Blocked U-Bend Cleared Quickly — Full Drainage Restored to Your Sink in Dudley
The U-bend under your sink is where most blockages gather. We clear it properly and have water draining freely, often within the hour.
Booking fee plus hourly labour — the price is confirmed before any work starts.
What this costs
| Booked 14+ days ahead | £25 booking fee £85 per hour |
|---|---|
| Booked within 48 hours | £100 booking fee £65 per hour |
| Same-day call-out | £220 booking fee £45 per hour |
The booking fee secures the visit. Labour is then charged by the hour, so you only pay for the time the job actually takes.
Booking fee £25–£220
£25 + £85/hr booked 14+ days ahead, £100 + £65/hr inside 48 hours, £220 + £45/hr same day. Agreed before we arrive.
Covered under Blockages
Plumbing › Blockages — one of 20 documented jobs in this section.
Same-day blocked u-bend clearance
Urgent jobs can often be booked for today. Ask when you book and we will confirm the slot before you pay anything.
15 service areas
Birmingham, Coventry, Dorridge and 12 more across the West Midlands.
Why the U-Bend Is the Usual Suspect
Every sink, basin and bath has a U-bend — the curved section of pipe directly below the plughole. It holds a small amount of water permanently, and that water seals the pipe so smells from the drainage system cannot come back up into your home. It is a clever piece of plumbing, but the shape has a drawback: anything heavy or sticky that goes down the plug tends to settle in the bottom of the curve and stay there.
In kitchen sinks the trap collects cooking fat, grease and food fragments that congeal together into a solid plug. In bathroom basins it collects soap scum, toothpaste residue and hair. Over weeks and months the space in the bend narrows until water barely trickles through. Because the blockage sits within reach of the trap, it is also one of the most straightforward blockages to clear properly — provided it is done correctly.
Why It Gets Worse Over Time
A U-bend does not partially block; it accumulates. Each wash leaves a little more deposit in the curve, so drainage slows gradually rather than failing overnight. Many people live with a slow sink for weeks, running hot water or pouring cleaner down in the hope it will shift, while the plug in the trap grows firmer and larger.
Waiting brings other problems. Standing water in the trap mixes with the debris and produces odours that no amount of bleach will fix, because the cause is sitting below the plughole in the bend itself. Grease traps can eventually harden to the point where the trap needs disassembly rather than a quick clear. And a fully stalled U-bend means that sink is out of action — a real problem when it is the kitchen sink.
How We Diagnose It
We confirm the location first. If water sits in the sink and drains very slowly or not at all while other outlets in the property work normally, the trap is the prime suspect. We check the plug and waste opening for visible debris, then test flow to see whether the restriction is in the trap itself or slightly further along the waste pipe.
If it turns out the blockage is not in the U-bend, we will say so and trace it rather than stripping pipework needlessly. Diagnosing properly first means the job is done in one visit wherever possible, with no guesswork and no repeat call-outs.
How We Clear It
Clearing a blocked U-bend is a clean, methodical job when done properly. We place protection under the trap, disconnect the bend or open its cleaning access, remove the compacted debris by hand and rinse the trap thoroughly until the curve is clear. We check the condition of the seals and washers while we are there, reassemble everything correctly and test the drainage with you watching.
The result is immediate: full flow, no standing water and, because the trap has been cleaned out and resealed, no lingering smells. We finish by running water through and confirming the trap holds its seal, so you know the job is complete rather than merely improved.
Prevention Tips
A few habits keep the U-bend working as designed. Wipe grease and food scraps from pans and plates into the bin before they reach the kitchen sink. Use a strainer over the plughole to catch food particles and hair. Occasionally flush the sink with hot water to carry residue through before it settles. In bathrooms, pull out visible hair at the plug rather than washing it down. And when drainage starts slowing, get it cleared before the trap packs solid — an early clear is a shorter job.
When to Call a Plumber
Call us if the sink will not drain at all, if it drains slowly despite your best efforts, or if smells keep returning from the plughole. If you would rather not take the trap apart yourself — or you have tried and it did not solve it — we will handle the whole job.
A blocked U-bend is one of the quickest blockages to put right. Book a call-out today and we will have your sink draining properly again, usually within the hour.
How the price works
We charge a booking fee to hold your slot, then an hourly rate for the work itself. The fee changes with how soon you need us; the hourly rate changes with the slot you choose. You approve the price before we start, so there is no surprise on the invoice.
Booked 14+ days ahead
£25 booking fee
then £85 per hour of labour
Best value. Book the slot now, pay the smallest booking fee.
Booked within 48 hours
£100 booking fee
then £65 per hour of labour
For jobs that can wait a day or two but not a fortnight.
Same-day call-out
£220 booking fee
then £45 per hour of labour
Urgent problems: standing water, no heat, no power, leaks.
Book the slot
Choose the window that suits you and pay the booking fee. That holds your place in the diary.
We diagnose on site
The engineer confirms the cause and tells you what the job involves and how long it should take.
You approve, we work
Nothing goes ahead until you agree the price. Labour is then charged per hour at your slot rate.
When the sink fills with water and will not drain, the U-bend underneath is the most likely culprit. It is the bend in the pipework designed to hold water and stop smells — and it is exactly where debris settles and packs solid. We clear the blockage, clean out the trap and restore full drainage, usually in a single short visit.
What our customers say about our plumbing service
4.7 out of 5 from 11 reviews
Second time we have used them
What I appreciated was being told what was actually wrong before anyone started. Sorted in under 32 minutes and the invoice matched the quote to the penny.
Job: Loose Pipe Connections Repair
Worth the booking fee
Booked the £220 booking-fee slot on Tuesday and got a message confirming the time the same morning. The cause was explained, the price agreed before any work started, and the job was done in about 75 minutes. Clean and tidy when they left.
Job: Hidden Pipe Leak Repair
Turned up when they said
Turned up in the window they promised, walked me through the options (turns out the part had to be sourced locally), then cracked on. Everything was tested before they left. No mess, no drama, no surprise on the bill.
Job: Central Heating Leak Repair
Book Blocked U-Bend Clearance
Tell us what is happening and choose a slot. If you are not sure this is the right job, use the diagnosis panel — it narrows the problem down before you book.
- Booking fee confirmed up front
- Hourly labour, agreed before work starts
- Same-day slots for urgent problems
Questions people ask about blocked u-bend clearance
Straight answers to the things customers ask most often before booking.
What is the U-bend and why does it block?
The U-bend is the curved pipe directly under the plughole that holds water to block drain smells. Its shape makes debris settle and accumulate at the bottom of the curve. Fat, food, soap and hair build up there until water cannot pass.
Can I clear the U-bend myself?
You can try placing a bucket under the trap and unscrewing it, but many people find the reassembly and resealing is where it goes wrong, and a leaking trap causes its own damage. If you are not confident, it is a quick professional job.
Why does my sink smell even after cleaning?
The smell usually comes from debris decomposing inside the U-bend, below where cleaning products reach. Bleach masks it temporarily. Clearing and rinsing the trap removes the source and the smell with it.
How long does it take to clear a blocked U-bend?
It is a short job — typically around 45 minutes including disassembly, cleaning, reassembly and testing. Most visits are completed in a single appointment.
Will the sink drain properly straight away?
Yes. Once the trap is cleared and resealed, full drainage returns immediately and you will see it working before we leave. If flow is still weak, the restriction is further along the pipe and we will trace it there and then.
Need blocked u-bend clearance sorted in Dudley?
Book a slot in the diary and pay only the booking fee up front. We confirm the rest before we start.