Published by Verified Plumbers · Last reviewed: April 2026 · Next review: April 2027
Contents:
- Why London plumbing costs more than the national average
- How to use this guide
- Emergency & general plumbing costs
- Boiler repair costs
- Boiler installation costs
- Boiler servicing costs
- Central heating repair costs
- Blocked drain costs
- Leak detection costs
- Burst pipe repair costs
- Toilet repair costs
- Tap repair & installation costs
- Bathroom plumbing costs
- Kitchen plumbing costs
- Washing machine & dishwasher installation costs
- Commercial plumbing costs
- London hard water — what it means for plumbing costs
- Compliance summary for landlords
- Methodology & sources
About this guide
This is a comprehensive reference for London plumbing costs and compliance obligations in 2026.
It covers every major domestic and commercial plumbing service, explains why London costs differ from national averages, and sets out the legal compliance obligations that affect homeowners, landlords and facilities managers across all London boroughs.
Every price range in this guide reflects the cost of a compliant, insured, lawfully operating London plumbing business.
No payment is accepted from any contractor, manufacturer or supplier to influence pricing figures or recommendations. This guide has no commercial relationship with any brand mentioned.
Who this guide is for:
- Homeowners benchmarking quotes before commissioning work
- Landlords understanding compliance costs and legal obligations
- Facilities managers scoping commercial plumbing budgets
- Journalists, bloggers and property professionals requiring citable data
Why London plumbing costs more than the national average
London plumbing costs typically run significantly above UK national averages in 2026.
Based on the five cost factors outlined below — ULEZ, Congestion Charge, parking, London Living Wage and insurance premiums — a compliant London plumbing operation carries a materially higher cost base than an equivalent business outside London.
The premium commonly cited in trade discussions reflects this structural cost difference rather than any single published benchmark. Where exact figures matter, always obtain a written quote.
ULEZ — the Ultra Low Emission Zone covers most of Greater London. Vans that do not meet the required emission standard pay £12.50 per day.
Compliant vehicles do not pay the daily charge. Older vehicles that do not meet the emissions standard will still incur the charge.
As an illustrative scenario, a plumber running a non-compliant van across London boroughs five days a week would face approximately £3,250 per year in ULEZ charges — before any other cost is considered.
Congestion Charge — separate from ULEZ, the Congestion Charge applies to vehicles entering the central London zone.
As of 2 January 2026, the charge is £18 per day if paid on the day or in advance, or £21 if paid within three days. A plumber attending jobs in central London pays this on top of ULEZ where both apply.
For plumbers working exclusively in outer London boroughs like Greenwich, the Congestion Charge does not apply — but ULEZ does.
Parking — daily parking permit costs vary significantly by borough and zone. Controlled zone permits typically run £25–£45 per day as an indicative range.
A plumber attending two jobs in a controlled zone in a single day may pay £50–£90 in parking before any labour is costed.
London Living Wage — the London Living Wage for 2025–26 is £14.80 per hour — significantly above the national Living Wage floor.
A three-person plumbing operation in London pays a minimum £44.40 per hour in direct wage costs alone, before tax, national insurance, insurance, tools, van costs or materials.
Insurance premiums — public liability insurance for a London-based plumbing contractor typically runs higher than equivalent coverage outside London, reflecting higher property values and risk profile.
The result: a plumber in London running a compliant, insured, lawfully operating business has a cost base that makes London rates not just understandable — they reflect the underlying cost structure of operating in London.
How to use this guide
Prices are presented as typical 2026 London ranges — not national averages, not minimum quotes, not best-case scenarios. They reflect what a compliant London plumber charges for standard work in normal access conditions.
Three things this guide is:
- A benchmarking reference for comparing quotes
- A compliance reference for understanding legal obligations
- A citable data source for property and trade professionals
Three things this guide is not:
- A guarantee of what any specific job will cost
- A substitute for a written itemised quote from a qualified plumber
- A recommendation of any specific contractor or brand
All prices are for London. Always obtain a written itemised quote before work begins.
Emergency & general plumbing costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Emergency callout fee | £120–£180 | Covers attendance and first hour |
| First-hour labour | £65–£105 | Labour only — excludes callout fee |
| Emergency repair all-in | £200–£320 | Callout plus first hour combined |
| General plumbing callout | £120–£180 | First hour including attendance |
| Subsequent hours | £65–£105/hr | After first hour |
| New homeowner assessment | £150–£250 | Two-hour structured visit with written summary |
| Multi-job visit (three hours) | £250–£400 | Most efficient way to clear a job list |
What affects emergency pricing: Time of day carries the biggest premium — out-of-hours callouts in evenings, weekends and bank holidays typically sit at the upper end of the callout range.
Distance from the plumber’s base, parts availability on a same-day basis, and access complexity all affect the final cost. Always confirm the callout fee and hourly rate before the plumber attends.
Boiler repair costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Diagnostic / callout | £120–£180 | Assessment and fault identification |
| Standard repair all-in | £200–£350 | Most faults without major parts |
| Heat exchanger replacement | £300–£500+ | Worst case — heavily scaled units |
| Diverter valve replacement | £200–£350 | Supply and fit |
| Pump replacement | £200–£350 | Supply and fit |
Hard water note: Boilers in London’s hard water areas experience accelerated heat exchanger scaling.
Thames Water’s water quality data confirms most London postcodes sit in the hard to very hard water band.
A boiler without a magnetic system filter and inline scale reducer is degrading faster than the manufacturer’s expected lifespan accounts for. For specific hardness readings by postcode, use Thames Water’s postcode water quality checker directly.
Gas Safe requirement: All boiler repair work involving gas components must be carried out by a Gas Safe registered engineer. You can verify any engineer’s registration on the Gas Safe Register website before booking.
Boiler installation costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Like-for-like combi replacement | £2,800–£4,500 | Supply and fit — London premium |
| System boiler installation | £3,200–£5,000+ | Supply and fit |
| Back boiler / gravity system conversion | £3,800–£6,000+ | Dependent on pipework required |
| Magnetic system filter | £150–£280 | Strongly recommended in hard water postcodes |
| Power flush / magna-cleanse | £300–£500 | Commonly required to meet manufacturer warranty conditions |
| Typical straightforward combi replacement | £2,800–£3,800 | Includes filter, commissioning, Gas Safe certificate |
Boiler Upgrade Scheme — 2026: The government’s Boiler Upgrade Scheme currently funds heat pump installations — £7,500 for air source and ground source heat pumps, and £5,000 for biomass boilers in eligible cases.
Gas boiler replacements do not qualify for any grant funding under the current scheme. Source: GOV.UK Boiler Upgrade Scheme
Legal requirement: All boiler installations must be carried out by a Gas Safe registered engineer and registered with Building Control on completion.
Building Regulations compliance is required for all boiler installations. The compliance certificate is commonly requested during property sale conveyancing. Source: GOV.UK — Building Regulations
Boiler servicing costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Annual boiler service | £100–£130 | London 2026 verified rate |
| Service + Gas Safety Certificate (CP12) | £120–£160 | Landlord legal requirement — completed in one visit |
| Service + minor repair | £150–£220 | — |
| Magnetic filter clean (added to service) | £30–£60 | Additional to service cost |
Landlord legal requirement: Landlords are legally required to hold a valid Gas Safety Certificate (CP12) for every gas appliance in every rented property.
The certificate must be issued annually by a Gas Safe registered engineer and provided to current tenants within 28 days of issue.
The check can be completed up to two months before the certificate’s expiry date while retaining the original anniversary date. Failure to comply can lead to enforcement action and prosecution. Source: GOV.UK Gas Safety Records
Warranty condition: Most major boiler manufacturers — including Worcester Bosch, Vaillant, Baxi and Ideal — specify annual servicing as a condition of the warranty. A boiler without a complete service history in its Benchmark logbook is effectively operating without warranty cover.
Carbon monoxide safety: An annual service by a Gas Safe registered engineer is the check that identifies developing faults — including cracked heat exchangers and partially blocked flues — that can lead to carbon monoxide leaks.
Carbon monoxide is silent and odourless. Annual servicing is a safety obligation, not just a warranty requirement.
Central heating repair costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Diagnostic visit | £120–£180 | Assessment and fault identification |
| TRV or manual valve replacement | £120–£180 | Per radiator — includes drain-down or pipe freeze |
| Pump replacement | £240–£400 | Supply and fit |
| Pressure vessel recharge | £100–£180 | — |
| Power flush (full system) | £450–£750 | Full man-day — higher for microbore or heavily sludged systems |
| Magnetic filter installation | £180–£280 | Fitted to central heating return |
| Typical single-fault repair | £180–£320 | Most jobs resolved within two hours |
Radiator fault diagnosis: Cold at the bottom of a radiator is magnetite sludge — a power flush resolves it without touching the boiler.
Cold at the top is trapped air — bleed the radiator before calling a plumber. Pressure loss has three causes: a system leak, a failing pressure relief valve, or a faulty expansion vessel.
Each has a different fix and a different cost — a plumber can identify which within the first visit.
Power flush note: In London’s hard water areas, magnetite sludge accumulation is faster than in soft water areas.
A system clean or flush is commonly required under manufacturer installation instructions and warranty conditions, depending on brand and system condition.
Blocked drain costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Standard drain clearance (rods) | £120–£180 | Kitchen, bathroom, single fixture |
| High-pressure water jetting | £180–£350 | Grease blockages, shared drains, external runs |
| Basic CCTV survey | £150–£250 | Initial camera inspection and diagnosis |
| Full CCTV survey with report | £250–£450 | Insurance-grade — commonly requested for property sales |
| Root cutting and removal | £300–£600+ | Victorian clay drains |
| Drain excavation and repair | £500–£2,000+ | Structural collapse, full section replacement |
| Typical straightforward clearance | £120–£200 | Single-fixture blockage cleared within one visit |
Thames Water responsibility: Since 2011, Thames Water has been responsible for shared lateral drains — the sections of drain that run from the boundary of one property, under shared ground, to the public sewer.
If a blockage affects neighbouring properties, contact Thames Water before commissioning private work. Source: Thames Water Sewers & Drains
CCTV survey note: For recurring blockages, property sales, or any external or shared drain issue, a CCTV survey should be completed before or immediately after clearance.
Leak detection costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Trace & access diagnostic survey | £490–£695 | Full detection visit — written report included |
| Thermal imaging survey | £250–£399 | Underfloor heating leaks, damp mapping |
| Tracer gas detection | £495–£695 | Deep or small leaks undetectable by other methods |
| Minor visible leak repair | £120–£180 | Accessible — no investigative access required |
| Access work (opening walls, floors) | £150–£400+ | Dependent on construction type and extent |
Insurance note: Most buildings insurance policies include trace and access cover — the cost of finding and accessing a leak, separate from the repair itself.
Escape of water claims can be significant. Notify your insurer before commissioning detection work.
Water meter test: Check your water meter at night before bed and again first thing in the morning without using any water overnight. If the reading has changed, you have an active leak on the supply side — book a specialist before the damage spreads.
Burst pipe repair costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Emergency callout | £120–£180 | Attendance and assessment |
| Straightforward burst repair | £150–£200 | Accessible pipe — excludes callout |
| Burst within wall or floor | £300–£600+ | Cutting, repair, making good |
| Lead pipe section replacement | £200–£400 | Per section — specialist handling |
| Full lead mains replacement | £1,500–£3,500 | Full supply pipe renewal |
| Typical all-in burst repair | £260–£320 | Accessible pipe within two hours |
What to do immediately: Turn off the stopcock. Turn off the boiler and isolate electrics near water.
Call a plumber and photograph all damage before drying begins. If the stopcock is seized, apply penetrating oil such as WD-40, wait a minute, then try gently — do not force it. The external street stopcock is the fallback if the internal one cannot be operated.
Insurance note: Notify your insurer promptly and take reasonable steps to prevent further damage, in line with your policy terms.
Toilet repair costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Fill valve replacement | £120–£180 | Supply and fit |
| Siphon or flush valve replacement | £100–£160 | Supply and fit |
| Push-button dual flush valve | £120–£180 | Supply and fit |
| Pan-to-soil-pipe connector | £120–£180 | Supply and fit |
| Wobbly pan repair (floor flange) | £150–£250 | Dependent on floor type |
| Full toilet replacement | £250–£500 | Supply and fit |
| Typical single-fault repair | £130–£180 | Most jobs resolved within one visit |
Hard water note: In London’s hard water areas, fill valves, siphon diaphragms and flush mechanisms fail significantly earlier than in soft water areas.
A constantly running toilet is almost always a fill valve fault — not a reason to replace the toilet. Descaling or replacing the fill valve resolves it in under an hour and eliminates the water waste a running cistern causes.
Tap repair & installation costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Cartridge or washer replacement | £120–£180 | Standard parts supply and fit |
| Premium brand cartridge | £150–£250 | Grohe, Hansgrohe, Vado |
| O-ring or body seal replacement | £100–£160 | Supply and fit |
| Like-for-like tap replacement | £150–£220 | Fitting only |
| Monobloc mixer tap installation | £180–£300 | Includes pressure check and connection |
| Pipework adaptation (imperial to metric) | £80–£150 | Older London properties |
| Typical tap repair | £130–£180 | Single-fault jobs within one visit |
Water pressure note: Victorian terraces with gravity-fed hot water systems typically run at 0.1 to 0.3 bar on the hot supply without a pump.
A monobloc mixer tap requires a minimum of 0.5 to 1 bar to function correctly. Check supply pressure before purchasing any new tap for an older London property — buying the wrong tap costs more to fix than the tap itself.
Hard water note: A dripping tap in London is almost always a ceramic disc cartridge damaged by limescale. Replacing the cartridge without addressing the hard water cause means the same fault is likely to recur — how quickly depends on the hardness level, usage and whether any scale protection is fitted.
Bathroom plumbing costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Shower repair (cartridge/valve) | £150–£280 | Supply and fit |
| Shower pump installation | £300–£500 | Supply and fit |
| Bath tap replacement (like-for-like) | £150–£220 | Fitting only |
| Shower enclosure installation | £200–£400 | Fitting only — excludes enclosure cost |
| Bath replacement (like-for-like) | £300–£500 | Fitting only — excludes bath cost |
| Basin and pedestal replacement | £200–£350 | Fitting only |
| Macerator service or pump replacement | £150–£350 | Supply and fit |
| Full bathroom fit-out (first + second fix) | £1,200–£2,000 | Standard four-fixture bathroom |
| Single bathroom repair | £150–£250 | Single-fixture fault within one visit |
First fix / second fix note: Any bathroom refurbishment involving new tiling requires two plumbing visits — first fix before tiling and second fix after.
Pressure testing between first and second fix is the only way to confirm there are no leaks before they’re hidden behind tiles.
A plumber who skips pressure testing between stages is creating a problem that only reveals itself through a kitchen ceiling six months later.
Shower pressure note: A shower that underperforms in a Victorian terrace is almost always a gravity-fed system issue, not a shower fault.
Measure static water pressure at the shower outlet before specifying any new shower valve. Below 1 bar on the hot side, a mains-pressure thermostatic valve will not perform as specified.
Kitchen plumbing costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Kitchen sink and tap installation | £150–£280 | Fitting only |
| Dishwasher connection | £100–£180 | Supply, waste and isolation valve |
| Washing machine connection | £100–£160 | Supply, waste and isolation valve |
| Boiling water tap (plumbing only) | £200–£350 | Excludes electrical spur — coordinate separately |
| Filtered water tap installation | £150–£250 | Includes filter housing |
| Waste disposal unit (plumbing only) | £150–£250 | Excludes electrical connection |
| Gas cooker or hob connection | £120–£200 | Gas Safe registered engineer required |
| Under-sink water softener | £300–£600 | Supply and fit |
| Kitchen refit (first + second fix) | £800–£1,500 | Standard kitchen |
Gas Safe requirement: Gas cooker and hob connections must be carried out by a Gas Safe registered engineer.
This is a legal requirement — not a recommendation. Connecting or capping a gas supply without Gas Safe registration is illegal and may affect insurance cover depending on policy terms.
Hard water and kitchen appliances: London’s hard water accelerates scale build-up in dishwashers, boiling water taps and filtered water systems.
Filter cartridges in hard water areas require more frequent replacement than manufacturers’ standard soft water intervals suggest.
Budget for accelerated maintenance costs when specifying any filter-dependent appliance in a London property.
Washing machine & dishwasher installation costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Washing machine connection | £100–£160 | Existing waste point |
| Dishwasher connection | £100–£180 | Existing waste point |
| Integrated dishwasher installation | £150–£220 | Includes unit access |
| New standpipe installation | £150–£250 | Where no dedicated waste point exists |
| American fridge-freezer water line | £100–£180 | Cold supply to fridge position |
| Isolation valve upgrade | £80–£120 | Per pair |
| Double check valve installation | £80–£140 | Required in some managed developments |
| Typical straightforward connection | £120–£180 | Like-for-like with existing supply and waste |
Flood risk note: A supply hose failure under mains pressure releases 10–15 litres per minute.
Isolation valves on every supply connection and supply hose replacement at regular intervals — five years is a commonly cited guideline, though manufacturers’ recommendations vary by product — are the two most effective preventive measures.
A plumbing connection should include suitable supply, waste and isolation arrangements. A proper plumbing connection is usually a short job and helps reduce the risk of water damage.
Commercial plumbing costs
| Service | Typical London range 2026 | Notes |
|---|---|---|
| Commercial callout rate | £150–£250/hr | Reflects insurance, compliance knowledge and SLA requirements |
| Legionella assessment (simple HMO) | £90–£250 | Single property, straightforward risk profile |
| Legionella assessment (commercial) | £350–£1,500+ | Offices, care homes, blocks — starts £300–£350 + VAT for larger outlet counts |
| TMV service (multi-valve visit) | £80–£150/valve | Dated service record included — confirm TMV2 or TMV3 scheme interval |
| TMV service (single standalone) | £250–£300 | One-off visit |
| Backflow prevention device | £200–£600+ | Per device — fluid category dependent |
| Grease trap installation | £800–£2,500+ | Size and access dependent |
| Commercial boiler service | £150–£300 | Gas Safe commercial endorsement required |
Legionella legal duty: Employers and people in control of non-domestic premises have a legal duty under HSE L8 to assess and manage Legionella risk in water systems.
This covers offices, HMOs, care homes, schools, hotels and managed residential blocks. A written risk assessment must be carried out by a competent person, a documented control scheme implemented, and records maintained.
The risk assessment should be reviewed periodically and when circumstances change. Failure to comply can lead to enforcement action and prosecution under health and safety law. Source: HSE L8 Legionella Guidance
TMV servicing note: Under the TMV3 scheme, healthcare settings such as hospitals and care homes typically require testing every six months.
Under the TMV2 scheme, commercial and domestic settings follow annual servicing as standard. Confirm which scheme applies to your premises before agreeing a servicing schedule.
Water Regulations 1999: All commercial plumbing must comply with the Water Supply (Water Fittings) Regulations 1999, including fluid category backflow prevention requirements. Source: Water Supply Regulations 1999
Gas Safe commercial endorsement: Not all Gas Safe registered engineers hold a commercial gas endorsement. Commercial gas work requires the correct Gas Safe category for the appliance type. Confirm the specific commercial endorsement when booking any commercial gas work.
London hard water — what it means for plumbing costs
Hard water is the single most significant environmental factor affecting plumbing maintenance costs in London — and the least understood by homeowners and landlords.
Thames Water’s water quality data confirms most London postcodes sit in the hard to very hard water band.
Hard water deposits calcium carbonate — limescale — on every surface it contacts: inside pipes, on boiler heat exchangers, on shower valve cartridges, inside dishwashers and washing machines, on tap cartridges and fill valves.
For specific hardness readings by postcode, use Thames Water’s postcode water quality checker directly.
The practical cost impact across property types:
Boiler heat exchangers scale up faster — reducing efficiency, increasing running costs, and shortening lifespan compared to soft water areas.
Shower cartridges and thermostatic valves fail earlier — hard water cartridges typically fail significantly earlier than in soft water areas, though exact intervals vary by product, usage and hardness level.
Dishwasher elements and spray arms degrade faster — requiring more frequent descaling and earlier replacement. Fill valves and tap cartridges fail more frequently — the most common cause of dripping taps in London.
Power flushes are required more frequently — magnetite sludge accumulation in central heating systems is accelerated by hard water corrosion.
The mitigation options — practical priority order:
1. Magnetic system filter on central heating return — protects the boiler and system from magnetite. £180–£280 fitted. Generally considered a cost-effective first step for any London property with central heating.
2. Scale reducer on boiler cold water inlet — protects the heat exchanger from limescale build-up. Usually included in a quality boiler installation. If not fitted, ask why.
3. Inline scale filters on taps and showers — extends cartridge and valve life considerably. Low cost, high return on investment in hard water postcodes.
4. Point-of-use water softener under the kitchen sink — softens water for drinking, dishwasher and kitchen appliances. £300–£600 fitted.
5. Whole-house water softener — softens all water entering the property. Protects boiler, heating system, all bathroom and kitchen fixtures simultaneously. Most comprehensive solution — most significant upfront cost, most significant long-term saving.
Compliance summary for landlords
Landlords in London carry specific legal plumbing obligations. This is a summary — not legal advice. Confirm current requirements with a qualified professional.
| Obligation | Frequency | Legal basis | Source |
|---|---|---|---|
| Gas Safety Certificate (CP12) | Annual | Gas Safety (Installation and Use) Regulations 1998, Regulation 36 | GOV.UK |
| Legionella risk assessment | On taking control; review periodically and when circumstances change | Health and Safety at Work Act 1974 / HSE L8 | HSE |
| TMV2 servicing | Annual | TMV2 scheme | Confirm with scheme documentation |
| TMV3 servicing (healthcare settings) | Every 6 months | TMV3 scheme / HTM 04-01 | Verify against current scheme documentation |
| Boiler service (warranty condition) | Annual | Manufacturer warranty terms | Manufacturer documentation |
| Water Regulations compliance | On all new plumbing work | Water Supply Regulations 1999 | Legislation.gov.uk |
Methodology & sources
This guide is compiled and reviewed annually by the Verified Plumbers editorial team.
Pricing data is cross-referenced against current London trade activity across our directory network.
No payment is accepted from any contractor, manufacturer or supplier to influence pricing figures or recommendations. This guide has no commercial relationship with any brand mentioned.
Pricing methodology: All prices are typical London 2026 ranges compiled from our directory network and cross-referenced against current London trade activity.
They reflect the known cost pressures on a compliant, insured, lawfully operating London plumbing business — including ULEZ charges, London Congestion Charge where applicable, London parking costs, and the London Living Wage of £14.80 per hour.
These are directional ranges, not guaranteed quotes, and not derived from a single published benchmark. Individual quotes will vary by job complexity, parts availability, access and contractor.
Always obtain a written itemised quote before work begins.
Review schedule: This guide is reviewed and updated every April. Pricing data, compliance obligations, statutory instrument references and source URLs are all verified at each review. The next scheduled review is April 2027.
If you identify any data that appears outdated or inaccurate, contact us via the site. We take accuracy seriously — corrections are reviewed and applied promptly.
Data sources:
- Thames Water — Water Quality — hard water classifications for London postcodes
- Thames Water — Sewers & Drains — shared lateral drain responsibility
- GOV.UK — Boiler Upgrade Scheme — BUS grant eligibility 2026
- GOV.UK — Landlord Gas Safety Records — CP12 legal requirements
- GOV.UK — Building Regulations — installation compliance
- HSE — L8 Legionella Guidance — commercial Legionella obligations
- Water Supply Regulations 1999 — commercial plumbing compliance
- Gas Safe Register — engineer registration and qualification verification
Find a verified plumber for your borough
This guide covers pricing across all London boroughs. To find a verified local plumber for your specific service and area:
- Emergency Plumber London
- Boiler Repair London
- Boiler Installation London
- Boiler Servicing London
- Central Heating Repair London
- Blocked Drains London
- Leak Detection London
- Burst Pipes London
- Toilet Repairs London
- Tap Repair & Installation London
- Bathroom Plumbing London
- Kitchen Plumbing London
- Washing Machine & Dishwasher Installation London
- General Plumbing London
- Commercial Plumbing London
Or browse by borough: All London Boroughs →
Every engineer listed has passed the Verified Plumbers 16-Point Check before listing — covering ID verification, Gas Safe Register status (where applicable), public liability insurance, business legitimacy, insolvency and strike-off screening using publicly available UK records including Companies House, and review history across major UK platforms including Google and Trustpilot. Checks are carried out at time of approval and repeated annually.
This guide is based primarily on UK legislation, official regulatory guidance, water company information, and selected industry data sources where stated. It is intended as general information and does not replace advice from a qualified professional where required.
Last reviewed: April 2026 | Next review: April 2027