, while the 600 series is best…
Ideal Logic boilers cost £1,500–£2,400 installed and come with a 7-year warranty. They are the UK's best-selling range by volume, offering 89% ErP efficiency across heat-only, system, and combi models.
Viessmann boilers cost £1,500–£4,800 installed in 2026, depending on model. The Vitodens 100-W achieves a SEDBUK 2026 rating of 94%. That makes it a reliable premium choice. Compare quotes from…
A new Vaillant boiler costs £1,800 to £3,500 fully installed in 2026. The ecoTEC range offers premium 94% efficiency, while the ecoFIT is a budget option with 89-91% efficiency. Compare…
Worcester Bosch boilers cost £1,800–£3,200 installed, 10–20% more than rivals, but offer the longest standard warranty (10 years) and high spare parts availability. Check if the premium fits your budget.
Heating a detached house costs £1,800-£2,500 per year. A gas boiler is cheapest upfront, while a heat pump with a £7,500 BUS grant cuts long-term bills. Compare system types to…
Switching from oil to a heat pump in NI saves £700–£1,100 yearly. Upfront costs after the £7,500 BUS grant range from £9,000 to £14,000, versus £2,500–£4,000 for a new oil…
Heat pumps in Scotland work reliably in cold weather, with modern models maintaining COP above 2.0 at -10°C per Energy Saving Trust trials. Running costs are competitive at 7-9p/kWh versus…
A heat pump-specific smart thermostat costs £200-£600 installed but can save £120-£200 yearly by boosting efficiency. Standard gas boiler thermostats can cut heat pump performance by 25-30%.
Radiator system balancing costs nothing and can cut your heating bill by up to 15%. It takes 30–90 minutes with a radiator key under £5, and a balanced system keeps…
Magnetic filters cost £80–£150 installed; cyclonic filters cost £100–£200 installed. Cyclonic units remove 95–98% of debris including non-ferrous particles, while magnetic filters capture 80–90% of ferrous sludge only. Compare removal…
Renewable heating in the UK in 2026 includes air source heat pumps, ground source heat pumps, and biomass boilers under the £7,500 Boiler Upgrade Scheme. Solar thermal and hydrogen-ready boilers…
A combi boiler costs £150-200 more per year to run than a heat-only system in a typical 3-bed home, due to 8-12% higher gas consumption for on-demand hot water (DESNZ,…
Three boiler heat exchanger types exist: standard (70–80% efficiency, banned for new installs), condensing (over 90%, mandatory since 2005), and combi secondary plate (for instant hot water). Only condensing types…
A low temp pipework upgrade typically costs £1,500-£4,000 for a 3-bed semi. If your home has microbore or pre-2010 pipework, an upgrade is often essential for heat pump efficiency. Compare…
Hydrogen blending adds £30-£50 per year to a typical UK gas bill in 2026, but only in pilot areas like Gateshead and Fife. No nationwide mandate exists, and your boiler…
LPG boiler alternatives start at £3,000 after the £7,500 Boiler Upgrade Scheme grant, with air-source heat pumps costing £3,000–£5,500 installed. Electric combi boilers are cheapest upfront at £3,000–£5,000 but have…
Off-grid heating costs £1,800-£3,500 per year in 2026, roughly double mains gas. Oil is the cheapest common fuel at 6.5-8.0p/kWh, but biomass pellets can be lower at 4.5-6.0p/kWh with more…
An air to water heat pump costs £10,000–£14,000 installed, but the £7,500 Boiler Upgrade Scheme grant cuts net cost to £2,500–£6,500. It can reduce heating bills by 30–40% in a…
Installing a wood burning stove in 2026 costs £2,500–£4,000, versus £1,000–£2,500 for a gas boiler swap. Running costs depend on fuel: logs deliver 1,500 kWh per £80–£120 cubic metre, while…
Water underfloor heating costs roughly 40% less to run than electric, at £4.50-£6 per m² per year versus £7-£9 (DESNZ 2026). However, electric is cheaper to install by £60-£100 per…
A new combi boiler costs between 2,000 and 3,500 pounds installed, including flue and controls. System boilers with a hot water cylinder cost 2,500 to 4,500 pounds. Prices vary by brand, output size, and complexity of the installation.
At 2026 energy prices, an air source heat pump with a COP of 3 costs roughly the same as a gas boiler to run. With electricity at 24.5p per kWh and gas at 7.2p per kWh, the heat pump produces heat at about 8.2p per kWh compared to gas at around 8p per kWh including boiler efficiency. The 7,500 pound BUS grant makes the overall economics favourable.
Yes, but older houses often need some preparation. The key requirements are adequate insulation, possibly larger radiators or underfloor heating for lower flow temperatures, and sufficient outdoor space for the external unit. A professional heat loss survey will determine what upgrades are needed.
The BUS provides 7,500 pounds towards installing an air source or ground source heat pump. Your home must have an EPC, be replacing a fossil fuel heating system, and use an MCS-certified installer. The property must be in England or Wales and you cannot have previously claimed a renewable heat incentive.
Air source heat pumps typically last 15 to 20 years, while ground source heat pumps can last 20 to 25 years. A well-maintained gas boiler lasts 10 to 15 years. Heat pumps have fewer moving parts and require less maintenance.
Air source heat pumps cost £800-£1,100 per year to run in a typical UK three-bedroom semi, comparable to a new gas boiler. With a £7,500 government grant available through the…
A hydrogen-ready boiler is a gas boiler engineered to switch to 100% hydrogen in the future with minor component changes, and in 2026 it costs roughly £100 to £300 more…
For most UK homeowners, an air source heat pump is the more practical and affordable choice, costing roughly £8,000–£15,000 installed before the £7,500 Boiler Upgrade Scheme grant reduces the net…
The Boiler Upgrade Scheme is a UK Government grant programme administered by Ofgem that provides upfront discounts of up to £7,500 off the cost of installing a low-carbon heating system…
The best smart thermostats available in the UK can save a typical household between £75 and £150 per year on heating bills, according to Energy Saving Trust guidance, with top-rated…
A new boiler installed in the UK in 2026 costs between £1,500 and £4,500 all in, covering the boiler unit, labour, and standard fitting materials. A simple like-for-like combi boiler…
