Full Annual Service
Complete Gas Safe boiler service including flue inspection, combustion analysis, heat exchanger check, and safety device testing.
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Annual Gas Safe boiler servicing across Llanishen and the surrounding areas. Keep your boiler running efficiently, your warranty valid, and your home safe with a professional service.
Reliable, professional service across Llanishen and the surrounding areas. Gas Safe registered engineers and experienced tradespeople you can trust.
Complete Gas Safe boiler service including flue inspection, combustion analysis, heat exchanger check, and safety device testing.
Book ServiceAnnual servicing by a Gas Safe engineer is required by most boiler manufacturers to keep your warranty valid — we issue a signed service record.
Book NowWe measure combustion efficiency and advise on settings adjustments that can reduce your gas bills without affecting comfort.
Save on BillsOur service includes CO detector checks and flue integrity testing — the most important safety check for any gas appliance.
Stay SafeSmall fixes included where possible — pressure top-ups, thermostat calibration, and system inhibitor top-ups at no extra charge.
Book TodayFull written service report provided on the day. Useful for landlord compliance, insurance, and warranty claims.
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See why homeowners across Llanishen and the surrounding areas choose Cardiff & Caerphilly Plumbers.
"Boiler repair done same day. Engineer arrived, diagnosed the issue, had the part in the van, and fixed it in under two hours."
"Very happy with the bathroom fitting. Great attention to detail and kept us informed at every stage."
"Drain unblocked quickly and at a reasonable price. Would not hesitate to use Cardiff Plumbers again."
Our engineers are stationed locally for rapid response across Llanishen and the surrounding areas.
We cover Cardiff, Caerphilly, and all surrounding areas. Select your location for a dedicated local page.