Gas Water Heater Repair
We Offer Services in London and Hampshire, West Sussex, South West Surrey, East Wiltshire.
Gas Water Heater Repair, Diagnostic & Fault Finding
At Local Gas London, we make it simple to get your gas water heater repaired quickly and affordably.
We offer a fixed-price Gas Water Heater Diagnostic and Fault-Finding Service — no hidden charges, no surprise fees.
Why Choose Our One-Off Gas Water Heater Repair Service
Fixed Price Call-Out – Transparent upfront pricing.
Gas Safe Registered Engineers – Fully qualified professionals.
Same-Day Service – Your repair completed within 5 hours.
12-Month Guarantee – On all work and genuine replacement parts.
No VAT Added – We’re not VAT registered, so you pay less.
We repair 85% of gas water heaters on the first visit — without the need for replacement parts.
What’s Included in Your Gas Water Heater Repair Visit
Our experienced Gas Safe engineer will visit your home to carry out a 1-hour diagnostic inspection.
During this time, we will:
Inspect and test your gas water heater
Identify faults accurately
Repair the issue on-site (if no new parts are required)
If the issue can be repaired within the hour, we’ll fix it immediately at no extra cost.
If a replacement part is required, you’ll receive a fixed price quote before any work begins.
Transparent Pricing – No Hidden Costs
We provide full transparency with a public fixed price list for part replacements — available on our website.
Included in your visit:
Call-out, assessment, diagnostic & fault finding
One-off water heater repair without replacement parts
1-hour professional inspection
12-month guarantee on workmanship
Genuine parts with manufacturer warranty
Not included:
Replacement parts or materials (quoted separately)
Parking fees (if applicable)
Annual water heater service
Same-Day Gas Water Heater Repair Service
Need help fast? We offer same-day gas water heater repair.
Our engineers will call ahead before arrival, and most repairs are completed within 5 hours.
Comprehensive Diagnostic & Fault-Finding Process
Here’s what our engineers do during your diagnostic visit:
Perform full system inspection and testing
Locate faults and determine the root cause
Perform minor adjustments or cleaning (included)
Advise on replacement parts only if required
Provide a fixed quote — you can accept or cancel for free
We handle all leading brands, including:
Alpha, Ariston, Baxi, Biasi, Ferroli, Glow-worm, Ideal, Intergas, Johnson & Starley, Keston, Main, Potterton, Ravenheat, Vaillant, Viessmann, Vokera, and Worcester Bosch.
Typical Repairs Included (No Extra Cost)
Tightening loose electrical connections
Cleaning air pressure switch hoses
Defrosting condensation pipes
Clearing condensation traps or filters
Adjusting burner pressure
Cleaning ignition electrodes and thermocouples
Securing loose valves, fans, or switches
Replacing blown fuses (if spares available)
These tasks cover the most common water heater issues, allowing us to fix most problems on-site without additional cost.
Repairs Not Included
Replacement of major components (e.g., PCB, fan, sensors)
Drainage or sink trap unblocking
Full annual water heater service
If parts are needed, we’ll provide a no-obligation fixed quote and use only genuine manufacturer parts — all backed by a 12-month warranty.
Trusted Gas Safe Engineers
All work is carried out by Gas Safe registered professionals who comply with the latest UK safety standards.
We’re experienced with every gas boiler and water heater model used in the UK.
Book Your Gas Water Heater Repair Today
Get your gas water heater back up and running today with Local Gas London.
We guarantee simple, transparent pricing and expert service — every time.
Call us now or book online for same-day service!
Local Gas London – Simply Great Service at Great Prices.