Drains Cleared
Blocked outside drain being cleared with professional equipment

Drain Unblocking in Corby

Unlike generic plumbers, Drains Cleared specialises exclusively in blocked-drain recovery — our vans carry 4000psi jetters and CCTV as standard, not as an upsell. Serving NN17, NN18, NN19, NN20.
NN17NN18NN19NN20
We route to vetted local engineers covering NN17, NN18, NN19 and NN20 with a 60-minute response target for drain emergencies across Corby and the surrounding area.

Blocked Drains in Corby

Corby's separate sewer system—where rainwater runs through one pipe and foul water through another—creates unique blockage patterns. Toilet paper, hair, and fat balls lodge in the foul drain serving NN17, NN18, NN19, and NN20 homes. Surface water drains back up when washing machines are illegally plumbed into them (a frequent misconnection in Corby's Victorian stock). We clear blockages with jetting, roding, or CCTV and advise on repairs or misconnection remediation.

Corby has a separate sewer system: foul drain for toilets, surface water drain for rain. Blockages occur from toilet paper and hair in foul drains, or illegal misconnections of washing machines to surface water. Victorian clay sewers (NN17–NN18) collapse over 100 years; modern PVC (NN19–NN20) blocks from wet wipes and fat. CCTV and jetting fix most; excavation needed for broken pipes.

Drainage in Corby — what local engineers know

Anglian Water manages Corby's separate sewer network and inspects for illegal misconnections—discharging washing machines or sinks into surface water drains can result in environmental enforcement. The town's Victorian terraces (NN17) often feature original clay pipe sewers laid 1890–1920; these are prone to root intrusion and collapse over 100 years. Modern NN19–NN20 properties have plastic PVC sewers but still suffer from fat accumulation and flushable-wipe build-up. North Northamptonshire Council's building control requires proper pipe certification when replacing damaged foul drains. Hard water mineral deposits in Corby also slow flow in narrower pipework.

  • Hard water supply causes limescale accumulation in boilers, radiators and soil pipe joints — powerflush and descaling demand is high across Corby
  • Separate sewer system across most of Corby: misconnections (e.g. washing machines plumbed into surface water drains) are a known local issue and can result in environmental enforcement action
  • Ageing infrastructure in parts of Corby means drain blockages from grease, wipes and root ingress remain the most common call-out reasons
  • With a significant share of properties built before 1920, salt-glazed clay drainage and lead-solder copper pipework are common — pipe collapse, root ingress and joint failure are recurring call-out drivers.
  • Corby has Environment Agency flood warning areas nearby along the River Welland corridor — basement and ground-floor properties can face sewer backflow during heavy rain; non-return valves are strongly recommended.

What happens when you contact us in Corby

  1. 1 Immediate dispatch. We find the nearest available engineer covering NN17/NN18 and confirm the ETA before the call ends.
  2. 2 On-site diagnosis — no guessing. The engineer inspects using professional-grade equipment including CCTV where needed and quotes a fixed price before work starts.
  3. 3 Job complete, report issued. You receive a written completion report. All work is guaranteed — same fault returns within the guarantee period, we come back free.

Who's responsible for drains in Corby?

In Corby, responsibility for a blocked or damaged drain depends on where the fault sits. As a homeowner you are responsible for the drains within your property boundary that serve only your home. Since the 2011 private sewer transfer, Anglian Water is responsible for shared sewers and lateral drains beyond your boundary — even where they run under private land. Road gullies and highway drainage are maintained by North Northamptonshire.

This matters because it determines who pays. If our engineer's CCTV inspection shows the fault is in a shared sewer, we'll tell you — and you can report it to Anglian Water rather than paying for the repair yourself. The separate sewer layout that dominates Corby affects where these boundaries typically fall, and our local engineers know the NN17, NN18, NN19 networks well enough to identify ownership quickly.

Blocked Drains prices in Corby

Every Corby job is quoted as a fixed price before work starts — what we quote is what you pay, with no call-out fee for providing the quote. However, the final price depends on access (an external inspection chamber is quicker than internal-only access), the pipe material and condition , and how established the blockage or fault is. Request your free quote and we'll confirm the price and your engineer's ETA in the callback.

In summary, Blocked Drains in Corby is backed by a 12-month workmanship guarantee. Furthermore, every job includes a written completion report. Consequently, you have full documentation if the same fault recurs.

About drainage in Corby

Local facts our engineers use when they arrive.

Population
10,000
Postcode districts
NN17NN18NN19NN20
Council
North Northamptonshire
Water authority
Anglian Water
Flood risk
High — affected watercourses: River Welland, Willow Brook, Great Easton Brook
Property mix
Victorian Notable share
Edwardian Notable share
Interwar Notable share
Postwar Large share
Modern Notable share
Sewer type separate
Common local issues
Hard water supply causes limescale accumulation in boilers, radiators and soil pipe joints — powerflush and descaling demand is high across CorbySeparate sewer system across most of Corby: misconnections (e.g. washing machines plumbed into surface water drains) are a known local issue and can result in environmental enforcement actionAgeing infrastructure in parts of Corby means drain blockages from grease, wipes and root ingress remain the most common call-out reasonsWith a significant share of properties built before 1920, salt-glazed clay drainage and lead-solder copper pipework are common — pipe collapse, root ingress and joint failure are recurring call-out drivers.Corby has Environment Agency flood warning areas nearby along the River Welland corridor — basement and ground-floor properties can face sewer backflow during heavy rain; non-return valves are strongly recommended.

This information helps our engineers arrive prepared.

Blocked Drains in Corby — FAQs

What is a surface water misconnection and why is it a problem in Corby?
Corby's separate sewer system has a dedicated surface water drain (for rain) and foul drain (for toilets). Many older properties, especially NN17 terraces, were plumbed so washing machines drain into the surface water system by mistake. This violates environmental regulations and Anglian Water can serve a notice requiring correction. We identify misconnections via CCTV and advise how to re-plumb to the foul drain.
Do Victorian clay sewers in Corby often fail?
Yes. Corby's NN17 and NN18 Victorian terraces typically have clay pipe sewers laid 120+ years ago. Tree roots breach the joints; clay cracks under ground settlement. We use CCTV to confirm failure, then excavate and replace with PVC in sections. North Northamptonshire Building Control requires a completion certificate.
Why do modern properties in Corby NN19 still block?
Modern Corby estates have PVC sewers but residents flush wet wipes, cotton buds, and dental floss. These don't break down and create solid blockages. Fat from dishwashers also cools and sets in PVC pipework, narrowing the flow. We advise against flushing anything except toilet paper and recommend annual jetting to prevent blockage.
How quickly can you clear my blocked drain?
Most urban jobs are attended within 60 minutes, and the majority of blockages are cleared within the first hour on site.
What does it cost to unblock a drain?
Our standard blocked-drain callout starts at a fixed fee with no hidden extras. We quote before we start and only charge for the work we actually do.
Do you guarantee the work?
Yes. Every clearance comes with a written guarantee. If the same blockage returns within the guarantee period we return free of charge.
What causes most blocked drains?
The three biggest culprits are fats, oils and grease from kitchens; wet-wipes and sanitary items flushed down toilets; and root ingress from nearby trees into older clay pipework.

Blocked Drains near Corby

We cover towns within and around Corby. Click a town to see local engineer availability.

Our Corby service area

We route to vetted local engineers covering NN17, NN18, NN19 and NN20 with a 60-minute response target for drain emergencies across Corby and the surrounding area. We attend callouts across the NN17, NN18, NN19, NN20 postcode districts. Nearby coverage includes Market Harborough, Oundle, Oakham, Irthlingborough, Raunds.

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Ready to book in Corby?

We route to vetted local engineers covering NN17, NN18, NN19 and NN20 with a 60-minute response target for drain emergencies across Corby and the surrounding area.

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