★★★★★ 4.9/5 · 500+ reviews
The National Drainage Company clears blocked drains across Havering 24/7, covering the RM postcodes — Romford, Hornchurch, Upminster, Rainham and Elm Park. Pre-agreed prices, fast local response.
Havering is one of London's outermost boroughs, mixing the busy town centre of Romford with the leafier suburbs of Hornchurch and Upminster and the low-lying Rainham marshes along the Thames. The inter-war and post-war semis across the borough run on shared clay drainage prone to root ingress, while the marshland south towards Rainham and Wennington is genuinely flood-prone with a high water table. On the rural eastern fringe, properties often run on private drainage and septic tanks. Blocked shared drains, surface-water flooding and septic-tank work are all part of the Havering picture.
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 |
|---|---|
| Romford | ~6 min |
| Hornchurch | ~17 min |
| Upminster | ~6 min |
| Rainham | ~7 min |
| Elm Park | ~12 min |
| Gidea Park | ~16 min |
| Harold Wood | ~9 min |
| Collier Row | ~14 min |
| Emerson Park | ~16 min |
We aim to reach most jobs in Havering within 60 minutes, 24/7. Call us and we'll confirm an arrival time for your postcode.
Yes — for the borough's rural fringe we offer tanker services and septic-tank emptying with licensed disposal.
You're normally responsible for pipes within your boundary; the shared sewer beyond is usually Thames Water's.
Yes — we cover Havering 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 Havering.
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 Havering — 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
