Oncall Plumbing Limited
Boiler & heating company registered in London, Greater London
- Registered name
- Oncall Plumbing Limited
- Address
- 167-169 GREAT PORTLAND STREET, 5TH FLOOR, London W1W 5PF
- Town
- London
- County
- Greater London
- Companies House
- 17182498
- Incorporated
- April 2026
- Trade (SIC)
- Plumbing, heating & air-conditioning installation (43220)
Listed from the public Companies House register, not an endorsement. Quote requests go to Gas Safe registered engineers covering your postcode, not necessarily this company.
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Boiler help for London
How much does a boiler repair cost in London?
Most boiler repairs in London come in between £120 and £300 depending on the fault and parts. A diagnostic or call-out visit is often £60 to £90, and is sometimes credited against the repair if you go ahead. Get two or three written quotes before agreeing to work.
How do I get a quote from a boiler engineer in London?
Use the "Get Free Quotes" form on this page. Your job details go to Gas Safe registered engineers covering the W postcode area, who contact you directly. London has 4,817 registered heating businesses in this directory, though the engineers who quote are not necessarily among them. It is free and there is no obligation.
Should I repair or replace my boiler?
A repair makes sense on an otherwise sound boiler. Replacement is usually the better value once a boiler is past 10 to 12 years old, parts are hard to get, breakdowns are frequent, or efficiency has dropped. Ask the engineer to price both where a repair is borderline.
Does a listing here mean Oncall Plumbing Limited is recommended?
No. Companies appear in this directory because they are on the Companies House register under a heating trade code. A listing is not vetting, endorsement, or a guarantee that the company is trading or Gas Safe registered.