Find verified plumbers across the borough of Hounslow — from Chiswick, Brentford and Isleworth through Hounslow town and Heston to Feltham, Hanworth and Bedfont. Every plumber here is checked before listing and re-verified annually, so you can contact a local plumber directly with confidence.

✅ Checked before listing — identity, insurance, trading presence, Gas Safe (where relevant). How we verify →
✅ Workmanship guarantee badges on listings — 1, 3, 6 or 12 months

Plumbers set their own rates — typical Hounslow cost guides are below, and enquiries go directly to the plumber with no middleman fee.

Contact verified plumbers in Hounslow ↓

Coverage: the whole borough of Hounslow — W4 (Chiswick), TW3, TW4 and TW5 (Hounslow, Heston, Cranford), TW7 (Isleworth and Osterley), TW8 (Brentford), and TW13 and TW14 (Feltham, Hanworth, Bedfont and Hatton). Confirm postcode coverage with your plumber when you call.

What this page covers: every verified plumbing service in Hounslow, plus who’s actually responsible when the problem isn’t yours to fix — water supplier, sewer, road gully or council repair route.

In a hurry? For a burst pipe or no water, go straight to Emergency Plumber in Hounslow. For drains backing up, start with Blocked Drains in Hounslow.

Costs: typical Hounslow price ranges are in the cost guide below — editorial estimates only; every listed plumber quotes their own prices.

Availability: response times and out-of-hours cover vary by plumber — check each listing and confirm directly.

Jump to: Services · Who’s responsible for what · Hard water · By district · Costs · FAQs

Plumbing services across Hounslow

Every service below has its own Hounslow page with verified local plumbers, borough-specific guidance and typical costs:

• Emergency Plumber in Hounslow — bursts, major leaks, no water, urgent overflows.
• Burst Pipes in Hounslow — finding the stop tap, stopping the damage, permanent repair.
• Leak Detection in Hounslow — tracing hidden leaks in floors, walls and flats.
• Blocked Drains in Hounslow — and whether the blockage is even yours to pay for.
• Toilet Repairs in Hounslow — running, leaking, blocked or broken WCs.
• Tap Repair & Installation in Hounslow — drips, stiff valves, scale-clogged aerators, new taps.
• General Plumbing in Hounslow — the everyday jobs that don’t fit a single label.
• Bathroom Plumbing in Hounslow — refits, showers, wastes and bathroom moves.
• Kitchen Plumbing in Hounslow — sinks, supplies, wastes and kitchen refits.
• Washing Machine & Dishwasher Installation in Hounslow — correct connection, no kitchen floods.
• Boiler Repair in Hounslow — Gas Safe registered engineers for faults and breakdowns.
• Boiler Installation in Hounslow — new and replacement boilers, installed and notified properly.
• Boiler Servicing in Hounslow — annual servicing and landlord gas safety checks.
• Central Heating Repair in Hounslow — cold radiators, pumps, valves and system faults.
• Commercial Plumbing in Hounslow — shops, restaurants, offices and landlords’ blocks.

Plumbing in Hounslow: a borough that changes by the mile

Hounslow runs from the Victorian streets of Chiswick at the edge of inner London to the Heathrow boundary at Bedfont and Hatton, and its housing — and therefore its plumbing — changes character almost mile by mile. The council’s own State of the Borough 2025 evidence shows that of the borough’s households, approximately half are flats or maisonettes (49%), with terraced houses (26%) and semi-detached houses (21%) forming most of the remaining half.¹ That mix matters when you’re choosing a plumber: a leak in a converted flat with a shared soil stack is a different job from the same leak in a Heston semi.

Renting matters here too. The same council evidence records that in 2021, for the first time since records began, private renting became the borough’s most common tenure — 31% of households, up from 12% in 1991.¹ A large private-rented sector means landlord consent, managing agents and tenancy responsibilities sit behind a lot of Hounslow plumbing jobs — worth knowing before work is booked, whichever side of the tenancy you’re on.

The borough is also building. Hounslow’s Cabinet has approved the Future Feltham Investment Framework to deliver up to 3,000 homes and over 9,000 jobs, with the Ministry of Defence site at its heart², and in March 2026 approved plans for 182 new council homes at the Charlton House and Albany House estate in Brentford, part of a wider ambition to deliver 1,000 new council homes across the borough.³ New-build blocks bring their own plumbing patterns — pressurised systems, communal risers, integrated appliances — alongside the borough’s older stock.

At the other end of the scale, heritage is a real constraint: Hounslow Council records around 26 conservation areas and around 540 listed buildings in the borough⁴ — so visible external pipework, flues and rainwater goods can need more careful handling in sensitive areas than on an ordinary street.

Who’s responsible for what: water, drains and repairs in Hounslow

More than most boroughs, Hounslow rewards knowing who to call before paying for a callout — because several common “plumbing” problems here aren’t the homeowner’s to fix at all.

Two water suppliers. Hounslow Council states that Thames Water is responsible for public water supply and wastewater treatment for the majority of Hounslow, but that Affinity Water manages some of the network too⁵ — so check your bill or your supplier by postcode before reporting a supply problem. Public-sewer problems route to Thames Water: the council’s flood guidance confirms Thames Water is accountable when sewers reach capacity during heavy rainfall or are blocked, on 0800 316 9800.⁶

Road water isn’t your plumber’s job. The council’s guidance is explicit: overflowing or blocked roadside gullies are the responsibility of Hounslow Highways on 020 8583 5555, and blocked gullies on red routes — the A316 or A205 — are the responsibility of Transport for London.⁶ A good plumber tells you that before quoting, not after.

Private drains are private. Hounslow’s flood-risk guidance sets out that landowners are responsible for private drainage — including private roads, driveways and internal pipework.⁷ Where a single property’s drain is blocked, that’s typically the owner’s cost; where several homes or the public sewer are involved, it escalates to Thames Water.

Council tenants have their own route. Hounslow Council directs tenants to report repairs and tenancy issues, including emergency repairs, on 020 8583 4000⁸ — and for boiler and gas-fire issues in council homes, the council’s housing contact page routes tenants to its gas partner on 0800 634 9434, with out-of-hours emergencies on 020 8583 2222.⁹ If you’re a Hounslow council tenant, use those routes first — a private plumber may be a cost you didn’t need.

Gas smells are nobody’s plumbing job. If you smell gas anywhere in the borough, call the National Gas Emergency Service on 0800 111 999, from outside the property.¹⁰

Everything that is your job — from a dripping tap to a full bathroom refit — is what the verified plumbers on this page are for.

Hard water in Hounslow

Hounslow sits in hard-water territory. Thames Water, which supplies most of the borough, explains that water across its region is hard because it passes through chalk and limestone before reaching the tap¹¹; for addresses on the Affinity-managed parts of the network, Affinity Water describes its supplied water as hard or very hard and provides a postcode check for the exact figure.¹² Because the borough has two suppliers, there is no single “Hounslow hardness number” — check your own postcode rather than relying on a borough-wide figure.

In practice, hard water shows up as limescale: furred tap aerators and shower heads, sticking thermostatic shower cartridges, scale around hot-water outlets, and shortened working lives for washing machines, dishwashers and heating components. It’s a common reason Hounslow households need plumbing maintenance — and it’s covered in depth in our London Hard Water Guide.

Find a verified plumber by district

Chiswick & Turnham Green (W4). Period terraces and converted flats around the High Road, flats above shops, and some of the borough’s most heritage-sensitive streets: in the Bedford Park and Gunnersbury Park conservation areas, Article 4(2) directions restrict otherwise-permitted works fronting a highway, open space or waterway¹³ — so external soil pipes, flues and rainwater goods need a plumber who checks before drilling. Riverside streets around Strand-on-the-Green and Grove Park add Thames-side drainage context.

Brentford, Kew Bridge & Syon (TW8). The borough’s sharpest old-meets-new contrast: Victorian and Edwardian terraces around The Butts and the High Street alongside new waterside apartments at Brentford Lock and the regeneration of the town centre — including the approved 182-home Charlton House and Albany House council scheme.³ In the new-build and waterside blocks, a leak often involves communal risers, block managers and leasehold access — the first job is establishing whether the fault sits inside the flat or in the building’s own system, which is exactly what Leak Detection in Hounslow covers. Add canal-side and Thames-side buildings, commercial units along the Great West Road, and — fittingly for a plumbing page — the London Museum of Water & Steam by Kew Bridge.

Isleworth, Osterley & Spring Grove (TW7). Riverside character in Old Isleworth, suburban streets through Spring Grove and Osterley, and serious water infrastructure: Thames Water’s Mogden Sewage Treatment Works sits here, and it’s the planned heat source for Phase One of the Hounslow Heat Network — £10.55m of Green Heat Network Fund money to supply up to 3,000 homes in Isleworth and Brentford through around 8.8 km of pipes, with construction expected from 2028.¹⁴ That’s a future consideration for heating choices here, not a live system today. TW7 has also already seen drainage investment: the council’s Thames Water Strategic Partnership schemes include SuDS at The Green School for Girls and Smallberry Green Primary School in Isleworth.¹⁵

Hounslow town, Lampton & Hounslow Heath (TW3/TW4). High-street plumbing at its most mixed: shops with flats above around the High Street and Treaty Centre, dense terraced streets in parts, and a strong rental market — and in those rentals, report a leak or heating fault to the landlord or agent in writing before authorising private work, unless it’s a genuine emergency that needs making safe first. The TW4 side also carries a documented drainage lesson — the council ran a formal Section 19 flood investigation at Ferndale Avenue, which has experienced multiple flooding incidents since 2013¹⁶ — a reminder that heavy-rain problems here can involve more than a blocked pipe.

Heston & Cranford (TW5). Practical west-London suburban work: family houses, flats and rentals reflecting the borough-wide mix, with River Crane drainage context to the south and west. No single housing era dominates here — which is exactly why a plumber who asks the right questions beats one who assumes. Around the Heathrow edge and the Great West Road corridor, plumbing also often means commercial premises — high-use WCs, staff welfare sinks, water heaters and planned maintenance rather than one-off domestic repairs — see Commercial Plumbing in Hounslow.

Feltham, Hanworth, Bedfont & Hatton (TW13/TW14). The borough’s west end, from Feltham High Street and The Centre out to Hanworth Air Park, Bedfont Lakes and Hatton Cross — and home to Hounslow’s most famous drainage fact: in October 2025, Thames Water removed a 100-tonne, 125-metre fatberg — mainly wet wipes congealed in fat, oil and grease — from a sewer in Feltham, more than ten metres below street level.¹⁷ If you needed one local reason not to flush wipes or pour fat down the sink, that’s it. For any west-borough drain problem, start with the responsibility test: one blocked fixture usually points inside the property; several homes affected, or sewage backing up outside, points to a shared drain or the Thames Water sewer — walked through step by step on Blocked Drains in Hounslow. Feltham is also the borough’s biggest regeneration focus under Future Feltham.²

What it costs in Hounslow

Editorial estimate only, to help you sense-check quotes. These are NOT regulated rates, NOT market data and NOT a published cost survey — every listed plumber sets and quotes their own prices.

One cost factor worth knowing: Hounslow is inside London’s ULEZ — the council confirmed the borough is fully covered by the expanded zone¹⁸ — so a plumber running a non-compliant van may factor the daily charge into callout pricing. The borough itself sits well outside the central London Congestion Charge zone¹⁹, so that charge doesn’t arise on journeys within the borough. See the full London Plumbing Costs & Compliance Guide for how London pricing works.

Frequently asked questions

Why verified plumbers — not a general directory

A borough that runs from listed Chiswick terraces to Heathrow-edge industrial units can’t be served by a directory that treats every plumber — and every postcode — the same. That’s the gap verification closes.

Every listing here is checked before going live and re-verified annually: we confirm the business is legitimately trading and verify the named contact, we check evidence of public liability insurance, and we confirm the plumber covers Hounslow’s W4, TW3, TW4, TW5, TW7, TW8, TW13 and TW14 postcodes before a profile is approved. Where gas work is involved, we confirm Gas Safe registration directly with the Gas Safe Register²⁰ — and on any gas job, ask to see the engineer’s Gas Safe ID card when they arrive. For water-supply work, you can also look a plumber up yourself on WaterSafe, the free, water-industry-backed national register.²²

Profiles may be suspended or removed if credentials lapse or credible concerns are raised — see the full verification process →

No customer middleman fee: enquiries go directly to the plumber.

Related areas

Verified plumbers across Hounslow’s neighbourhoods, including:

• Bedfont
• Brentford
• Brentford Lock
• Chiswick
• Cranford
• East Bedfont
• Feltham
• Grove Park
• Hanworth
• Hatton
• Heston
• Hounslow
• Hounslow Heath
• Hounslow West
• Isleworth
• Kew Bridge
• Lampton
• North Feltham
• Old Isleworth
• Osterley
• Spring Grove
• Syon
• Turnham Green

Related guides

• London Plumbing Costs & Compliance Guide 2026
• London Hard Water — The Complete Homeowner & Landlord Guide 2026
• How to Find Your Stop Tap (London Homes)
• New Homeowner Plumbing Guide — London 2026
• London Landlord Plumbing Compliance Checklist 2026
• How to Read a Plumbing Quote — A London Homeowner’s Guide 2026

Whatever the job — a Chiswick conservation-area soil stack, a Brentford new-build leak, a Heston boiler or a Feltham drain — the right starting point is a plumber whose identity, insurance, trading presence and (where relevant) Gas Safe registration have actually been checked. That’s every plumber on this page, across every Hounslow postcode.

Contact verified plumbers in Hounslow ↑

← Back to all London boroughs

Last reviewed: June 2026 by Adiel Khan — SFEDI-accredited business advisor 20+ years experience (South East Enterprise Ltd) and operator of VerifiedPlumbers. LinkedIn ↗

This page is checked for compliance and regulatory accuracy against Hounslow Council guidance, Thames Water, Affinity Water, the Gas Safe Register and Transport for London. Source links are provided within this page where relevant.

Sources & further reading

1. London Borough of Hounslow, State of the Borough 2025 — A Liveable Hounslow (housing stock mix; private renting as largest tenure) — https://democraticservices.hounslow.gov.uk/documents/s202784/20250908%20State%20of%20the%20Borough%20-%20Appendix%203%20-%20Liveable.pdf
2. London Borough of Hounslow — Future Feltham Investment Framework approval (up to 3,000 homes, 9,000+ jobs, MOD site) — https://www.hounslow.gov.uk/news/article/10149/future-feltham-cabinet-backs-bold-plan-for-homes-jobs-and-a-greener-town
3. London Borough of Hounslow — 182 new council homes approved at Charlton House and Albany House, Brentford — https://www.hounslow.gov.uk/news/article/10200/hounslow-council-approves-182-new-council-homes-in-brentford
4. London Borough of Hounslow — Design and conservation (around 26 conservation areas, around 540 listed buildings) — https://www.hounslow.gov.uk/planning-building/design-conservation
5. London Borough of Hounslow — Types of flooding (Thames Water majority supplier; Affinity Water manages some network; FOG blockage causes) — https://talk.hounslow.gov.uk/types-of-flooding
6. London Borough of Hounslow — Who to contact for different types of flooding (Thames Water sewer accountability and 0800 316 9800; Hounslow Highways gullies 020 8583 5555; TfL red routes A316/A205) — https://www.hounslow.gov.uk/environment/flooding/3
7. London Borough of Hounslow — Working together to manage the risk of flooding (landowner responsibility for private drainage) — https://www.hounslow.gov.uk/environment/flooding/5
8. London Borough of Hounslow — Contact us (repairs and tenancy issues including emergency repairs, 020 8583 4000) — https://www.hounslow.gov.uk/customer-services/contact-us
9. London Borough of Hounslow — Contact housing (council-home gas/boiler line 0800 634 9434; out-of-hours 020 8583 2222) — https://forms2.hounslow.gov.uk/info/20000/housing/1422/contact_housing
10. National Gas — Gas emergency contacts (0800 111 999) — https://www.nationalgas.com/emergency-contacts
11. Thames Water — Hard water (regional hardness explanation) — https://www.thameswater.co.uk/help/water-and-waste-help/water-quality/hard-water
12. Affinity Water — Water hardness (hard/very hard classification; postcode check) — https://www.affinitywater.co.uk/water-quality/hardness
13. London Borough of Hounslow — Permitted development, conservation areas and listed buildings (Bedford Park and Gunnersbury Park Article 4(2) scope) — https://www.hounslow.gov.uk/environment/improving-sustainability-home/14
14. London Borough of Hounslow — Hounslow secures £10.55 million for sustainable heating network (Hounslow Heat Network Phase One, Mogden, Isleworth and Brentford) — https://www.hounslow.gov.uk/news/article/10169/hounslow-secures-10-55-million-for-sustainable-heating-network
15. London Borough of Hounslow — Thames Water Strategic Partnership / drainage and flood improvement works (named SuDS schemes including The Green School for Girls and Smallberry Green Primary School) — https://forms2.hounslow.gov.uk/info/20006/environment/2482/flooding_in_hounslow/10
16. London Borough of Hounslow — Flood investigations (Ferndale Avenue Section 19 investigation; multiple incidents since 2013) — https://www.hounslow.gov.uk/environment/flooding/6
17. Thames Water — 100-tonne fatberg removed from a sewer in Feltham (October 2025) — https://www.thameswater.co.uk/news/2025/oct/thames-water-removes-100-tonne-fatberg
18. London Borough of Hounslow — Ultra Low Emission Zone (borough fully covered by expanded ULEZ) — https://www.hounslow.gov.uk/transport-traffic/ultra-low-emission-zone-ulez
19. Transport for London — Congestion Charge (central zone scope) — https://tfl.gov.uk/modes/driving/congestion-charge
20. Gas Safe Register — official register of gas businesses and engineers — https://www.gassaferegister.co.uk/
21. London Borough of Hounslow — Small HMOs Article 4 Direction borough-wide FAQs (planning permission required for C3→C4) — https://democraticservices.hounslow.gov.uk/documents/s184996/Appendix%206%20-%20HMOs%20Article%204%20Direction%20boroughwide%20FAQs.pdf
22. WaterSafe — national register of approved plumbing businesses — https://www.watersafe.org.uk/