16+ yearsPlumbing & heating
Boilers fitted, heating restored, leaks stopped.
Gas Safe registered engineers covering every London borough. Boilers, heating, plumbing repairs, bathrooms and air conditioning — quoted in writing before any work starts.
- 16+
- 6
- 5.0★

Gas Safe registered
Registration no. 598577 · verify on the register
5.0
From 37 Google reviews
What we do
Six service areas, one team you can call back
Domestic and commercial work across London. Fixed quotes before we start, and no callout charge on quoted jobs.
- 01
Boilers & Heating
Boilers fitted, repaired and serviced, full central heating systems, underfloor heating and smart controls.
See heating → - 02
Plumbing
Leaks, burst pipes and blockages fixed, and taps, showers, toilets, pumps and appliances fitted properly first time.
See plumbing → - 03
Leak Detection
Hidden leaks found without taking the house apart — thermal imaging, acoustic tracing and tracer gas, then the repair.
See leak detection → - 04
Gas Safety
Landlord CP12 certificates, annual safety checks, gas appliance installation and carbon monoxide alarms.
See gas safety → - 05
Bathrooms & Kitchens
Full bathroom and kitchen fit-outs, wet rooms and cloakrooms — first fix to final seal, one team accountable.
See bathrooms → - 06
Air Conditioning
Split, multi-split and ducted systems installed, serviced and repaired for homes and offices. Free survey first.
See air conditioning → Not sure what you need?
Describe the problem on the phone and we will tell you whether it is a repair, a service or a replacement — before anyone visits.
07444 419144 →

16+
years of plumbing and heating
Why OK Plumbing and Heating
A local firm, not a franchise
We have been based in West London since 2010 and most of our work still comes from neighbours recommending us. The engineer who quotes your job is the engineer who does it.
- 01Fixed quotes, given in writingThe price we quote is the price you pay. No hourly creep.
- 02Gas Safe registered engineersRegistered, fully insured and DBS checked. Certificates issued on the day.
- 0312-month workmanship guaranteeIf something we fitted fails, we come back and put it right.
How a job with us works
You call or book online
Tell us what is happening. We book you in for the first slot that suits you, usually within 48 hours.
We diagnose and quote
An engineer inspects, explains the options in plain English and gives you a fixed written price.
Work done, site left clean
We complete the work, test it with you, hand over certificates and take the mess with us.
Recent work
Jobs we have finished
Boilers, cylinders, underfloor manifolds and air conditioning fitted across London. Every photograph here is one of ours.

An old gas boiler opened up at the start of a strip-out

Boiler, unvented cylinder and manifold in one plant cupboard

New boiler above an underfloor heating manifold and controls

System boiler and unvented cylinder in a newly plastered plant room

Unvented cylinder fitted above the washing machine in a hall cupboard

Unvented cylinder with the underfloor manifold boarded out beside it

A radiator refitted during a flat refurbishment

A wall-mounted air conditioning unit in a living space
What our customers say
5.0
★★★★★From 37 Google reviews
- ★★★★★
Great service from OK Plumbing. They replaced our kitchen tap and fitted a new isolation valve to solve the issue with the old seized stopcock. The work was done professionally and everything is now working perfectly. Very pleased with the job and would definitely use them again. Highly recommended.
Dawei Long
Tap replacement
- ★★★★★
Plumber Sam is absolute lifesaver! Quick response, impeccable service and fair pricing. Fix my plumbing issues several times with ease and even took the time to explain everything. Professional, friendly a highly recommended!
Marija Berni
Plumbing repairs
- ★★★★★
I called in OK Plumbing for a boiler service. They were punctual and prompt to my query. Their prices were very competitive, Usama was friendly and went out of his way to make sure everything is ok before leaving. I had full confidence in their abilities and advice. Will continue to use for any future boiler services or plumbing work.
naiem matar
Boiler service
Where we work
All 32 London boroughs
West and Central London are on our doorstep, and we cover every other borough from there.
- Hammersmith & Fulham
- Kensington & Chelsea
- Ealing
- Westminster
- Camden
- Wandsworth
- Brent
- + 25 more
Common questions
What are your hours?
Monday to Friday 8am to 6pm and Saturday 9am to 2pm. Calls in those hours reach an engineer rather than an answering service, so you get a real answer on when we can attend.
How much does a new boiler cost?
It depends on the property and the unit, so we quote after seeing the system. The quote is fixed and includes removal of the old boiler, fitting, commissioning and warranty registration.
Do you charge for callouts?
No. There is no callout charge on work we quote for — the survey and the written quote cost you nothing.
Can you service a boiler you did not fit?
Yes, any make. We service and repair all major brands and can take over annual servicing to keep an existing manufacturer warranty valid.