24/7 Emergency Service
Available right now — midnight, 3am, Christmas Day

24 Hour Plumber London

60-minute response. Night, weekend, bank holiday.

Gas Safe and WaterSafe engineers on overnight shift across all 33 London boroughs. Burst pipes, boiler breakdowns, Megaflo faults, blocked drains, toilet overflows. Fixed written quote before any work starts — whatever the time.

Gas Safe · WaterSafe · G3 Qualified · Checkatrade Verified · £5M Public Liability

60 minresponse target overnight
24/7365 days a year
33London boroughs covered
Gas Safe+ WaterSafe engineers
Last updated: July 2026 · Rates reflect 2026 London market · Overnight coverage all 33 boroughs

Quick answer — 24-hour plumber London

A genuine 24-hour plumber in London will: confirm an ETA within 5 minutes of your call, arrive within 60 minutes (Zones 1–3) or 90 minutes (outer boroughs) overnight, hold Gas Safe registration for any boiler or cylinder work, and provide a written quote before starting. Overnight call-out fee: £130–£170. Hourly rate: £155–£195/hr.

If you are searching for a 24-hour plumber in London at this moment: call 0207 046 1363 directly. A handler will confirm your ETA in under 5 minutes — no online form, no callback queue.

A true 24-hour plumbing service does not mean office hours with an answering machine. It means an engineer on shift overnight, dispatched from their current location, with the credentials and van stock to resolve the most common emergencies in a single visit.

Emergency Repairs London operates its own overnight engineer rota across London. According to the Water Industry Research Foundation, 34% of burst pipe incidents reported to UK water companies occur between 9pm and 7am — often discovered when residents return home or when frost causes pipe splits. London's dense housing stock, Victorian-era pipework, and hard water (250–350 mg/L CaCO₃) make overnight plumbing failures disproportionately common.

What a 24-hour plumber in London can fix tonight

Most plumbing emergencies are fully resolvable overnight in a single visit. The table below shows the jobs our engineers most commonly complete overnight, typical cost ranges, and what is included.

Burst pipe repair

£230–£420 typical (parts + 1–2hr labour)

Frozen pipe splits, joint failures, compression fitting leaks, impact damage. Isolated, cut out and replaced using press-fit or compression fittings — no torch, no noise after midnight.

Severe internal leak / ceiling ingress

£195–£380 typical

Locating the source, stopping active ingress, protecting structure. Insurance report issued same night.

Overflow and flooding — toilet, cistern, bath

£155–£280 typical

Failed fill valves, overflow pipe discharging, toilet backing up. Cistern stoppage, valve replacement.

No heating / boiler breakdown

£175–£350 typical call-out + first-hour repair

Gas Safe heating engineer. Diagnose fault, reset, replace thermocouple, clear condensate blockage, re-pressurise. Note: boiler part replacements may require a next-day return for parts.

Blocked drain — sewage backing up

£195–£380 typical

High-pressure jetting available overnight. Sewage backup into bath or toilet — cleared same night in most cases.

Megaflo / unvented cylinder — tundish discharging

£195–£380 typical (component replacement billed separately)

G3 qualified engineer overnight. Expansion vessel, T&P valve, thermostat check. Tundish discharge is a safety fault — do not ignore.

Seized or failed stopcock

£155–£320 typical

Cannot turn off water? Engineer replaces seized stopcock or installs a bypass. Restores control of your water supply.

Gas leak response (suspected)

£175–£380 after gas safe clearance

We work with Gas Safe engineers. For a suspected gas smell: first call the National Gas Emergency Service (0800 111 999) and vacate. We can carry out downstream pipe repairs and boiler checks after the gas network has made the supply safe.

Real overnight call-outs — resolved same night

These are representative examples of overnight jobs completed in London. Specifics vary by property and fault severity.

11pm

Burst pipe under kitchen sink — Zone 2 flat

Isolated water, cut out split copper elbow, press-fit replacement. Back to normal in 70 minutes.

1:30am

Expansion vessel failed — Megaflo tundish discharging continuously

Replaced expansion vessel, re-charged pre-charge pressure, no tundish discharge. 90 minutes.

3am

Boiler condensate pipe frozen, no heating — Zone 4 house

Thawed and re-routed condensate to internal waste. Boiler lit same visit.

5:30am

Toilet overflow — cistern fill valve failed, water coming over pan

Replaced fill valve, tested cistern flush cycle. 45 minutes.

Saturday, 11pm

Severe ceiling leak from upstairs neighbour's bath overflow

Identified source (bath waste overflow joint), temporary repair to stop active ingress, issued insurance report. Permanent repair booked for Monday.

Boxing Day, 7am

No water to entire flat — mains stopcock seized

Replaced seized stopcock, restored full supply. 1 hour.

24-hour plumber London rates — 2026

Overnight rates are higher than daytime rates — this is legitimate and universal across the London market. The differential reflects the overnight rota cost and call-out disruption. What should not vary is the transparency: a fixed written quote before work starts, regardless of the hour.

Time periodCall-out feeHourly rateNote
10pm – 8am (any day)£130–£170£155–£195/hrOvernight rate
8am – 10pm weekdays£65–£95£95–£130/hrStandard rate
Weekends 8am – 10pm£85–£120£120–£155/hrWeekend daytime
Bank holidays (all hours)£150–£200£175–£220/hrBank holiday rate
Typical overnight total: Most overnight emergencies (burst pipe, expansion vessel, cistern overflow) are resolved in 1.5–2 hours. At an overnight rate of £165/hr + £150 call-out, the typical total is £395–£480 including van-stocked parts. Complex jobs — drain jetting, multi-floor leak trace — run longer. You receive a written quote before work starts so you know the scope.

24-hour coverage — all 33 London boroughs

Our overnight engineers are positioned across East, West, North and South London to maintain a 60-minute response target. Zones 1–3 consistently achieve sub-60-minute response overnight. Zones 4–6 target 75–90 minutes overnight depending on current engineer locations.

City of London
Westminster
Camden
Islington
Hackney
Tower Hamlets
Southwark
Lambeth
Wandsworth
Hammersmith & Fulham
Kensington & Chelsea
Fulham
Haringey
Waltham Forest
Newham
Greenwich
Lewisham
Bromley
Croydon
Merton
Richmond
Kingston
Sutton
Barnet
Enfield
Harrow
Brent
Ealing
Hounslow
Hillingdon
Redbridge
Havering

Why overnight plumbing cover matters specifically in London

Victorian-era pipework fails at night

London has a higher concentration of pre-1939 housing than any other UK city. Lead, iron, and early copper supply pipes are significantly more vulnerable to overnight temperature drops and corrosion-related joint failures. Thames Water estimates that 20% of supply pipe failures on private property in London occur between 10pm and 7am.

Flat-density means one fault affects many

London has the UK's highest density of purpose-built flats. A burst pipe in a second-floor flat does not stay in that flat — water travels to the ground floor and basement within minutes. Overnight failures in Victorian conversions regularly create insurance claims for two or three properties. Speed of response directly limits the damage footprint.

London's hard water degrades components faster

At 250–350 mg/L CaCO₃, London water is among the hardest in the UK. Scale accumulation degrades unvented cylinder expansion vessels, T&P valve seats, and shower thermostatic cartridges faster than in soft-water areas. This accelerates failure rates and explains why London sees a disproportionate number of Megaflo and unvented cylinder call-outs.

Boiler failures peak in winter overnight

Condensate pipes freeze most commonly between midnight and 8am when external temperatures are at their lowest. A frozen condensate pipe locks out the boiler completely — loss of heating and hot water for a household overnight in January is a genuine health risk, particularly for elderly residents and young children.

Frequently asked questions — 24-hour plumber London

Is there really a 24-hour plumber in London who will come tonight?
Yes — Emergency Repairs London operates with its own engineer rota 24 hours a day, 365 days a year including Christmas Day and bank holidays. The 24-hour commitment is not a call-handling service that passes your enquiry to a pool of subcontractors the next morning — it is a direct despatch service with engineers on a night shift across London. The 60-minute response target applies overnight, though response times between 2am and 6am can stretch to 75–90 minutes depending on the location relative to the on-duty engineer. Call or WhatsApp at any hour to get an ETA for your postcode.
How much does a 24-hour plumber cost in London at night?
Overnight rates (10pm–8am) in London: call-out fee £130–£170 (covers travel and first attendance), hourly rate £155–£195/hr. A typical emergency resolved in 1.5 hours — burst pipe, seized stopcock, failed cistern fill valve — costs £360–£460 total including parts for standard fittings. Unvented cylinder work (G3 qualification required) runs slightly higher: expect £195–£500 for overnight attendance plus diagnosis and standard component replacement. Bank holiday rates are higher still: £150–£200 call-out, £175–£220/hr. All pricing is confirmed in a written message before work starts — there are no surprises on the invoice.
What plumbing jobs can a 24-hour plumber fix overnight in London?
Most plumbing emergencies can be fully resolved in a single overnight visit: burst pipe replacement (press-fit fittings, no torch required), failed stopcock replacement, cistern fill valve replacement, expansion vessel replacement on a Megaflo (if the component is van-stocked), blocked drain jetting, toilet overflow. Some jobs — specifically boiler part failures where the part must be sourced, or complex leak trace behind fixed structures — may require a temporary repair overnight and a return visit for permanent resolution. The engineer will tell you this on arrival and confirm in writing before any temporary measure is implemented.
How do I know the 24-hour plumber I call is actually coming?
Request confirmation: after you call, ask the handler to send you a text or WhatsApp confirming: (1) the engineer's name, (2) their estimated arrival time, (3) the call-out rate. If the company cannot or will not send this, they are either a booking broker who has not yet confirmed an engineer, or they are unable to commit to an arrival time. Emergency Repairs London sends a booking confirmation by text within 5 minutes of the call, with the engineer's name and ETA. If the ETA changes by more than 15 minutes, you will receive an update call. If you receive no update and the engineer hasn't arrived at the stated time, call the number directly — do not wait.
Can a 24-hour plumber fix a boiler at 2am?
It depends on the fault. Our Gas Safe heating engineers attend 24/7 and can resolve: ignition failures, thermocouple faults, frozen condensate pipes, low-pressure lockouts, PCB resets, and some valve faults. What cannot always be fixed overnight is a part that must be ordered — a specific heat exchanger, a condensate pump model, or a proprietary control board. In that case, the engineer diagnoses and documents the fault, restores hot water via the immersion heater if an unvented cylinder is fitted, and arranges a return visit with the part. You will never be left without any form of hot water if a cylinder is present.
What is the difference between a 24-hour plumber and an emergency plumber in London?
They are effectively the same service. '24-hour plumber' and 'emergency plumber' describe the same offering: a plumber who responds outside normal working hours including overnight. The distinction that does matter is between a direct company (employs its own engineers, despatches them directly) and a booking service (takes your call, passes it to a third-party contractor pool). A direct company can commit to response times and engineer qualifications. A booking service cannot. Both may use the terms '24-hour' and 'emergency' in their advertising — ask directly: "Do you employ your own engineers, or do you pass calls to a subcontractor pool?"
Can a 24-hour plumber fix an unvented cylinder (Megaflo) overnight?
Yes, provided the attending engineer holds a G3 qualification (Building Regulations Part G3 for unvented hot water systems). Emergency Repairs London's overnight engineers are G3 qualified. Common Megaflo faults resolved overnight: expansion vessel waterlogged (tundish dripping), T&P valve discharging, thermostat failure causing no hot water, immersion heater failure. Components carried as van stock: expansion vessels (8–12L range), T&P valves (various sizes), thermostat and immersion heater elements. If the fault requires a component not on the van, hot water can usually be restored via the secondary immersion and the permanent fix arranged for the following day.
Do 24-hour plumbers charge more at night in London?
Yes — overnight rates are higher than daytime rates, and this is legitimate. The premium reflects call-out disruption (engineers are being woken or kept awake), reduced public transport and supply availability, and the need to maintain a staffed overnight rota. Typical overnight call-out fee: £130–£170 (versus £65–£95 in the day). Typical overnight hourly rate: £155–£195/hr (versus £95–£130/hr). Bank holiday rates are the highest tier. There is no ethical way to get the daytime rate at 3am — but you should expect the same standards: Gas Safe registration where applicable, WaterSafe approval, public liability insurance, and a written quote before work begins.
Can I call a 24-hour plumber for a heating emergency in winter?
Yes, and this is one of the most common overnight call-outs. Heating failures in winter — especially for elderly residents, families with young children, or properties with no alternative heat source — qualify as genuine emergencies. Gas Safe heating engineers are despatched for: total boiler lockout, pilot light failures on older systems, frozen condensate pipe (common in London during cold snaps), pressure loss causing no heat, and zone valve failures leaving parts of a house without heating. If the boiler cannot be repaired overnight, our engineers can fit temporary electric heating solutions and arrange same-day return for parts.

24-hour plumber — call right now, whatever time it is

60-minute response across all 33 London boroughs. Gas Safe, WaterSafe, G3 qualified engineers on overnight shift. Fixed written quote before work starts. Christmas Day, 3am, bank holidays — same number, same standard.

Emergency Repairs London Ltd · Company No. 17120057 · £5M public liability · Gas Safe · WaterSafe · Checkatrade verified

24/7 EMERGENCIES
0207 046 1363