★★★★★ 4.9/5 · 500+ reviews
The National Drainage Company clears blocked drains across Hounslow 24/7, covering the TW postcodes — Hounslow, Chiswick, Brentford, Isleworth and Feltham. Pre-agreed prices, fast local response.
Hounslow stretches along the Thames in west London, and the river defines much of its drainage. Riverside Chiswick, Brentford and Isleworth carry a genuine flood and surface-water risk, with older period housing on clay drainage that struggles when the water table rises. Inland, Hounslow, Feltham and Bedfont are more suburban, with inter-war and post-war housing near Heathrow, while the busy commercial strips and the airport's fringe add heavy trade drainage. Blocked drains, surface-water flooding and grease-laden commercial kitchens are all regular Hounslow work for us.
Older terraces run on clay pipework that tree roots find and split at the joints.
Kitchens and food businesses keep drains under constant FOG pressure.
Converted flats share soil stacks, so one wipe can back up several homes.
Older surface drains and gullies silt up and struggle in heavy rain.
"Fast, tidy and did exactly what they said. Couldn't fault them."
"Showed me the problem on camera and sorted it properly. No hard sell."
"Reliable and professional — one call and it was handled."
| Area | Approx. response |
|---|---|
| Chiswick | ~13 min |
| Brentford | ~8 min |
| Isleworth | ~12 min |
| Feltham | ~13 min |
| Bedfont | ~17 min |
| Cranford | ~18 min |
| Osterley | ~11 min |
| Heston | ~19 min |
| Hanworth | ~19 min |
We aim to reach most jobs in Hounslow within 60 minutes, 24/7. Call us and we'll confirm an arrival time for your postcode.
Yes — Chiswick, Brentford and Isleworth are prone to surface water; we clear overwhelmed drains and diagnose the cause.
You're normally responsible for pipes within your boundary; the shared sewer beyond is usually Thames Water's.
Yes — we cover Hounslow and the surrounding area around the clock, 365 days a year, for both emergency and planned drainage work.
Yes — as well as homes we look after shops, restaurants, offices, care homes and property managers throughout Hounslow.
Yes — we're fully insured, our engineers are DBS-checked, and we hold recognised industry accreditations including Water Jetting Association membership.
We confirm the drain is flowing freely before we leave, and if a blockage returns because we didn't clear it properly, we'll come back and put it right.
Wherever possible we use no-dig methods such as relining and localised patch repairs, so there's little or no excavation.
The same team, kit and pre-agreed price promise wherever you are in Hounslow — jetting, CCTV and no-dig repair carried on every van.
24/7 local response, pre-agreed price before any work, fully insured.
📞 Call now: 0800 246 5157
