Glow-worm boiler servicing in Great Dunmow
Glow-worm boilers fitted, serviced and repaired across Great Dunmow. Glow-worm is part of the Vaillant group — strong shared parts availability and a solid budget option for landlord and rental installs. Annual services in Great Dunmow include a full strip-down clean, combustion analysis and a written report — not the 20-minute "quick look" some firms run.
You're not getting a call centre — you're getting Grant.
The same engineer quotes the job, does the work, and answers the phone afterwards if anything's not right.
Gas Safe Registered
Every gas job legally signed off
18+ years on the tools
Grant has been fixing boilers in Harlow since before smart thermostats existed.
Real human on the phone
Most calls answered the same day, often within the hour.
Locally based in Great Dunmow
Not a national chain — your local engineer, your local prices.
Glow-worm boilers fitted, serviced and repaired across Great Dunmow. Glow-worm is part of the Vaillant group — strong shared parts availability and a solid budget option for landlord and rental installs. Annual services in Great Dunmow include a full strip-down clean, combustion analysis and a written report — not the 20-minute "quick look" some firms run.
Why choose us for boiler servicing in Great Dunmow
When you book us for boiler services in Great Dunmow, you get a real, named engineer turning up — not a sub-contractor.
We know the housing in Great Dunmow and what tends to go wrong with it, which means fewer surprises mid-job.
Fixed prices in writing before any work starts. The number you agree is the number you pay.
How we handle boiler servicing in Great Dunmow
Visual inspection
Casing off, flue check, gas tightness, condensate trap inspection.
Combustion analysis
Calibrated combustion analyser readings — checked against manufacturer spec.
Component clean
Burner, condensate trap and key components cleaned to manufacturer guidance.
Written report
Service report you can show your warranty provider or letting agent.
About Great Dunmow
Period centre, rural hamlets, and modern family housing on the periphery.
- Listed property heating compliance
- LPG and oil servicing
- Modern combi installs
What's included
Annual Boiler Service
Full manufacturer-spec service to keep warranties valid.
Learn moreLandlord Gas Safety Certificate (CP12)
Annual CP12 for rental properties — legal requirement for landlords.
Learn moreService + Carbon Monoxide Check
Service combined with CO testing and alarm placement advice.
Learn moreWhat you get when you book us
- Annual reminders so you don't forget
- Written service report supplied
- Calibrated combustion analyser used on every service
- CP12 landlord certificates available
- Warranty paperwork preserved
Quick answers on boiler servicing in Great Dunmow
Are Glow-worm and Vaillant the same?▾
Same parent group, often shared componentry, but Glow-worm sits at a lower price point with shorter warranties. Good value for rental properties.
How often should a boiler be serviced?▾
Once a year. It's almost always required to keep the manufacturer's warranty valid, and it catches small issues before they become breakdowns.
How long does a service take?▾
Usually 45–60 minutes for a domestic boiler in normal condition.
Related services in Great Dunmow
Boiler installs in Great Dunmow
Worcester, Vaillant, Ideal and Glow-worm boilers fitted by Gas Safe registered engineers — sized properly, fitted neatly, and backed by manufacturer warranties of up to 12 years.
Boiler repairs in Great Dunmow
No heating or hot water? We respond fast — usually same day — diagnose properly, and give you a fixed price before any work starts.
Heating upgrades in Great Dunmow
Cold radiators, noisy systems, sky-high bills? Power flushes, smart thermostats, radiator swaps and full system upgrades that pay for themselves.
Plumbing in Great Dunmow
Everyday plumbing done properly — taps, toilets, leaks, washing machines, showers, outside taps and isolation valves.
Areas near Great Dunmow we also cover
At a glance
- Service
- Annual Boiler Servicing
- Coverage
- Great Dunmow (CM6) and surrounding areas
- Response time
- Usually within 24–48 hours
- Credentials
- Gas Safe registered, fully insured, 12-month workmanship guarantee
- Pricing
- Fixed written quotes, no surprise extras
Roughly what you'll pay in Great Dunmow
These are honest starting prices for jobs we do every week. Final quote depends on your property — we'll always confirm in writing before any work starts. No surprise add-ons.
| Job | Price |
|---|---|
Annual gas boiler service 30–45 min, full report, benchmark stamped | from £85 |
Service + gas safety check (CP12) for landlords — same visit | from £125 |
Multi-property landlord packs 5+ properties booked together | from £75/unit |
Prices include VAT. Parts quoted separately and shown on your written quote.
Other ways Great Dunmow customers find us for boiler servicing
Same engineer, same fixed pricing — different question, different answer.
Villages near Great Dunmow we also cover
Glow-worm cover for Great Dunmow
Free written quote, no obligation. Real engineer, fixed price, fast response.