Water Heater Repair

£120 to £350+VAT

Electric, immersion, cylinder and unvented water heater repair. Engineer on site within 2 hours. Common parts on the van. No call-out fee.

On site within 2 hoursPhone answered within 20 minutesNo call-out fee1-year parts guaranteeGas Safe registeredNo work over budget without your approval

Water heater repair pricing — 2026

Standard call-out and travel included. Prices exclusive of VAT.

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Water heater repair

£120 to £350

+VAT

Hot water system repair

£120 to £450

+VAT for bigger jobs

Labour rate

£89 to £168.50

+VAT per hour

Call-out fee

FREE

Travel always included

All prices exclusive of VAT. Ranges reflect typical jobs. Final price quoted before any work begins.

How we work

Five steps. No surprises. No pressure.

1

Call or book

Phone answered within 20 minutes. Free quote form.

2

Engineer arrives

Gas Safe engineer on site within 2 hours.

3

Free diagnosis

We check, explain, and quote a fixed price.

4

Work done

Most jobs completed first visit — common parts on the van.

5

Guaranteed

1-year parts guarantee on everything we fit.

Where we cover

We work from our Watford HQ across Hertfordshire and North London. Further afield is quoted separately.

Primary service areas

Water heater repair FAQs

What water heaters do you repair?

Electric water heaters, immersion heaters, hot water cylinders (vented + unvented), instant (POU) electric water heaters, and thermal store cylinders. All major UK brands.

Common faults?

Failed heating element (no hot water), faulty thermostat, pressure issues on unvented systems, timer/controls, leaks from the cylinder or fittings. We diagnose before quoting.

How much does repair cost?

£120 to £350 plus VAT. Simple element or thermostat swaps at the low end, full cylinder repairs toward the top.

Is there a call-out fee?

No. Standard call-out and travel always included.

Same day?

Usually yes — we carry common elements, thermostats, and fittings on the van.

Do you do hot water SYSTEM repairs (whole cylinders, pipework)?

Yes — see our dedicated labour rate pricing £89-£168.50/hr +VAT for bigger jobs. Quoted as a fixed project price after diagnosis.

No hot water?

Engineer on site within 2 hours. Phone answered within 20 minutes. No call-out fee.