GAS SAFE REGISTERED · CP12 CERTIFIED

Boiler Repair London — Fixed Price, Gas Safe Engineers

No heating or hot water? FixMate dispatches a Gas Safe registered boiler engineer to your London property — price confirmed before any work starts. No surprises.

Gas Safe registered — legal requirement for gas work — every engineer verified, ID shown on arrival
Fixed price upfront — from £150 call-out — price confirmed before work starts
Repair vs replace advice — honest guidance on repair cost vs. replacement — no upsell pressure
Book a Boiler Engineer now
Fixed price. Available today.

Engineer ETA: ~28 min

Secure · No payment until job confirmed
25+ Vetted engineers
Trusted by London landlords Residential & commercial
Post-job reviews Collected after every completed job
Real-time dispatch Engineers matched in minutes
Fixed price Quoted before you book
Vetted engineers Background-checked & insured
90-day workmanship warranty On all completed work
Real-time tracking Engineer on the way
How FixMate works in Boiler Engineer

Boiler Engineer services in your area

Boilers in NW3's Georgian and Victorian terraces, mansion flat conversions and detached houses vary from wall-hung combis in conversions to back-boiler relics in older stock. FixMate Gas Safe engineers cover Hampstead & Belsize Park 7 days a week — average 28-minute dispatch. Fixed price, CP12 issued same day.

Annual boiler services are not just best practice — most boiler warranties require them. A FixMate service includes a full combustion analysis, heat exchanger inspection, flue integrity check, and CP12 certificate. Landlords in Camden receive the certificate by email the same day, ready for their compliance file.

Dispatch in Hampstead & Belsize Park is automatic: the system finds the nearest available Gas Safe engineer, sends them the job details and shows you a live ETA. Most bookings result in an engineer on site within 30 minutes. For landlords managing multiple properties, you can add the engineer's contact details to the job notes so they can liaise directly on access.

Fixed prices

Common Boiler Engineer jobs in London

Every price includes parts, labour and VAT. What you see is what you pay.

No heating
Trace and fix central heating failure — pump, motorised valve, or boiler board.
~£260 (2hr)
Book
No hot water
Diagnose and repair hot water failure — diverter valve, cylinder thermostat, or PCB.
~£260 (2hr)
Book
Boiler making noise
Diagnose and fix banging, whistling or kettling boiler. Sludge, pump, or heat exchanger issue.
~£260 (2hr)
Book
Boiler not firing
Gas Safe diagnosis and repair — ignition, PCB, gas valve or condensate trap fault.
~£260 (2hr)
Book
Pilot light out
Pilot light diagnosis and relight — thermocouple replacement if needed.
~£150 (1hr)
Book
Annual boiler service
Full service and safety check, gas safety certificate (CP12) issued on completion.
~£150 (1hr)
Book

Prices include parts, labour and VAT. Complex jobs may require a survey — we'll tell you upfront.

Process

How FixMate works

Three steps from problem to fixed.

01

Describe the fault

Tell us what's broken. Our system matches you to the nearest available boiler engineer with the right skills.

02

Confirm the price

You see the estimate before you commit. Transparent pricing — confirmed before any work starts.

03

Engineer en route

Track your engineer in real time on the map. Average arrival is 28 minutes. Rate the job when it's done.

Check we cover your postcode

FixMate covers all of London within the M25. Enter your postcode to confirm.

Reviews

What customers say

Real jobs, real reviews from London homeowners.

We only publish verified post-job reviews — no fake reviews, ever.

Reviews for this trade will appear here once jobs are completed.

Book a job and be first to review →

Join FixMate

Earn as a Boiler Engineer on FixMate

Fixed jobs, repeat customers, weekly payouts. London's busiest tradesmen are already on FixMate.

£195 avg job

Average customer job value for boiler engineer work in London.

Repeat customers

60%+ of jobs come from existing customers. Build your base on FixMate.

Weekly payouts

Stripe Connect — paid within 14 days of job completion, every Monday.

Apply to join FixMate →

Gas Safe registered · CP12 certified · London-based · Insured

FAQ

Frequently asked questions

Everything you need to know before booking.

Yes. By law, any engineer working on gas appliances in the UK must be Gas Safe registered. Every FixMate boiler engineer carries a valid Gas Safe ID card and is checked before joining our network.
£150 call-out fee at booking covers the first hour. Additional time is £110/hr billed in 15-minute increments. You approve any extra before it starts.
Our engineers will give you an honest cost-benefit assessment. Generally, if your boiler is over 10 years old and repair costs exceed 50% of a new boiler, replacement is better value. We will tell you upfront.
We aim to arrive within 60 minutes anywhere in London. Book and you'll see a live ETA for the nearest available engineer.
Yes. A gas safety certificate (CP12) is issued for annual services and landlord safety checks. This is valid for 12 months and emailed immediately on completion.
Yes. Our engineers carry diagnostic equipment and are familiar with all major boiler brands — Vaillant, Worcester Bosch, Baxi, Ideal, Potterton and more.
Yes. All labour comes with a 90-day workmanship warranty. If the same fault recurs, we return at no additional call-out charge.
All services

Other FixMate services in London

Heating Engineer London → Gas Engineer London → All prices →