Blocked Toilet & Sink Repair in London
Blocked Toilets, Sinks and Wastes We Clear
Blocked or Overflowing Toilets
Water rising in the pan, a weak flush or a bowl that will not clear. We remove the blockage, check the pan and branch pipe, and test the flush several times.
Toilet ClearedSinks, Basins and Baths
Water draining slowly or not at all, usually from hair, soap or grease. We clear the trap and waste and refit every joint properly.
Trap & Waste ClearedGreasy Kitchen Sinks
Standing water, gurgling and smells from the kitchen waste, often from fat setting inside the pipe. We clear the run and tell you how to stop it coming back.
Grease RemovedShower and Bath Wastes
Trays and baths that hold water. We clear the hair and soap from the waste and trap and check the seals while we are there.
Waste ClearedSmells and Gurgling Pipes
Bad smells, gurgling when something else drains, or a dry trap can mean a partial blockage or a waste fault. We trace and fix it.
Source TracedBlockages That Keep Coming Back
If a waste keeps blocking, something is wrong with the pipe itself, such as a poor fall or a slipped joint. We find it and quote to put it right.
Cause Found and FixedToilet Blockage or Drain Blockage? Finding Where It Really Is
Blocked Sink Repair and Waste Pipe Fixes That Last
Damaged Wastes and Traps Replaced
Cracked wastes, failed joints and worn traps renewed with the right fittings, so water falls properly and nothing collects.
Honest About What We Do
If the blockage is in an outside drain or a public sewer, we tell you plainly and point you to the right people.
12-Month Workmanship Guarantee
Repairs and fittings we supply are covered for 12 months, with a written note of what we found and did.
From Blocked to Free-Flowing in Three Steps
Tell Us What Is Blocked
Which toilet, sink or waste, whether it is overflowing, and whether anything else is slow too.
Advice to limit the messWe Check and Quote
We look at the fitting and the pipework we can reach, explain the cause and give you a written price.
Price agreed before workWe Clear and Tidy Up
The blockage is cleared with floors protected, the flow is tested, and any pipe faults are explained.
Area left cleanHow Much Does It Cost to Unblock a Toilet?
For one toilet, sink, basin or bath waste that is easy to reach.
- Plunger and hand auger clearance
- Trap cleaned and refitted
- Flow and flush test
- Advice to prevent repeat blockages
For several blocked fixtures or blockages that keep returning.
- Waste rod clearance
- Branch pipe checked
- Accessible pipework inspected
- Written findings and repair options
For damaged or badly laid indoor waste pipes.
- Pipe repair or section replaced
- Trap replaced
- Landlord and business coordination
- 12-month workmanship guarantee
Written Price Before Work
The price covers the job as agreed.
Blocked Toilets & Drains FAQs
How much does it cost to unblock a toilet?
A 2026 price guide says a simple blocked toilet or sink can cost from about £30, while London drain unblocking typically runs £100 to £350 (Fantastic Services). We look at the blockage first and agree a written price with you before we start.
Is a blocked toilet the landlord’s responsibility?
Usually, yes, because landlords must keep toilets and drainage in working order under section 11 of the Landlord and Tenant Act 1985. If the tenant caused the blockage, for example by flushing wipes, the landlord may ask them to pay. Tenants should report it to the landlord or agent quickly.
How do I know if it is a toilet blockage or a drain blockage?
If only one toilet or sink is slow, the blockage is usually in that fixture or its waste pipe, which we can clear. If several fixtures back up together, or water rises in a downstairs toilet when you use the bath, the problem is likely further down in the drain.
What should I do first if my toilet is overflowing?
Stop flushing and stop using anything that drains into the same pipe. Turn off the cistern’s isolation valve if you can reach it, move belongings away from the water and put towels down. Then call us and we will tell you what to do while you wait.
Can I use drain-cleaning chemicals before you arrive?
We advise against it. Strong chemicals can damage older pipes, are unpleasant to handle if water is standing, and can splash back during clearance. If you have already used one, tell the plumber so they can take care, and never mix two different products together.
What causes a toilet or sink to block again and again?
Wipes, sanitary products, fat and grease, hair and soap are the usual causes. A waste pipe that is laid too flat or has a slipped joint also collects debris. We check the accessible pipework for these faults and quote to put them right so the blockage stops coming back.
Do you carry out CCTV drain surveys or drain relining?
No. We clear toilets, sinks, baths, showers and the waste pipes inside your property. If the blockage is in an outside drain or a public sewer, we tell you plainly and explain who to contact, rather than taking on work we do not offer.
Urgent or Can It Wait?
Not sure whether a blockage needs someone today? Call us for practical advice on what to do next.
020 3831 5477Direct Line
Speak to a Plumber
Book a Plumber to Unblock Your Toilet or Sink
✓ CHAS · SafeContractor · Constructionline Gold