Drains Cleared
Blocked outside drain being cleared with professional equipment

Blocked Drains in Chichester — Emergency Clearance for Separate Sewers

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 PO19, PO20, PO21, PO22.
PO19PO20PO21PO22
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We route to vetted local engineers covering PO19, PO20, PO21 and PO22 with a 60-minute response target for drain emergencies across Chichester and the surrounding area.

Blocked Drains in Chichester

Chichester's separate sewer system splits blockages between internal causes (scale from Southern Water's hard water, fats, wet wipes) and external ones (root ingress, pipe collapse). Victorian and Edwardian properties in PO19, PO20, PO21 and PO22 are particularly vulnerable: salt-glazed clay drains and corroded soil pipes fail regularly, worsened by coastal salt-laden air. Misconnections — washing machines draining into surface water lines — add a third layer of risk across the city.

Blocked drains in Chichester often stem from three causes: hard water scale (Southern Water's supply), tree root ingress (especially in Victorian properties), and misconnections (washing machines in surface drains). Engineers covering PO19–PO22 typically clear with high-pressure jetting; older clay drains may need excavation.

Drainage in Chichester — what local engineers know

Southern Water supplies Chichester (Chichester council area) with hard water causing limescale buildup in boilers and drain joints — high powerflush demand across the city. The separate sewer network creates additional risk: misconnections (washing machines plumbed into surface water drains) trigger environmental enforcement. Chichester has High flood risk from the River Test, River Itchen and River Meon — ground-floor and basement properties face sewer backflow in heavy rain, making non-return valves essential. Finally, 26% of housing predates 1920: salt-glazed clay drainage and lead-solder copper corrode in coastal salt-laden air, driving recurring blockages and collapses.

  • Hard water supply causes limescale accumulation in boilers, radiators and soil pipe joints — powerflush and descaling demand is high across Chichester
  • Separate sewer system across most of Chichester: misconnections (e.g. washing machines plumbed into surface water drains) are a known local issue and can result in environmental enforcement action
  • High flood risk in Chichester: basement and ground-floor properties near watercourses are vulnerable to sewer backflow — non-return valve installation is strongly recommended
  • Coastal salt-laden air in Chichester accelerates corrosion of external soil stacks, pipe brackets and galvanised fittings on exposed elevations
  • With 26% 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.

What happens when you call us in Chichester

  1. 1 Immediate dispatch. We find the nearest available engineer covering PO19/PO20 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 Chichester?

In Chichester, 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, Southern 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 Chichester.

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 Southern Water rather than paying for the repair yourself. The separate sewer layout that dominates Chichester affects where these boundaries typically fall, and our local engineers know the PO19, PO20, PO21 networks well enough to identify ownership quickly.

Blocked Drains prices in Chichester

Every Chichester 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. 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.

About drainage in Chichester

Local facts our engineers use when they arrive.

Population
10,000
Postcode districts
PO19PO20PO21PO22
Council
Chichester
Water authority
Southern Water
Flood risk
High — affected watercourses: River Test, River Itchen, River Meon
Property mix
Victorian 16%
Edwardian 10%
Interwar 20%
Postwar 30%
Modern 24%
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 ChichesterSeparate sewer system across most of Chichester: misconnections (e.g. washing machines plumbed into surface water drains) are a known local issue and can result in environmental enforcement actionHigh flood risk in Chichester: basement and ground-floor properties near watercourses are vulnerable to sewer backflow — non-return valve installation is strongly recommendedCoastal salt-laden air in Chichester accelerates corrosion of external soil stacks, pipe brackets and galvanised fittings on exposed elevationsWith 26% 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.

This information helps our engineers arrive prepared.

Illustrative example of typical work

Collapsed clay drain in a Victorian terrace, PO20 — surface water misconnection and root ingress

Area:
Chichester
Service:
Blocked Drain Clearance

A PO20 Victorian terrace owner reported garden odours and soggy patches near the boundary. Engineers discovered the original salt-glazed clay drain had collapsed with tree roots exploiting fractures; the washing machine was also misconnected to the surface water drain. Clearing required excavation, root removal, and reconnection to foul sewer.

This describes typical work performed by engineers in our network. Names and specific details have been omitted to protect customer privacy.

Blocked Drains in Chichester — FAQs

Why do drains block so often in Chichester?
Southern Water's hard water supply causes limescale buildup in soil pipes and joints, especially in older Victorian and Edwardian properties. Salt-glazed clay drains (common in pre-1930 properties) also deteriorate faster in Chichester's coastal salt-laden air. Misconnections (washing machines plumbed into surface water lines) are a third factor unique to Chichester's separate sewer system.
Should I install a non-return valve in Chichester?
Yes. Chichester has High flood risk designation from the Environment Agency (West Sussex area), with three major rivers (Test, Itchen, Meon) threatening ground-floor and basement properties. A non-return valve prevents sewer backflow during heavy rainfall, protecting your property from contaminated water backup.
What's a misconnection and why does Chichester have so many?
A misconnection occurs when a drainage outlet (usually a washing machine) is plumbed into the surface water drain instead of the foul sewer. Chichester's separate sewer system makes this mistake easy; it triggers environmental enforcement action if discovered. Local engineers routinely identify and fix misconnections during routine inspections.
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.

Other services available in Chichester

Blocked Drains near Chichester

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

Our Chichester service area

We route to vetted local engineers covering PO19, PO20, PO21 and PO22 with a 60-minute response target for drain emergencies across Chichester and the surrounding area. We attend callouts across the PO19, PO20, PO21, PO22 postcode districts. Nearby coverage includes Havant, Pulborough, Worthing, Aldershot, Fleet.

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Ready to book in Chichester?

We route to vetted local engineers covering PO19, PO20, PO21 and PO22 with a 60-minute response target for drain emergencies across Chichester and the surrounding area.

Get your free quote