Boiler servicing · Swansea & area

Boiler Service in Swansea

A proper annual boiler service for Swansea homes, by a Gas Safe registered engineer with a straight 5.0 from 207 Google reviews.

★★★★★ 5.0 from 207 Google reviewsGas Safe registeredBaxi Approved Installer

A boiler service is the cheapest insurance against a cold, expensive winter. A proper one checks combustion, seals, the flue, pressures and the safety devices, and catches the part about to fail before it leaves you without heat. LMB does it that way across Swansea and the surrounding area, with 207 Google reviews at a straight 5.0 behind the work.

Why it is worth doing every year

Most manufacturer warranties require an annual service to stay valid, so skipping one can quietly cost you the cover you paid for. A serviced boiler runs more efficiently too, which shows on the gas bill, and a small fault caught early is a cheap fix rather than a breakdown. For landlords, the service and gas safety certificate can be done in one visit.

LMB covers Swansea, Morriston, Sketty and the surrounding area from the Bridgend side, honest planned coverage. As a Gas Safe registered, Baxi Approved business the service is done to manufacturer standard, and if a boiler is beyond economic service, you get an honest fixed price for replacement, with installations from £1,900.

5.0 from 207 Google reviews

What customers say about the heating work

Quoted verbatim from LMB’s public Google profile. Nothing edited, nothing invented.

5.0
★★★★★
207 Google reviews
Every single review is five stars
5100%
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Read all 207 reviews on Google
CT
Carol Trevelyan
March 2026
★★★★★
Boiler install
Lloyd from LMB Plumbing did a fantastic job with my boiler installation. He was punctual, professional, and explained everything clearly.
KJ
Kieran Jones
April 2026
★★★★★
Lloyd is genuinely a top top plumber. Knows his stuff and has always offered his services at a reasonable price. He has also managed to squeeze us in at short notice.
RB
Rhys Bargery
March 2026
★★★★★
Annual servicePencoed
Thank you LMB for fixing the fault, and servicing my boiler at short notice! Nice to have a reliable plumber local to Pencoed.
From his Google profile, not a stock library

Real jobs, photographed by Lloyd

Lloyd Bargery standing in front of his sign-written LMB Plumbing and Heating van
Lloyd and the LMB van. The engineer who quotes is the engineer who turns up.
Worcester combi boiler installed by Lloyd, dated commissioning sticker visible on the case
A combi install with the dated LMB commissioning sticker on the case.
Full bathroom refit by Lloyd with black towel radiator, vanity unit and walk-in shower
Full bathroom refit: towel radiator, vanity unit and walk-in shower.

Questions people ask

How much is a boiler service in Swansea?

Call or WhatsApp 07712 646488 for a straight price before anything is booked. It can be combined with a landlord gas safety certificate in one visit.

Do you cover Swansea?

Yes, across Swansea and the surrounding area on the western edge of the patch, covered from the Bridgend side as honest planned coverage for heating work.

Will a service keep my warranty valid?

In most cases yes, provided it is done by a Gas Safe registered engineer and recorded. Most manufacturers require an annual service to keep the warranty active.

What if the service finds a fault?

You get an honest assessment. A small fault is a cheap fix; if the boiler is beyond economic repair you can get a fixed replacement price, with new boilers from £1,900.

Service and coverage
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