Maintenance planning tool
Oil Boiler Service Cost Calculator
Estimate your annual servicing budget, monthly allowance, and five-year oil boiler maintenance cost.
Oil Boiler Service Cost Calculator
Estimate annual servicing, parts, and maintenance buffers.
Add fuel-care savings to the service budget
Estimate whether a kerosene additive could support cleaner running and reduce some maintenance risk between annual services.
When to compare service and replacement costs
If annual repair costs are rising, compare the five-year maintenance estimate with a replacement quote and the running-cost gap against heat pumps or newer oil boilers.
Use qualified technicians
Servicing affects combustion, emissions, safety, and warranty records. Use qualified oil heating engineers for the work.
Track fuel use too
Maintenance is only one part of the bill. Compare it with annual oil use to see the full household heating cost.
Oil boiler servicing FAQs
How often should an oil boiler be serviced?+
Most oil boilers should be serviced annually. Always follow the manufacturer's instructions and use a qualified technician for safety-critical work.
What should I budget for oil boiler maintenance?+
A typical household should budget for an annual service plus filters, nozzles, tank checks and a small breakdown allowance. Older boilers usually need a larger maintenance buffer.