Blocked Drains in Greater London (54)

Dealing with a blocked drain outside your house can be messy, smelly, and stressful. Whether it’s a slow gurgle or a full-on overflow, you’ll want it fixed properly, and quickly.

Blocked drains in London? Get it sorted, fast

At Checkatrade, we help you find the right drainage contractor near you. Every tradesperson listed has passed up to 12 checks and is backed by verified reviews from real customers. So whether you’re in a rented flat or a family home, you can hire with confidence.

From minor blockages to full-scale backups, our drainage trades cover it all, inside and out. Just type in your postcode to find checked trades who can clear blocked drains in London today.

Common drainage jobs in London

• Unblocking sinks
• Unblocking toilets
• Unblocking outside drains
• Unblocking underground pipes
• Jetting and rodding
• CCTV surveys for recurring problems

Average cost for drain services in London

For a straightforward blocked drain, expect prices to start from £80 - £120. If CCTV or excavation is needed, it could go higher.

What's included in a quote

• Call-out and labour
• Use of standard tools (e.g. rods, jetting equipment)
• Basic diagnostics

What might cost extra

• CCTV drain inspections
• Root removal or pipe relining
• Emergency out-of-hours visits

How long does it take to unblock a drain?

Most blockages are cleared in under 2 hours. Complex jobs can take a day or more.

Blocked drains in London: Homeowners vs renters

Who’s responsible for sorting a blocked drain? It depends on where you live and what’s causing the problem.

For homeowners

• If the blockage is within your property boundary, it’s usually your responsibility.
• If it’s in the public sewer beyond your boundary, it’s down to your local water company.
• No special paperwork is usually needed, unless you're digging or altering shared pipes.

For renters

• If you rent, contact your landlord or letting agent first.
• They’ll usually arrange the repair, especially if it’s an external or structural issue.
• If the blockage was caused by misuse (e.g. flushing wipes), you might be charged.

Find the right drainage help in London

Checkatrade makes it easy to find someone who deals with:

• Blocked outside drains
• Blocked drainpipes
• Drain jetting and rodding
• Drainage CCTV surveys
• Repairing broken or collapsed drains
• Drain relining
• Unblocking sinks, baths, and toilets

Just pop in your postcode and choose from checked trades rated by people like you.

Emergency drain unblocking in London

• Some problems can’t wait. You might need urgent help if you’re dealing with:
• Sewage backing up into your home
• A completely blocked toilet or kitchen drain
• Bad smells, gurgling or overflow outside
• Standing water that won’t drain after heavy rain

We’ve got you covered. Find emergency blocked drain help in London with Checkatrade and find services that are available 24/7.