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Oil Boiler Advice and Guides

Straight answers on oil boiler servicing, repairs and regulations from OFTEC registered engineers. Every article lists its sources.

Oil burner removed and resting on the floor during a service, with the boiler cabinet open and a vacuum hose ready for cleaning

What Happens at an Oil Boiler Service? A Homeowner's Guide

What an oil boiler service covers, according to OFTEC and the manufacturers: cleaning, nozzle and filter changes, fuel and tank checks, and your service record.

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Oil boiler with its front panel removed, being tested with a combustion analyser

How Efficient Must a New Oil Boiler Be? Part L Explained

The building regulations rules for replacing an oil boiler in England: the 91% and 86% minimum efficiencies, the controls you need, and who signs off the work.

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Red lockout reset button lit on the oil burner inside a floor-standing oil boiler

Oil Boiler Warning Signs: What They Mean and What to Do

Lockout lights, oil smells, leaks, odd noises and pressure problems: what each oil boiler warning sign means, the safe checks you can make, and when to call.

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Carbon monoxide alarm on a utility room ceiling near a floor-standing oil boiler

Carbon Monoxide Alarms and Oil Boilers: What the Rules Say

Do you need a carbon monoxide alarm with an oil boiler? What the rules say for new installations and rented homes, which alarm to fit and where it should go.

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Oil boiler in a farmhouse utility room with a window looking out over fields

The 2035 Oil Boiler Ban: What Is Actually Law?

Is there a ban on oil boilers in 2035? What was announced, what the government says now, and why you can still replace an oil boiler with a new one today.

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Hand turning down a thermostatic radiator valve on a radiator in a living room

How to Cut the Cost of Heating Your Home With Oil

Practical ways to cut oil heating costs: when and how to buy oil, using your heating controls, keeping the boiler efficient, and what the savings really are.

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Engineer's gloved hands replacing the oil filter on an oil boiler's supply line

Do I Legally Have to Service My Oil Boiler?

No UK law makes homeowners service an oil boiler every year. Here's what the rules say, what landlords must do, and why guarantees and insurers still expect it.

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