Annual boiler service to keep your heating system running safely and efficiently. We check all components and provide certification for peace of mind.

5 out of 5 stars
Book my boiler service with Renzy every year. They're thorough, punctual, and always explain what they've checked. Great to have the peace of mind that everything's running safely.
Regular boiler servicing is essential for safety, efficiency, and reliability. Our comprehensive service checks all safety devices, optimises performance, and identifies potential issues before they become expensive problems. Just £120 for a complete boiler service.
Complete boiler service for just £120 - our fixed price winter special includes all safety checks, efficiency optimisation, and certification.
We test all safety devices, check for gas leaks, and ensure your boiler operates within safe parameters, providing you with complete peace of mind.
Our service includes cleaning key components and adjusting settings to ensure your boiler runs at peak efficiency, helping reduce your energy bills.
You'll receive a detailed service report and gas safety certificate, essential for insurance claims and landlord requirements.

Our Gas Safe engineers provide fast, reliable service across these London areas
We recommend annual boiler servicing to maintain safety, efficiency, and warranty coverage. Regular servicing can prevent breakdowns, extend your boiler's lifespan, and is often required to maintain manufacturer warranties.
Our comprehensive service includes checking all safety devices, testing gas pressure and flow rates, inspecting the heat exchanger, cleaning key components, checking controls and thermostats, and testing the flue and ventilation — plus a detailed service report and certification.
Yes, our engineers are trained to spot early signs of wear or potential issues. We'll advise you of any concerns and provide recommendations for repairs or replacements before problems become serious.
Whilst landlords are legally required to have an annual gas safety check, boiler servicing is also recommended to maintain efficiency and prevent breakdowns. We provide gas safety certificates and can arrange regular servicing schedules for multiple properties.
Yes, our Gas Safe engineers are qualified to service all major boiler brands including Worcester Bosch, Vaillant, Baxi, Ideal, and others. We carry common service parts and can advise on any brand-specific requirements.