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 well-maintained heat pump can save you up to £300 a year on your heating bills compared to a neglected one. The potential saving is real and stems from a measurable drop in efficiency. A heat pump’s Coefficient of Performance (COP), which is the ratio of heat output to electricity input, declines as components get […]
An air source heat pump typically runs at 40 to 60 decibels from 1 metre, similar to a quiet conversation or a refrigerator hum If you are considering a heat pump, noise levels are a common concern. The most commonly cited figure from the Energy Saving Trust is 40–60 dB(A) at 1 metre for a […]
The Boiler Upgrade Scheme offers £7,500 off an air source heat pump in 2026 The main government incentive for heat pumps in England and Wales is the Boiler Upgrade Scheme. It provides a flat £7,500 discount on the installation of an air source heat pump. Quick Answer Heat pump grants in 2026 include the Boiler […]
Heat Pumps Are The Most Efficient Heating System For Most UK Homes In 2026 If you are considering a new heating system, you have likely heard that heat pumps are becoming the standard. These systems extract renewable heat from the outside air or ground and transfer it indoors, achieving efficiencies of 300–400% compared to a […]
A home survey determines whether your property is suitable for a heat pump Before any equipment is ordered, an MCS-certified installer worth visiting your property to carry out a detailed survey. This is not a quick quote. The surveyor performs a heat-loss calculation under the MCS 020 standard, which measures how much heat your home […]
The UK standard for heat pump sizing is a room-by-room heat loss calculation, not a rule of thumb Under the 2026 update to the Microgeneration Installation Standard (MIS 3005), every domestic heat pump installation in the UK must be sized using a full room-by-room heat loss calculation (MCS, 2026). This replaces older methods that relied […]
Are you thinking about switching to a heat pump and wondering whether the running costs will actually save you money compared to your existing gas boiler? This is the single most common question homeowners ask, and the answer depends on a few key numbers you can check today. Quick Answer Heat pump running costs are […]
Understanding How Heat Pumps Distribute Heat Around Your Home Heat pumps are fundamentally different from gas boilers in one critical way that affects every heating decision you make about your home. A gas boiler heats water to between 65°C and 80°C, sending it around your system at high temperatures that quickly warm radiators and rooms. […]
Heating a typical UK home accounts for roughly 60% of annual household energy use, which makes the switch to an air source heat pump one of the most financially consequential decisions a homeowner can make. With electricity prices, gas prices, and government grants all shifting in recent years, understanding exactly what an air source heat […]
Replacing a gas boiler is one of the biggest decisions a UK homeowner can make, and for those living in older properties, Victorian terraces, Edwardian semis, or post-war houses built before the era of energy efficiency standards, it raises a very reasonable question. Can a heat pump actually do the same job as a gas […]
Replacing a boiler is one of the largest single home improvement purchases most UK homeowners will make, and the range of prices quoted by different companies can be genuinely bewildering. Understanding what drives the cost, and what those costs actually cover, puts you in a far stronger position for getting a fair deal. ⚡ Quick […]
Heating bills remain one of the biggest household expenses across the United Kingdom, and for most homeowners, the central heating system runs on a programme set years ago that bears little resemblance to how the household actually lives today. A smart thermostat is one of the most accessible, low-cost upgrades available to address this directly, […]
The Boiler Upgrade Scheme is one of the most significant financial incentives available to UK homeowners wanting to swap their fossil fuel boiler for a low-carbon heating system, offering grants of up to £7,500 towards the cost of installation in 2026. ⚡ Quick Answer The Boiler Upgrade Scheme is a UK Government grant programme administered […]
Understanding the Difference Between Ground Source and Air Source Heat Pumps Heat pumps are now one of the most discussed home heating technologies in the UK, yet many homeowners remain unsure about the fundamental differences between the two main types. Choosing the wrong system, or installing either type in the wrong home, can result in […]
Replacing a boiler is one of the most significant home improvement decisions a UK homeowner will make, and the emergence of hydrogen-ready boilers has added a genuinely confusing new dimension to what was already a complicated choice. These products are now widely stocked by installers across the country, with major brands including Worcester Bosch, Baxi, […]
How Heat Pumps and Gas Boilers Compare on Running Costs An air source heat pump (ASHP) produces 3-4 units of heat for every unit of electricity consumed, measured as a Coefficient of Performance (COP). At current UK energy prices with electricity at 24.5p/kWh and gas at 6.4p/kWh, a well-installed heat pump costs approximately the same […]
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.
Over 3 million UK flats could be technically suitable for a heat pump, according to a 2024 DESNZ analysis. An estimated 55% of flats in England are technically suitable for heat pump installation, according to a 2024 analysis from the Department for Energy Security and Net Zero (DESNZ) Heat Pump Ready programme (DESNZ, 2024). This […]
A typical air source heat pump costs £7,000–£13,000 installed, with a 7–10 year payback on gas savings If you are thinking about a heat pump but worry your garden is too small, the first question is usually about cost. The upfront price for an air source heat pump installed in a typical four-bedroom home ranges […]
Are you weighing up whether to install a heat pump or stick with a gas boiler? The decision often comes down to cost over the long term. Quick Answer A heat pump saves £2,000-£4,000 over 10 years vs a gas boiler (DESNZ 2026). This assumes a well-insulated home and the £7,500 Boiler Upgrade Scheme grant. […]
Switching from Oil to a Heat Pump Saves an Average of £615 per Year on Heating Costs For homes in the UK that rely on oil heating, the annual cost of keeping warm has become a significant household expense. The Energy Saving Trust’s 2026 data provides a clear financial argument for switching to a heat […]
Heat pumps are generally reliable, but most problems stem from a small set of common causes Heat pumps are a relatively new technology for many UK homeowners, and it is natural to worry when something appears to go wrong. However, the vast majority of problems are simple to diagnose and often do not require a […]
Air source and ground source heat pumps both qualify for the £7,500 Boiler Upgrade Scheme grant in 2026 If you are considering replacing a gas or oil boiler with a heat pump, the most immediate question is often about cost. The Boiler Upgrade Scheme (BUS) in England and Wales offers a flat £7,500 grant for […]
