How much does it cost to install central heating in [Location]?

A new central heating system typically costs __£4,000 - £6,000 for a 3-bed house__ in [Location], including boiler, pipework, radiators and labour. For a smaller 2-bed house, expect __£3,000 - £4,500__.

How much does it cost to run central heating for 1 hour in the UK?

- __Mains gas__ costs ~7p per kWh (£945 per year on average). - __Electric heating__ costs ~27p per kWh (£3,645 per year on average). Actual costs vary depending on your tariff and insulation.

How much does it cost to power flush central heating?

Between __£300 and £700__, depending on system size and location. Flushing removes sludge build-up and can improve system efficiency.

What’s involved in draining a central heating system?

It involves switching off your boiler, isolating the water supply, releasing pressure and emptying the system via a drain valve. It’s often best done by a heating engineer.

Do I need a Gas Safe engineer for central heating?

Yes, for any gas work. Always check their ID or search the [Gas Safe Register](https://www.gassaferegister.co.uk/). Read our guide to finding a gas safe engineer [here](https://www.checkatrade.com/blog/hiring-guides/gas-engineer/).

Is it cheaper to install electric central heating?

Installation costs may be lower, but electric systems cost more to run. It’s worth comparing long-term efficiency and your energy tariff.

Can I get help choosing the most efficient radiators for gas central heating?

Yes. Our engineers can provide guidance on radiator types and placements. Top-rated efficient radiators include models from Stelrad, Myson and Quinn.

How long does it take to install central heating in a house?

It usually takes __2 to 5 days__ to install a full central heating system, depending on the size of your property and the complexity of the job. A 2 bed flat might take __2 days__, while a 4 bed house could take up to a __week__.

Do I need planning permission to install central heating?

No, in most cases you won’t need planning permission. But if you live in a listed building or conservation area, it’s best to check with your local council first.

What’s the difference between a power flush and a chemical flush?

A power flush uses high pressure water and chemicals to clear sludge and rust from your heating system. A chemical flush is gentler, using cleaning chemicals only. Power flushes are more effective for heavily blocked systems.

Can central heating be installed in older homes?

Yes, central heating can be installed in older or period properties. An engineer will assess your home’s layout, insulation and pipework to design a system that works efficiently and safely.

Is it worth upgrading an old central heating system?

Yes. Modern systems are far more efficient, which can reduce your energy bills and carbon footprint. Plus, newer boilers and controls are easier to maintain and often come with better warranties.

How often should I service my central heating system?

It’s a good idea to service your central heating once a year. An annual service keeps your system safe, efficient, and helps spot small issues before they turn into bigger, pricier problems.

Can you move your radiator when you upgrade your central heating?

Yes. A heating engineer can reposition radiators to improve heat distribution or free up wall space. It’s usually done during an upgrade or installation to minimise disruption.

What type of central heating is best for a small home?

For flats or smaller houses, an electric or combi boiler system is often the most efficient choice. They take up less space and can provide heating and hot water on demand without the need for a large tank.

How do you know if your central heating system needs flushing?

There are a few tell-tale signs: - Cold spots on your radiators (especially at the bottom) - Radiators taking longer than usual to heat up - Noisy boiler or gurgling pipes - Discoloured water when you bleed a radiator - Heating system breaking down more often than usual If you notice these issues, it’s worth getting a heating engineer to check whether a chemical flush or power flush is needed.

How do I find a certified professional for gas appliance servicing?

It is a legal requirement for tradespeople working with gas to be certified. You can check certification status through the Gas Safe Register, and also via Checkatrade, as certification in this area gets included in our regular checks and you can find the accreditation on their member profile page.

Central Heating in Greater London (74)

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SERVICETEAM
9.45
(1769 reviews)
Operates in London
Services & skills
Central Heating
Gas Boiler Installation
Gas Boiler Servicing / Repair
Gas Central Heating Servicing / Repair
Gas Central Heating Installation
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Mizzen Heating And Plumbing
9.69
(386 reviews)
Operates in London
Services & skills
Central Heating
Gas Boiler Installation
Gas Central Heating Installation
Gas Cooker Installation
LPG Central Heating Servicing / Repair
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Mayfair Plumbers
9.07
(677 reviews)
Operates in London
Services & skills
Central Heating
Gas Boiler Servicing / Repair
Gas Central Heating Installation
Gas Safety Checks - CP12
Gas Cooker Installation
Call
Sponsored
Heating Heroes London Limited
9.90
(30 reviews)
Operates in London
Services & skills
Central Heating
Air Source Heat Pump Servicing / Repair - ASHP
LPG Central Heating Servicing / Repair
Gas Safety Checks - CP12
Ground Source Heat Pump Servicing / Repair - GSHP
Latest verified customer review
10.0
“They were really helpful and the whole process was very smooth and easy.”
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0800 Homefix Ltd
9.14
(4375 reviews)
Operates in London
Services & skills
Central Heating
Gas Boiler Servicing / Repair
Gas Central Heating Servicing / Repair
Emergency Central Heating Repair
Gas Safety Checks - CP12
Call
Logical Heating & Plumbing Solutions Ltd
9.61
(1074 reviews)
Operates in London
Services & skills
Central Heating
Gas Boiler Installation
Smart Thermostats
Gas Safety Checks - CP12
Emergency Central Heating Repair
Call
AZ Plumbing Contractors Ltd
10.00
(251 reviews)
Operates in London
Services & skills
Central Heating
Air Source Heat Pump Installation - ASHP
Ground Source Heat Pump Servicing / Repair - GSHP
Ground Source Heat Pump Installation - GSHP
Emergency Central Heating Repair
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FASTFIX LONDON Ltd
9.51
(375 reviews)
Operates in London
Services & skills
Central Heating
Emergency Central Heating Repair
Gas Boiler Servicing / Repair
Gas Boiler Installation
Smart Thermostats
Call
AIROXA Services
9.95
(13 reviews)
Operates in London
Services & skills
Central Heating
Emergency Central Heating Repair
Gas Boiler Installation
Gas Boiler Servicing / Repair
Gas Safety Checks - CP12
Call
Daly Heating London
9.98
(124 reviews)
Operates in London
Services & skills
Central Heating
Emergency Central Heating Repair
Gas Boiler Installation
Gas Boiler Servicing / Repair
Gas Safety Checks - CP12
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Certified Landlords Ltd
10.00
(8 reviews)
Operates in London
Services & skills
Central Heating
Gas Boiler Installation
Gas Central Heating Installation
Gas Safety Checks - CP12
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London Heat Engineers Ltd
10.00
(148 reviews)
Operates in London
Services & skills
Central Heating
Gas Boiler Installation
Gas Safety Checks - CP12
Air Source Heat Pump Servicing / Repair - ASHP
Ground Source Heat Pump Servicing / Repair - GSHP
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Top rated Central Heatings in London

/10

2.4K ratings

Our Central Heatings in London are rated an average of 9 out of 10 based on a sample of 2431 reviews from customers like you*

*This review aggregate is based on real customer reviews from a randomly selected postcode in this area

Central heating engineers in London

Looking for central heating installation or repairs in London? We’ll help you find the right central heating engineer near you, without the guesswork.

With Checkatrade, you can compare central heating engineers in London, read reviews, see credentials, and even post a job for free. From fixing a leak to installing a full system, get it sorted by a checked tradesperson who's committed to quality.

What to expect from hiring a central heating engineer in London

From quick fixes to full installations, here’s what you can typically expect.

Popular central heating services in London include:

Central heating installation (gas, electric, oil)
Boiler servicing and repairs
Radiator replacement
Central heating flush or power flush
Leak detection and repairs

Average central heating costs in London:

Gas boiler service: £80 - £120
Electric combi boiler service: £70 - £100
Central heating installation (2-bed house): £3,000 - £4,500
Central heating installation (3-bed house): £4,000 - £6,000
Power flush: £300 - £700

What's included in a typical quote:

Labour costs
Materials (e.g. radiators, pipes)
Boiler unit (if installing)
Removal of old system
Testing and certification

Enter your postcode to find checked central heating services in your area.

What to check for from a central heating company in London

Gas Safe registration (for gas work)
Public Liability Insurance
Clear quote breakdown
Reviews and customer ratings

Timeframes for common central heating jobs

Boiler service: 1-2 hours
Power flush: Half to full day
Full installation: 2-5 days

Central heating in London: Homeowners vs renters

Homeowners:

You're responsible for installing, maintaining, or upgrading your system
Keep records of servicing for warranty and safety
If selling, boiler certificates may be required

Renters:

Heating issues should be reported to your landlord or letting agent
They’re responsible for repairs and safety checks
Emergencies (like no heating in winter) must be resolved quickly by law

If you're unsure, contact Citizens Advice or your local council for guidance.

Emergency central heating help in London

When things go wrong, fast action matters. These are common urgent problems:

No heating or hot water
Boiler leaking or making loud noises
Sudden pressure loss
Faulty thermostats or radiators
Carbon monoxide warning alarm triggered

Find a central heating engineer in London for the job you need

Full central heating installations
Power flushing and radiator flushing
Emergency boiler repair
Boiler upgrades or replacements
Radiator fitting and valve replacements
Leak detection
System diagnostics

You can also use our Post a Job tool to let heating engineers come to you.

Looking for more tradespeople in London?

Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in London and check out our latest home improvement guides.

Central Heating in Greater London (74)

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Rapid Response Plumbing & Heating

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0800 Homefix Ltd

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Talis Heating Solutions

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Heating Heroes London Limited

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SERVICETEAM

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Mizzen Heating And Plumbing

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FASTFIX LONDON Ltd

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GB Plumbing Experts

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Mayfair Plumbers

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SERVICETEAM

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Mizzen Heating And Plumbing

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Mayfair Plumbers

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Heating Heroes London Limited

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0800 Homefix Ltd

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Logical Heating & Plumbing Solutions Ltd

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AZ Plumbing Contractors Ltd

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FASTFIX LONDON Ltd

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AIROXA Services

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Daly Heating London

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Certified Landlords Ltd

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London Heat Engineers Ltd

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Central heating engineers in London

What to expect from hiring a central heating engineer in London

Average central heating costs in London:

What's included in a typical quote:

What to check for from a central heating company in London

Timeframes for common central heating jobs

Central heating in London: Homeowners vs renters

Emergency central heating help in London

Find a central heating engineer in London for the job you need

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