Annual boiler service.
Searching for boiler service near me in Dartford or Kent? Our Gas Safe central heating engineers keep your gas boiler running safely with annual boiler maintenance and boiler cover — protecting your warranty and catching problems early.
From £79 or £8.99/month
What happens during a service?
Watch our Gas Safe engineer carry out a full boiler service — every check, every step.
Every service is carried out by our Gas Safe registered engineers to the highest standard.
Comprehensive 15-point inspection
Every boiler service follows our rigorous 15-point diagnostic protocol.
Combustion Analysis
We test gas pressure, flue emissions, and combustion ratios to ensure your boiler burns safely and efficiently.
Visual Inspection
Thorough check of all components, seals, connections, and pipework for signs of wear or potential issues.
Performance Check
We measure flow rates, pressure levels, and heating output to ensure optimal performance.
Safety Verification
Full carbon monoxide and gas leak testing to ensure your home is completely safe.
Early Warning Report
Detailed report highlighting any components that may need attention before they become problems.
Service Certificate
Official service record to maintain your manufacturer warranty and provide proof of maintenance.
Service plans that fit
Choose one-off or ongoing care for complete peace of mind.
One-Off Service
Single annual boiler service
- Full safety inspection
- Combustion analysis
- Performance testing
- Digital service report
- Gas Safe certificate
Peace of mind — straight from a happy customer
An annual service keeps your boiler safe, efficient, and warranty-protected. Hear why our customers wouldn't skip it.
Annual boiler service completed in under an hour — certificate issued on the day.
Why thousands trust us with their boiler service
3,800+
Services Carried Out
Across Kent
100%
Warranty Maintained
Customers stay covered
55 min
Average Service Time
Efficient & thorough
4.9 ★
Average Review Score
From verified customers
What customers say
"Really thorough service. The engineer went through everything he'd checked and spotted a small pressure issue before it became a problem. Worth every penny for peace of mind."
Rachel N.
Dartford · Jan 2025
"Booked the annual plan — excellent value. Reminder sent automatically, easy to reschedule, engineer arrived on time. Exactly what you want from a service company."
Tom W.
Gravesend · Mar 2025
"Third year using Warren for my boiler service. Always on time, always professional. Digital report is handy for my home insurance records. Highly recommend."
Aisha K.
Swanley · Apr 2025
Service questions
