Typical costs
A full central heating system includes a boiler (or heat pump), radiators, pipework, controls and – if needed – a gas supply.
| Property | Typical cost |
|---|---|
| 1–2 bed flat | £4,000 – £6,000 |
| 2–3 bed house | £5,000 – £8,000 |
| 4 bed house | £7,000 – £10,000 |
| New gas connection (if needed) | £500 – £2,500+ |
Indicative costs to install gas central heating from scratch (2026)
What's included
Making good after floorboards are lifted is often extra.
- Boiler supply and installation
- Radiators and valves in each room
- Pipework throughout
- Controls – thermostat, programmer, TRVs
- Flue and condensate
- Commissioning and registration
Gas or heat pump?
If your home isn't connected to gas, a heat pump may be a better option than paying for a new gas connection. In England and Wales, the Boiler Upgrade Scheme currently offers £7,500 towards an air source heat pump. See cheapest way to heat a house without gas.
Need a heating engineer?
Describe the job and compare free quotes from local heating engineers near you.
Free and no obligation. Quote requests are handled by our partner, Bark.
How long does it take?
A typical installation takes five to ten working days. See how long it takes to install central heating.
Replacing storage heaters
Many homes adding central heating are replacing old storage heaters. See replacing storage heaters. Get quotes from local heating engineers.
