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Smell gas? Leave the property, avoid switches and flames, and call the National Gas Emergency line free on 0800 111 999 first. Once you're safe, call us on 020 3000 0000 for the repair.

Commercial Boiler Repair in London

When a domestic boiler fails, a family has a cold evening. When a commercial boiler fails, a restaurant loses a Saturday service, an office loses a productive floor, and a residential block loses forty households’ hot water at once. Our commercial Gas Safe engineers repair, service and maintain business heating across London: offices, restaurants and cafés, salons, schools and nurseries, surgeries, retail units and managed residential blocks. Around-the-clock response, out-of-hours work scheduled around your trading day, and planned maintenance contracts that make the emergency call the rare exception rather than the annual tradition.

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1-hour response

No call-out fee

Sectors

Who we look after

Restaurants & cafés

Hot water and heating that trade depends on.

Offices

Comfort, compliance and productive floors.

Managed blocks

Communal systems, many households, one landlord.

Schools & nurseries

Safety-first, holiday-scheduled work.

Schools & nurseries

Hot water is the business.

Retail & hospitality

Out-of-hours everything.

If your premises has a gas boiler and your business feels it the moment that boiler stops, you are who this service exists for. The pattern across every trade is identical: heating and hot water are invisible until they fail, and then they are the only thing anyone can talk about.

A different discipline

Why commercial work is a different discipline

BIGGER PLANT, BIGGER STAKES

Commercial boilers run at outputs domestic engineers rarely touch, often in banks of two or three, plumbed into systems a house will never see: plate heat exchangers, pressurisation units, plant-room controls. Working on them safely requires commercial gas qualifications beyond the domestic ticket, and every engineer we send to business premises holds them. Ask to see the ID card; the commercial categories are printed on the back.

REGULATIONS ARE STRICTER

Business premises carry their own gas safety duties under the Gas Safety (Installation and Use) Regulations and the Health and Safety at Work Act, and non-domestic installations are inspected against their own standards, with their own record types for commercial premises and catering installations. If you are a block manager, your communal plant needs the same annual discipline a landlord’s CP12 gives a flat. We keep the records straight so your compliance file survives any inspection.

DOWNTIME HAS A PRICE TAG

A café without hot water is legally questionable and practically closed. An office at 14 degrees empties by lunch. This is why our commercial work is scheduled around your trading hours by default: evening and weekend repairs for daytime traders, term-holiday work for schools, and phased servicing for blocks so residents never lose hot water entirely.

Service index

What does a new boiler cost in
London?

What we do for London businesses

C/01

Emergency commercial repair

A-rated

C/02

Planned maintenance contracts

SCHEDULED

C/03

Commercial boiler servicing

ANNUAL

C/04

Commercial gas safety inspections

COMPLIANCE

C/05

Plant replacement and upgrades

QUOTED

C/06

Communal and block systems

MANAGED

Emergency repair is the headline: engineers reachable around the clock, because commercial boilers do not respect trading hours. Behind it sits the work that keeps the emergency number quiet. Planned maintenance contracts put your plant on a schedule, with servicing, safety inspection and priority response wrapped into one agreement and one invoice. Annual servicing keeps efficiency up and fuel bills honest on plant that burns far more gas than any house. Compliance inspections keep your records inspection-ready. And when the honest advice is replacement, we survey, quote and phase the installation around your operation, including out-of-hours changeovers so a restaurant’s kitchen never misses a service.

The honest comparison

Reactive or contracted

Reactive

Call us when it breaks

Pay per callout

Response subject to availability

Faults found when they fail

Records kept by you

Contract

Planned maintenance

Most contract clients came to us as an emergency first. The contract is how they made sure the second emergency never happened.

Work scheduled around your business, not ours

Central London premises know the drill: access through building management, service lifts, porters, permits, and a trading floor that cannot simply stop. Our engineers plan commercial jobs around all of it, and the invoice never carries congestion or emissions charges; zone 1 is our cost of doing business, not yours. For blocks and multi-site operators, one contact runs the whole estate, so the maintenance history of every boiler you are responsible for lives in one place instead of six inboxes.
Default schedule

Out-of-hours by default

COMMERCIAL

Recent work

Recent commercial work across London

JOB / EC1 / RESTAURANT

A Clerkenwell restaurant, EC1: boiler down on Friday afternoon, engineer on site by six, repaired overnight, Saturday service traded in full.

JOB / SW19 / BLOCK PLANT

A Wimbledon residential block, SW19: communal plant serviced in phases across two days, forty flats, hot water never fully off.

JOB / UB3 / OFFICE

A Hayes office, UB3: repeated winter breakdowns replaced with a maintenance contract; two winters since, zero emergency callouts, one planned part replaced at the annual service before it failed.

Commercial boiler repair, your questions answered

How fast can you reach business premises?
Emergency response runs around the clock across London, with priority given to trading businesses and communal systems. Contract clients get guaranteed priority.
Yes. Commercial work requires commercial categories on the Gas Safe registration, and every engineer we send to business premises carries them; you are welcome to check the ID card and verify it on the Gas Safe Register.
That is the default, not the exception: evenings, weekends and holidays are scheduled as standard for premises that trade in the day.
Yes, including phased servicing so residents keep hot water, and full record-keeping for the managing agent’s compliance file.
It depends on plant size, age and site count, so contracts are quoted after a free site survey. Single-boiler premises are often surprised how modest the number is against one lost trading day.
Yes: survey, fixed quote, and phased or out-of-hours installation so the business keeps running through the changeover.

Keep the boiler off your risk register

Book a free site survey and get a straight assessment of your plant, your compliance position and what a maintenance contract would cost against your last emergency. Call 020 3000 0000 or request a callback, and tell us what the premises does; the schedule bends around it.