Find the source of a major sink leak and stop water spreading
We inspect the basin, waste and supply connections, explain the fault and carry out an appropriate repair.
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 Sinks
Plumbing › Sinks — one of 17 documented jobs in this section.
Same-day major sink leak repair
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.
Causes
A major sink leak can start at several points. A flexible supply hose or compression joint may loosen or fail, a waste trap can crack, and seals around the tap or basin can deteriorate. Water may also travel along a pipe or cabinet surface before dripping, so the place where it pools is not always the source. A leak that appears only when the basin is emptied often points towards waste pipework; water present even when the tap is unused may suggest a supply-side issue. These are clues rather than a diagnosis, and the plumbing needs to be checked before replacing parts.
Why it worsens
A leak under a sink can soak stored items and cupboard panels before it becomes visible from the front. Persistent damp can damage finishes and reach flooring or a neighbouring room. A pressurised supply leak may continue even while the sink is not in use, whereas a waste leak may appear only during draining. That difference matters: repeatedly mopping without isolating the source gives water more time to spread. Tightening fittings without identifying the failed seal can crack plastic components or hide the leak temporarily. If water is near electrics, do not touch wet appliances or cables.
How we diagnose
We ask when the leak occurs, whether it is constant or linked to running or draining the sink, and whether the water appears clean or dirty. The plumber checks visible supply hoses, valves, tap connections, basin edges, waste fittings and the trap. Where practical, controlled testing helps show which part leaks; we also look for signs that water has tracked from elsewhere. If the source is inaccessible or damage points to a larger issue, we will explain what further work or inspection is needed and confirm the scope before proceeding.
How we fix
The repair depends on the fault found. It may involve securing or replacing a failed connector, renewing a seal, repairing or replacing a damaged trap, or addressing a leak at the basin or tap connection. We isolate water where necessary, protect the cupboard and remove only what is needed to reach the fitting. We then restore the supply or run water through the waste in a controlled way and check the joint under use. A major sink leak repair should leave the relevant connection dry during testing. If a flooded kitchen sink fix is also required because drainage has backed up, we will identify that as a separate cause rather than treating it as the same fault. An overflowing sink repair may be needed as well if the basin cannot drain.
Prevention
Look inside the cupboard periodically, especially after plumbing work or changes to stored items. Keep heavy bottles from pressing against hoses and pipework, and do not use the trap or valves as a shelf. Notice small drips, green or white deposits on metal fittings, swelling at cabinet edges or a musty smell. Turn taps gently and avoid hanging weight from a tap spout. If you need to close an isolation valve, make sure you know which fixture it controls and do not force a stiff valve. Early attention to a minor drip can prevent a larger area from becoming wet.
When to call
Arrange help promptly if the leak continues with the tap off, water is collecting quickly, a pipe has split, or the cupboard or floor is becoming soaked. For a sink leak emergency, first keep people away from standing water near electrical items. If safe, close the local isolation valve; if that does not stop it, use the main stop tap only if you know where it is and can reach it safely. People looking for emergency plumber sink leak assistance should say whether water is flowing, dripping or only appearing when the sink drains. Tell us if more than one fitting is affected.
Book a call-out
Move belongings from the cupboard, place a container beneath a drip if safe, and avoid using the sink until the leak has been assessed. When you call Maintenance Men, describe where water first appears and what was happening at the time. A clear photo can help, but do not dismantle pipework or touch wet electrical equipment. If you are searching for sink leak repair near me, you can book a call-out to have the source checked and the repair options explained. We will test the relevant connection after work and let you know if any wider issue remains. Prompt diagnosis helps limit further wetting, but the repair needed depends on the fault we find.

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.
A serious sink leak can come from the tap supply, waste pipe, trap, basin seal or a damaged fitting hidden inside the cupboard. Wiping up the water will not solve the cause, and a leak may continue when the tap is off if a pressurised supply is involved. Maintenance Men traces the source, checks pipework and explains the repair before work begins. Turn off the isolation valve or mains supply only if you can do so safely.
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 Major Sink Leak Repair
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 major sink leak repair
Straight answers to the things customers ask most often before booking.
Why is water under the sink when the tap is off?
A pressurised supply hose or joint can leak even when the tap is not running. Water can also track from another fitting, so the visible puddle may not show the exact source.
Should I turn off the water supply?
If you can safely identify and operate the local isolation valve, closing it may reduce a supply leak. Do not force a stiff valve, and keep clear of electrical items where water is present.
Can I just tighten the leaking connection?
That may not address a failed seal or damaged fitting, and overtightening can cause further damage. It is safer to identify the source before adjusting or replacing parts.
How is the work priced?
You pay a booking fee when you book, and labour is charged hourly at a rate that depends on how quickly you need us. The full cost of the work is quoted before we start, so you approve it before any tools come out.
How do I tell if the leak is from the waste pipe?
A leak that appears as the basin empties may involve the waste, trap or basin connection. This is only a clue; the plumber can test the accessible joints to confirm the source.
Need major sink leak repair sorted?
Book a slot in the diary and pay only the booking fee up front. We confirm the rest before we start.

