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Serving Gravesend, Northfleet & surrounding Kent areas

Gas Safe engineer servicing a boiler in Gravesend

Boiler Repair and Servicing in Gravesend

Boiler broken down? We're Gas Safe registered engineers covering Gravesend and DA11, and we can usually get to you the same day. Call 01474 554929 now and we'll get your boiler — and your hot water — sorted. We repair and service all makes and models of boiler, carry a comprehensive stock of spare parts, and give you a straight answer about whether a repair is worthwhile or whether it's time for a replacement.

City & Guilds Qualified

Fully certified

Fully Insured

Public liability

10+ Years Experience

Serving Gravesend

All Work Guaranteed

Peace of mind

Free Quotes

No obligation

Common Boiler Faults We Fix

If your boiler is playing up, there's a good chance we've seen the same problem dozens of times. Here are the most common faults we deal with in Gravesend homes:

No heating or hot water

This could be a number of things — a failed diverter valve, a faulty zone valve, a broken motorised valve, a failed thermostat or a simple wiring fault. We'll diagnose it properly before touching anything.

Boiler not igniting

If your boiler fires but doesn't stay lit, or doesn't ignite at all, common causes include a faulty ignition electrode, a broken gas valve, or a blocked burner. We carry most common ignition components.

Boiler losing pressure

A boiler that keeps dropping below 1 bar is either losing water through a leak (which we'll find) or has a faulty pressure relief valve or expansion vessel. Often a straightforward fix — but one that needs a qualified engineer, not a YouTube guide.

Noisy boiler (banging, kettling, gurgling)

Kettling — the noise of a boiler that sounds like a boiling kettle — is typically caused by limescale build-up on the heat exchanger, common in the hard water areas of Kent. Other noises can point to pump problems or air in the system.

Boiler error codes and lockouts

Modern boilers display fault codes when they shut down. Common codes include Worcester Bosch E9/EA (overheating or ignition fault), Vaillant F22 (low pressure), Vaillant F75 (pump or pressure sensor fault), Baxi E1 (ignition failure), Ideal F1 (no or low water pressure), and Ideal L1 (lockout after overheating). We can diagnose your boiler's specific fault code and advise you on whether a repair is straightforward or whether there's a deeper issue.

Pilot light keeps going out

Common on older boilers. Often a thermocouple fault — a relatively inexpensive repair if caught early.

Boiler Brands We Work On

We stock commonly needed parts for the most popular brands, which means many repairs can be completed on the first visit.

Worcester BoschVaillantBaxiIdealViessmannPottertonGlow-wormFerroliAlphaRemeha / Intergas

Annual Boiler Servicing

Many Gravesend homeowners put off their annual boiler service — it's a cost that's easy to defer when the boiler seems to be working fine. But a boiler that hasn't been serviced is quietly getting less efficient (costing you more on your gas bill), wearing down components that will eventually fail, and potentially building up carbon monoxide risk.

An annual boiler service typically takes 45–60 minutes and covers:

  • Checking and cleaning the burner
  • Inspecting and cleaning the heat exchanger
  • Checking the flue for blockages and correct draught
  • Testing for carbon monoxide leaks
  • Checking all seals and gaskets
  • Testing ignition and flame sensing
  • Checking gas pressure and flow
  • Verifying safety devices are functioning
  • Clearing any error codes from the boiler memory
  • Checking the condensate trap and drain

At the end of the service, we give you a written service record — important for maintaining your boiler's manufacturer warranty. Most Worcester Bosch, Vaillant and Baxi warranties require evidence of annual servicing. Boiler service price: from £75.

Repair or Replace? Our Honest Guide

One of the most common questions we get from Gravesend homeowners is: 'Is it worth repairing my boiler, or should I replace it?' We will always give you an honest recommendation.

Repair is usually right if...

  • Your boiler is under 10 years old
  • The repair cost is less than 50% of the cost of a replacement boiler
  • The fault is a common, well-understood component failure (pump, diverter valve, expansion vessel)
  • Your boiler has been regularly serviced and is otherwise in good condition

Replacement is usually better if...

  • Your boiler is over 12–15 years old
  • It has had multiple faults in the past 2–3 years
  • The repair cost approaches or exceeds 50% of a new boiler installation
  • It's a G-rated (inefficient) boiler costing you significantly more to run than a modern A-rated unit

How It Works

1

Call 01474 554929

Tell us what your boiler is doing (or not doing). We'll ask a few diagnostic questions and in many cases can narrow down the likely fault before we arrive. We aim to offer same-day appointments for boiler breakdowns.

2

Diagnosis visit

Our engineer arrives, carries out a thorough diagnosis, and gives you a clear price to repair the fault before touching anything. If parts need to be ordered, we'll confirm lead times.

3

Repair completed

Where parts are available immediately, most repairs are completed on the first visit. We commission the boiler, check for correct operation, and confirm everything is working before we leave.

Pricing

Pricing Guide

Transparent indicative prices for boiler repair & servicing in Gravesend.

Service / JobTypical Price
Boiler service (annual)From £75
Boiler pressure issue / re-pressurisationFrom £85
Thermostat replacementFrom £120–£200 (parts + labour)
Diverter valve replacementFrom £200–£350 (parts + labour)
Pump replacementFrom £200–£400 (parts + labour)
Expansion vessel replacementFrom £150–£250 (parts + labour)
Heat exchanger replacementFrom £400–£700 (parts + labour)
Emergency out-of-hours call-outFrom £150 (first hour)

Prices are indicative. Actual costs depend on boiler make/model and parts availability. We always provide a firm quote before starting work.

FAQ

Frequently Asked Questions

Common questions about boiler repair & servicing services in Gravesend and the surrounding area.

Ask Us Directly

Service Area

Areas We Cover

Boiler Repair & Servicing services available across Gravesend and the surrounding Kent villages.

Gravesend

DA11

Northfleet

DA11

Shorne

DA12

Cobham

DA12

Meopham

DA13

Higham

ME3

Istead Rise

DA13

Ebbsfleet Valley

DA10/DA11

Boiler Broken Down in Gravesend?

Don't wait in the cold. Call 01474 554929 now — Gas Safe registered engineers, same-day response, transparent pricing.