Boiler Repairs and Annual
Servicing in Harrow
Our knowledgeable and friendly team is here to assist with annual boiler
service and boiler repairs in Harrow and surrounding areas. Reach out today to
schedule our boiler services.
Why its important to get
your boiler serviced in Harrow.
- Safety: A well-maintained boiler operates safely, minimising the risk of carbon monoxide leaks. During a service, engineers can detect and address any potential safety issues, ensuring your peace of mind.
- Efficiency: A serviced boiler operates more efficiently, consuming less energy to heat your home. This can lead to lower energy bills and reduced carbon emissions.
- Reliability: Regular servicing helps identify and address minor issues before they escalate into major breakdowns. By catching problems early, you can avoid unexpected and costly repairs, as well as ensuring that your boiler operates reliably when you need it most.
- Warranty Compliance: Many boiler warranties require annual servicing to remain valid. Skipping regular servicing could void your warranty, leaving you responsible for the full cost of any repairs or replacements.
- Extended Lifespan: Just like any other appliance, proper maintenance can prolong the lifespan of your boiler. By servicing your boiler annually, you can help ensure it continues to operate efficiently and reliably for years to come.

We offer
flexible appointments
in Harrow
We can work around you. If you need to move your
appointment let us know and we can rearrange for
a time that suits you.

Boiler Repairs in Harrow
Experiencing issues with your boiler? Rest assured, our team can promptly diagnose and repair any problem with your boiler or heating system.
We use quality components, and all repairs are conducted by our skilled Heating Engineers. It is worth noting that experts recommend replacing your boiler every ten years, as efficiency tends to decline after this point.
Considering a new boiler? Walsh Plumbing & Heating offers installation services, complete supply and install with up to a 12-year guarantee, ensuring total peace of mind for your investment.
We are
Gas Safe
registered
Walsh Plumbing & Heating takes gas safety seriously.
All of our engineers are fully registered with Gas Safe.
If you would like to find out more about Gas Safe Register you can call 0800 408 5500 or visit the Gas Safe Register website

Frequently Asked Questions
If your boiler is struggling to maintain water pressure, makes strange noises, or your radiators aren’t heating properly, it may need repairs. In cases where repairs are frequent or the boiler is old, a boiler replacement with a more efficient model might be the best solution.
A combi boiler can lose water pressure due to leaks in the system, a faulty pressure valve, or issues with the central heating. It’s essential to have a qualified boiler fitter inspect the system to determine the cause and perform necessary repairs.
We service and install a wide range of boiler brands, including GlowWorm, Vaillant, and Worcester Bosch. Whether you need a repair, boiler installation, or a complete heating installation, our expert team is here to help.
Yes, issues with your central heating system, such as cold radiators or poor heating efficiency, can often be repaired without a full boiler replacement. Our engineers will assess the problem and recommend repairs or, if needed, upgrades to your system.
A leaking boiler can indicate various problems, such as damaged seals or poor water pressure regulation. It’s important to call a Gas Safe fitter to address the leak quickly and prevent further damage to your central heating system or home.
We cover all parts of Harrow, including Harrow-on-the-Hill, Wealdstone, Headstone, Roxeth, Marlborough, Greenhill and West Harrow.
Yes, we also serve nearby areas such as Pinner, Northwood, Ruislip, Bushey and Watford. If you’re unsure, just ask and we’ll confirm.
As a local Harrow team, we offer fast call-outs and prioritise urgent repairs to get your heating and hot water back quickly.
Our main focus is Harrow and surrounding towns, but we often work across wider North West London too. Get in touch to check availability.
Don’t see your area listed?
No problem – contact us and we’ll let you know if we can cover your location.
- No hot water
- Cold radiators
- Low water pressure
- Banging noises
- Unpleasant smell
- Gas bills higher than normal
- Radiator takes ages to start working
- You keep having to reset the boiler a lot
Yes – alongside boiler servicing and repairs, we also provide a full range of plumbing and heating solutions. This includes air conditioning installation and maintenance, as well as general plumbing jobs such as leak repairs, pipework, bathrooms and more. Whatever your heating or plumbing needs, our experienced engineers are here to help.
