GAS SAFE REGISTERED · CORGI REGISTERED

London Heating Engineers — Gas Safe, Fixed Price

No heating or hot water? FixMate dispatches a Gas Safe registered heating engineer to your London door in around 28 minutes. Price confirmed before any work starts — no surprises.

Gas Safe registered — legally required for all gas work — ID shown on arrival
Fixed prices — from £150 call-out — price confirmed before work starts
All faults covered — boiler repair, heating faults, radiators, gas certificates
Book a Heating 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 Heating Engineer

Heating Engineer services in your area

For landlords in Islington & Hoxton managing multiple properties, FixMate provides itemised receipts for every job including the engineer's Gas Safe registration number, the appliances serviced and the CP12 reference. This is ready for your accountant, letting agent or council compliance audit without any additional paperwork from you.

Landlord gas safety requirements in N1 are non-negotiable — annual CP12, prompt boiler repairs and heating callouts. FixMate keeps Gas Safe engineers across Islington & Hoxton, with fixed prices and average 28-minute dispatch.

Boiler fault codes — F1, E1, EA, H.02 — point to specific component failures rather than a general breakdown. In Islington & Hoxton's ageing housing stock, the most common causes are a failed diverter valve (hot water but no heating, or vice versa), blocked condensate pipes in winter, and low system pressure from a leaking radiator valve. A Gas Safe engineer can diagnose from the code alone before opening the boiler.

Fixed prices

Common Heating Engineer jobs in London

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

Boiler repair
Gas Safe diagnosis and repair — parts included for common faults (ignition, thermocouple, gas valve).
~£260 (2hr)
Book
Annual boiler service
Full safety service and check — gas safety certificate (CP12) issued on completion.
~£150 (1hr)
Book
No heating fault
Trace and fix central heating failure — pump, motorised valve, boiler printed circuit board.
~£260 (2hr)
Book
No hot water fault
Diagnose hot water failure — diverter valve, cylinder thermostat or heat exchange issue.
~£260 (2hr)
Book
Power flush
Chemically flush sludge from radiators and pipework — restores efficiency and heating speed.
~£260 (2hr)
Book
Radiator replacement / upgrade
Remove old or damaged radiator, supply and fit new — including pressure test of the system.
~£205 (1.5hr)
Book
Thermostat replacement
Replace faulty or upgrade to a smart thermostat (Nest, Hive, Heatmiser-compatible).
~£150 (1hr)
Book
Gas safety certificate
Landlord gas safety check — CP12 certificate issued, valid for 12 months.
~£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 heating 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.

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Join FixMate

Earn as a Heating 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 heating 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 · London-based · Insured

FAQ

Frequently asked questions

Everything you need to know before booking.

Yes. Every FixMate heating engineer is Gas Safe registered and carries their ID card. All gas work is certified under Building Regulations Part G.
Average dispatch is 28 minutes within the M25. Book and you will see a live ETA for the nearest available engineer.
£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.
Diagnosis plus the repair of the identified fault. Common parts — igniter, thermocouple, condensate trap — are included. Major parts such as a heat exchanger or PCB are quoted separately before ordering.
Yes. A Gas Safety Certificate (CP12) is issued for annual services and landlord checks. This is valid for 12 months and a copy is emailed to you immediately.
A power flush removes sludge and rust from radiators and pipework using chemical cleaners pushed through under pressure. If your radiators are cool at the bottom, take a long time to warm up, or your boiler is noisy, you likely need one.
Yes. We replace standard room thermostats and fit smart alternatives. If you have a Nest, Hive or Heatmiser system, bring the device — we can often transfer the configuration.
Yes — combi, conventional system, heat-only and back-boilers. We also work on unvented hot water cylinders and thermal stores.
All London boroughs within the M25 — North, South, East, West and Central.
All services

Other FixMate services in London

Boiler Repair London → Gas Engineer London → All prices →