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Boiler care

Looking after your boiler

Straightforward advice on servicing and everyday boiler maintenance — no subscription plans, no scare tactics.

Why annual servicing matters

A yearly service is a chance to check the appliance is operating safely and to pick up wear before it turns into a breakdown. It also keeps you in line with most manufacturer warranty conditions and, for rental properties, sits alongside the annual gas safety inspection.

Common signs a boiler needs attention

Hot water that comes and goes, radiators that stay cool at the top or bottom, banging or kettling noises, a pressure gauge that keeps dropping, repeated lockouts or a fault code on the display are all worth looking at rather than ignoring.

How to check pressure safely

Most sealed systems sit around 1 to 1.5 bar when cold. If yours reads well below that, the boiler manual will show the filling loop and the correct procedure. Top up slowly, watch the gauge and stop at the recommended level. If the pressure keeps falling week after week, there is usually a leak or an expansion vessel issue that needs looking at.

When to call a Gas Safe engineer

Call straight away if you smell gas, see sooting or staining around an appliance, or a carbon monoxide alarm sounds — and contact the National Gas Emergency Service on 0800 111 999 in a gas emergency. For faults, lockouts, leaks and anything behind the boiler casing, book a Gas Safe registered engineer rather than attempting a repair.

Preparing for a service visit

Clear access to the boiler and any cupboards around it, have the appliance manual and previous service records to hand if you have them, and make a note of anything you have noticed since the last visit. It makes the appointment quicker and the findings more useful.

Boiler brands we commonly work on

We regularly work on the domestic boilers found in West London homes, including Worcester Bosch, Vaillant, Ideal, Baxi, Glow-worm and Potterton appliances. Experience with a brand is not the same as approved installer status, and we do not claim to hold it.

FAQ

Common questions

Book a boiler service

Send your postcode and appliance details through the quote form, or call to arrange a suitable appointment.

Monday–Friday, 8:00am–6:00pm. No emergency or out-of-hours call-out service.