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From annual boiler servicing and repairs to complete heating installations, explore Keystone London's services and find the right support for your property.
Annual boiler servicing, fault diagnosis and professional repairs to help keep your heating and hot water working.
Explore serviceNew boiler installations and replacements, with suitable equipment selected around your property's heating and hot water requirements.
Explore serviceComplete central heating systems, radiators, pipework and controls designed around your property and heating requirements.
Explore serviceUnderfloor heating installation for renovations, extensions and new heating systems, planned around your rooms and floor construction.
Explore serviceInstallation and replacement of vented and unvented hot water cylinders to suit your property's hot water demand.
Explore serviceHeating system cleaning to help remove sludge, improve circulation and address radiators that aren't heating evenly.
Explore serviceWhether your boiler needs its annual service, has developed a fault or is approaching the end of its working life, Keystone London can help you understand the next step.
Losing pressure, struggling to ignite or not heating properly? Explore common boiler symptoms and learn what might be causing the problem.
Choosing the right company matters, whether you're arranging a routine boiler service or planning a heating installation. Keystone London combines technical expertise with clear communication and a professional approach to every job.
Gas appliance work carried out by appropriately qualified, registered engineers.
Straightforward explanations of the work required, available options and associated costs.
A considered approach to servicing, repairs and installation, from assessment to completion.
From your first enquiry to the completed work, we keep the process clear and straightforward. The exact steps depend on whether you need a service, repair or new installation.
Contact us about your boiler, heating system or planned installation. We'll discuss the issue or project and arrange the next step.
Our engineer assesses the work required, explains the findings and discusses suitable options where needed.
We carry out the agreed servicing, repair or installation with attention to safety and workmanship.
We complete the relevant checks, explain any important findings and provide applicable documentation.
Whether it's routine maintenance, a boiler fault or a planned heating upgrade, tell us how we can help.
We provide fast, reliable plumbing and heating services across South West and Central London, covering both residential and commercial properties.
Looking for a local heating engineer? Choose a service below to explore Keystone London's dedicated pages across West, South West and Central London.
Explore local boiler replacement and installation services.
Find local boiler servicing and repair information.
Find professional heating system and radiator powerflushing services.
Explore local hot water cylinder installation and replacement services.
Find local Gas Safe checks and landlord CP12 certificate services.
Answers to common questions about boiler servicing, repairs, installations and heating systems across London.
Tell us about your boiler or heating system and we'll help you understand the next step.
Ask Our TeamMost boilers should be serviced annually. Regular servicing helps identify developing faults, check safe operation and maintain performance. It may also be required to keep the manufacturer's warranty valid.
Explore boiler servicingKeystone London's standard boiler service costs £120 + VAT. Repairs or additional work may be quoted separately following an assessment.
Book a boiler serviceYes. Keystone London provides emergency boiler repair services across its London coverage area. Response times and appointments depend on engineer availability and location.
Emergency boiler repairsThis depends on your boiler's age, condition, reliability and repair costs. Minor faults may be economical to repair, while repeated breakdowns or expensive component failures can make replacement worth considering.
Explore boiler installationOur team can advise on boilers from brands including Worcester Bosch, Vaillant, Ideal, Baxi, Glow-worm and Viessmann. Providing the make, model and any fault code helps us understand your enquiry.
Browse boiler fault codesYes. We provide heating design and installation, including boilers, radiators, pipework and heating controls. Recommendations depend on the property's layout, existing equipment and heating requirements.
Heating design and installationCommon causes include trapped air, sludge, circulation issues and faulty radiator valves. Powerflushing can help with certain sludge-related problems, but the cause should be diagnosed first.
Read our radiator guideLandlords must arrange annual gas safety checks for applicable appliances and flues in properties covered by the relevant regulations. Checks must be completed by a suitably qualified Gas Safe registered engineer.
Gas safety certificatesFrom annual boiler servicing and unexpected breakdowns to new installations and complete heating upgrades, we're here to help you find the right next step.
