Boiler Installation & Replacement
Professional installation and replacement of A-rated combi, system and heat-only boilers, including boiler conversions and heating system upgrades. Manufacturer warranties available depending on the boiler selected.
Gas Safe Registered heating and plumbing engineer (Registration No. 653502) and Checkatrade Verified Member. From rapid boiler repairs to complete boiler installations and unvented hot water cylinder solutions.
Click on any service below to explore full details, diagnostic approaches, equipment specifications, and clear warranty information.
Professional installation and replacement of A-rated combi, system and heat-only boilers, including boiler conversions and heating system upgrades. Manufacturer warranties available depending on the boiler selected.
Fault finding and repairs across a wide range of boiler makes and models, including pressure loss, leaks, fault codes, and no heating or hot water.
Annual boiler servicing, from routine maintenance to full strip-down servicing where required. We assess boiler condition, combustion readings and service history, following the manufacturer's instructions.
G3-qualified installation, replacement, servicing and repair of vented and unvented hot water cylinders, including Megaflo systems, expansion vessels, safety controls and hot water faults.
Illustrative controls, not a photograph of OnTime completed work. No manufacturer endorsement.
Central heating installations, upgrades and repairs, including radiators, pipework, TRVs, motorised valves, S-plan zoning and smart heating controls from Hive, tado°, Drayton and Honeywell Home.
We assess your heating system before recommending the most suitable cleaning method. Power flushing helps remove accumulated sludge and magnetite to improve circulation and heating performance. The results achievable depend on the condition of the system.
Your inspection findings are documented in a digital landlord gas safety record (CP12), which is emailed to you following completion of the inspection.
From burst pipes and water leaks to tap replacements, toilet cistern repairs, stopcocks, and general domestic plumbing repairs.
For urgent boiler breakdowns or loss of heating or hot water, call us to discuss the fault and our next available appointment. Same-day attendance may be available, depending on existing bookings.
Illustrative example of a wet underfloor heating installation. (Not a photograph of OnTime completed work.)
Wet underfloor heating installation for residential properties, including heating pipework, manifolds, zoning controls and integration with suitable boiler and central heating systems.
Every property is unique. As an independent Gas Safe registered heating engineer, I offer impartial, manufacturer-neutral advice across Bromley, Chislehurst, Greenwich, and surrounding areas. We assess your hot water demand and heating system to recommend the ideal solution.
Speak directly with a Gas Safe registered engineer on 020 3633 1122. No call centres and no pushy sales.