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Swindon · Wiltshire
Annual Boiler Service in Swindon: What Happens and What It Costs
An annual service is the cheapest boiler money you will ever spend. It keeps the manufacturer warranty valid, catches faults before they become breakdowns, and — most importantly — checks that the boiler is not producing carbon monoxide.
What a proper service includes
- Flue and case inspection, and a check of the flue gas analyser readings against manufacturer limits.
- Heat exchanger, burner and ignition checks and cleaning where needed.
- Gas pressure and flow checks.
- Seals, pipework and expansion vessel inspection.
- A written record of the checks.
Typical costs
| Service type | Indicative range (UK, 2026) |
|---|---|
| Annual boiler service | £60–£120 |
| Service plus small repair | £120–£250 |
| One-off breakdown call-out + diagnosis | £80–£150, then parts |
These are indicative public ranges, not quotes. Actual Swindon prices vary by boiler type, access and time of year; always get a written figure before work begins.
When to book
Late summer and early autumn are the quiet season for heating engineers in Wiltshire. Booking then means faster appointments and lower risk of the January queue. Landlords should align servicing with the annual gas safety check to save a visit — but note the two documents are not the same thing (see our CP12 explainer on the Northampton site applies equally to Swindon landlords).