
★★★☆★☆3.3 on Google from 40+ reviews
OCO Limited is a heating and mechanical engineering company based in Kent and working across London and the South East. It handles upkeep, fixing, servicing and fitting of heating, mechanical, electrical and water hygiene systems for private and commercial customers, and also carries out quality installations for local authorities and housing associations.
Every job below can be priced from this page. The ranges are what London homes typically pay, from Locufy's price guides. OCO confirms the exact figure in a written quote — asking is free, with no obligation.
Typical prices from Locufy's UK 2026 price guides — each guide explains what the job involves and what moves the price. Central heating installation is also offered, priced on survey.

OCO Limited is a heating and mechanical engineering company based in Kent and working across London and the South East. It handles upkeep, fixing, servicing and fitting of heating, mechanical, electrical and water hygiene systems for private and commercial customers, and also carries out quality installations for local authorities and housing associations.
You can ask for a written price on any plumbing or heating job from this page — a dripping tap, a boiler that's stopped, a new bathroom — and compare it with other London plumbers if you want to. For gas work, OCO can tell you whether a Gas Safe registered engineer is needed before anything starts.
A line or two and a photo if you have one — it takes a minute.
Locufy passes it on; they come back to you with a written price.
Happy? Book the date directly with them. Not sure? Compare quotes from other London plumbers.
As published on Google, refreshed on each visit.
Read the reviews on Google →Every Locufy review comes from a job booked through Locufy, so each one is a real customer. Booked OCO? You can leave the first one after the job.
Do they do emergency call-outs? Can they service a gas boiler? Ask here — Locufy passes it to them and emails you their answer.
Based in London, OCO works across the city and about 15 km around it.
OCO is based in Kent and works across London and the South East.
OCO provides upkeep, fixing, servicing and fitting of heating, mechanical, electrical and water hygiene systems, and also offers descaling and cleansing, aids and adaptations, and projects.
OCO works for private and commercial clients, as well as local authorities and housing associations.
Yes, OCO is a ProcurePublic Framework Partner.
Yes, water hygiene is one of the services OCO offers.
You can compare it with other London plumbers too.
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