Fully Gas Safe Registered • Professional and Reliable • Fully Insured
Keep your boiler running safely and efficiently with expert servicing and certified Gas Safety inspections across West London and surrounding areas.

BOILER SERVICE
Regular boiler servicing helps prevent breakdowns, improve efficiency, and extend the lifespan of your heating system. Our Gas Safe registered engineers carry out thorough inspections to ensure your boiler is operating safely and correctly.
What’s Included in a Boiler Service:
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Full visual safety inspection
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Flue and ventilation checks
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Gas pressure and flow testing
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Internal component cleaning and inspection
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Leak and safety device checks
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Performance and efficiency testing
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Regular servicing not only keeps your home warm but can also help maintain your manufacturer warranty.
What’s Included in a Boiler Service:
-
Full visual safety inspection
-
Flue and ventilation checks
-
Gas pressure and flow testing
-
Internal component cleaning and inspection
-
Leak and safety device checks
-
Performance and efficiency testing
-
Regular servicing not only keeps your home warm but can also help maintain your manufacturer warranty.

LANDLORD GAS SAFETY CHECK
We provide certified landlord Gas Safety inspections for rental properties, ensuring compliance with UK regulations.
Our Gas Safety Checks Include:
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Inspection of all gas appliances
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Pipework and flue checks
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Carbon monoxide safety checks
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Issuing of CP12 Gas Safety Certificate
We work with landlords and property managers to provide reliable, prompt certification with clear documentation.
Why Is Boiler Servicing Important?
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Reduces the risk of breakdowns
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Improves energy efficiency
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Lowers long-term repair costs
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Ensures safe operation
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Keeps your home legally compliant (for landlords)
Annual servicing is recommended to keep your heating system in top condition.
Why Choose McQuless Maintenance?

✔ Expert boiler installation, replacement, and servicing.
✔ Up to 10-year manufacturer warranty on new boilers.
✔ Fast, reliable service tailored to your home.
✔ Clear, upfront pricing with no hidden fees.
✔ Friendly, reliable service with clear communication every step of the way.
✔ Family-run team of insured and qualified engineers serving West London and surrounding areas.
Frequently Asked Questions
Yes. All work is carried out by fully Gas Safe registered engineers for your safety and peace of mind.
We recommend servicing your boiler once a year to ensure it operates safely, efficiently, and in line with manufacturer guidelines.
Every 12 months. The certificate is valid for one year from the date of inspection.
No. A Gas Safety check ensures appliances are legally compliant and safe. A boiler service is a more detailed inspection of the boiler’s internal components and performance.
A full boiler service includes a visual inspection, flue and ventilation checks, gas pressure testing, internal component inspection and cleaning, safety device checks, leak detection, and performance testing to ensure safe operation.
The inspection includes checks on all gas appliances, pipework, flues, ventilation, gas pressure, and carbon monoxide safety. A CP12 certificate is issued once the property meets safety standards.
Most boiler services take between 45–60 minutes, depending on the boiler type and condition.
Most inspections take around 30–60 minutes, depending on the number of appliances in the property.
A well-maintained boiler runs more efficiently, which can help reduce energy waste and potentially lower heating costs.
Yes, we send annual reminders to help ensure your boiler remains safe and compliant.
Arears We Cover
We proudly provide boiler installations, servicing, and heating repairs across West London and surrounding areas, including:
This includes areas such as Ealing, Acton, Greenford, Northolt, Southall, Wembley, Park Royal, Harlesden, Hounslow, Isleworth, Brentford, Uxbridge, Hayes, and West Drayton, Harrow and more.
If you’re unsure whether we cover your location, feel free to get in touch — our friendly team will be happy to help.

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Sarah L - Greenford
“Quick response and professional installation. No pressure, just honest advice and a smooth job from start to finish.”
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Daniel R - Acton
“Old boiler replaced in a day. Clean work, fair price and everything explained clearly. Very happy with the service.”
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Priya S - Greenford
“Combi boiler swap completed with no mess and no issues. Turned up on time and stuck to the quote.”
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Mark T - Ealing Broadway
“Reliable and easy to deal with. Boiler installed efficiently and registered under warranty straight away.”

