How do I know if my boiler needs repairing or replacing?

If your boiler is less than 10 years old and the repair cost is reasonable relative to the value of the boiler, repair is usually the better option. Older boilers, or those that have had repeated breakdowns, may be more cost-effective to replace. When we attend, our engineer will give you an honest assessment of both options so you can make an informed decision.

My boiler is showing an error code — what should I do?

Don't ignore a fault code. Common codes relate to low pressure, ignition failures, or sensor faults. You can check your boiler's manual for a brief description, but the safest thing is to call us. Our engineers are familiar with all major boiler brands including Worcester Bosch and Vaillant, and can diagnose and clear most fault codes quickly.

Can you repair my boiler the same day?

In most cases, yes. We carry a wide range of common spare parts in our vans so that many repairs can be completed on the first visit. If a specific part needs ordering we'll arrange a return visit as quickly as possible and advise you on whether it's safe to use the boiler in the meantime.

My boiler keeps losing pressure — is that a serious problem?

A boiler that repeatedly drops pressure usually indicates a leak somewhere in the system, a faulty pressure relief valve, or an issue with the expansion vessel. Topping it up regularly is only masking the underlying problem. Our engineers can find the root cause and carry out the correct repair.

Do you service all boiler makes and models?

Yes. Our Gas Safe registered engineers are experienced with all major brands including Worcester Bosch, Vaillant, Baxi, Ideal, Viessmann, and Potterton, among others. We carry parts for the most common models and can source anything we don't have in stock.

Boiler Repairs in Shepperton

We carry out same-day boiler repairs and servicing across Shepperton, getting your boiler running safely and smoothly — fast.

5.0 · 73 verified reviews

Clear & Upfront Pricing
24/7 Callouts, 365 Days A Year
Trusted Local Business
Gas Safe Registered Installers
£5,000,000 Public Liability Insurance

01932 556332

Shepperton Plumbers heating engineer diagnosing a combi boiler fault in Shepperton

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Reliable Boiler Repairs in Shepperton

A broken boiler leaves you without heating and hot water, and it always seems to happen at the worst possible time. Shepperton Plumbers provide fast, dependable boiler repairs across Shepperton and the surrounding TW17, TW16, TW18, KT16, KT13, KT12, TW15 and KT15 areas. Our engineers are Gas Safe registered and work on all the major boiler brands, including Worcester Bosch and Vaillant, so whatever make you have, we can help.

We take the time to diagnose the real cause of the fault rather than simply swapping parts and hoping. From ignition and pressure faults to faulty pumps, leaking seals, thermostat problems and error codes, we track down the issue and explain your options clearly before any work goes ahead. Our vans carry a wide range of common spares, which means many repairs can be completed in a single visit.

Boiler repairs in Shepperton often involve scale-related faults, pressure loss or ageing controls, so we check the system carefully and match the repair to the property’s pipework and water conditions.

As a family-run business, we believe in honest advice and clear pricing — if a repair isn't the most sensible option, we'll tell you. Every job is left safe, tested and working, and we're available 24/7 for boiler breakdowns that simply can't wait.

Boiler Repair & Servicing Prices

Boiler repair (first hour): from £95 + VAT
Annual boiler service: £95 + VAT

All prices are quoted upfront before work begins — no hidden charges. Need a new boiler instead? See our boiler installation service or our guide to choosing a plumber in Shepperton.

Call 01932 556332

Shepperton Plumbers engineer checking boiler pressure with a gauge during a boiler repair in Shepperton

Our Boiler Repair Process

Book your repair
Call us and describe the fault — no heating, no hot water, error codes, leaks or strange noises. We arrange a visit that suits you.
Full diagnosis
Our Gas Safe engineer carries out a thorough inspection to pinpoint the exact cause rather than guessing at parts.
Carry out the repair
We fix the fault using quality parts, with common components carried on the van to get you back up and running sooner.
Test & handover
We test the boiler under normal operation, confirm it is running safely and explain what was done.

Common boiler repair problems we fix in Shepperton

If you need a plumber in Shepperton, we help with boiler faults in village cottages, riverside homes and family properties across TW17 and nearby areas. From small heating issues to a boiler that has stopped working, we diagnose the cause and put it right with minimal fuss.

Boiler Making Noise

Banging, kettling or gurgling often points to limescale build-up, trapped air or poor water circulation through the heat exchanger. We check the system thoroughly, flush where needed and replace faulty parts so the boiler runs more quietly and safely.

Leaking Boiler

A leaking boiler can come from worn seals, loose joints, a cracked component or excess pressure inside the system. We trace the source, repair the fault and make sure there is no hidden damage to nearby pipework or electrics.

Boiler Fault Codes

Modern boilers use fault codes to flag problems such as sensor failures, fan issues, low pressure or ignition trouble. We read the code, test the related parts and carry out the right repair instead of guessing and replacing parts that are still sound.

No Hot Water

No hot water is often linked to a failed diverter valve, broken thermostat, ignition problem or a fault with the cylinder on some systems. We diagnose the issue carefully, restore the hot water supply and check the boiler is heating properly afterwards.

No Heating

If your radiators stay cold, the cause may be a pump fault, air in the system, low pressure or a boiler control problem. We test each stage of the heating system, from boiler to radiators, and get the heat back on as quickly as we can.

Boiler Losing Pressure

A boiler that keeps losing pressure usually has a leak somewhere in the system, a faulty pressure relief valve or an expansion vessel issue. We inspect the boiler and pipework, find the reason for the pressure drop and repair it properly rather than topping it up repeatedly.

Pilot Light Faults

If the pilot light will not stay lit, or ignition keeps failing, the cause may be a thermocouple fault, dirty burner, gas valve issue or blocked ignition electrode. We test the safety components, clean or replace what is needed and confirm the boiler is lighting reliably again.

Frozen Condensate Pipe

In cold weather, a frozen condensate pipe can stop the boiler firing and trigger a shutdown. We safely thaw the pipe, check for damage and insulate or reroute vulnerable sections so the problem is less likely to return in places like Shepperton and Sunbury-on-Thames.

Expert Advice

“When I'm repairing boilers in Shepperton, I always start with the fault code, the pressure and the condition of the surrounding pipework. Older homes around the town can hide worn components, so a proper diagnosis saves people repeat breakdowns.”

KevinGas Safe registered engineer35 years’ experience

Frequently Asked Questions

: If your boiler is less than 10 years old and the repair cost is reasonable relative to the value of the boiler, repair is usually the better option. Older boilers, or those that have had repeated breakdowns, may be more cost-effective to replace. When we attend, our engineer will give you an honest assessment of both options so you can make an informed decision.
: Don't ignore a fault code. Common codes relate to low pressure, ignition failures, or sensor faults. You can check your boiler's manual for a brief description, but the safest thing is to call us. Our engineers are familiar with all major boiler brands including Worcester Bosch and Vaillant, and can diagnose and clear most fault codes quickly.
: In most cases, yes. We carry a wide range of common spare parts in our vans so that many repairs can be completed on the first visit. If a specific part needs ordering we'll arrange a return visit as quickly as possible and advise you on whether it's safe to use the boiler in the meantime.
: A boiler that repeatedly drops pressure usually indicates a leak somewhere in the system, a faulty pressure relief valve, or an issue with the expansion vessel. Topping it up regularly is only masking the underlying problem. Our engineers can find the root cause and carry out the correct repair.
: Yes. Our Gas Safe registered engineers are experienced with all major brands including Worcester Bosch, Vaillant, Baxi, Ideal, Viessmann, and Potterton, among others. We carry parts for the most common models and can source anything we don't have in stock.