Stopcock & Valve
Repairs

Brighton + Hove + Sussex

Your stopcock is the one valve that stops a leak becoming a flood, and most people only find out it's seized at the moment they need it. Stuck, leaking, not shutting off or impossible to find, we repair and replace stopcocks and isolation valves, and make sure you know exactly where yours is.

Fast

60-Min Average Response

Upfront

Fixed-Price Quotes

Guarantee

On All Workmanship

Stocked

Vans Ready to Fix Today

Fast Fix plumber using a wrench on pipework under a basin

Stopcocks & Isolation Valves

Why Your Stopcock
Actually Matters

The internal stopcock controls the mains cold water coming into your home. It's usually under the kitchen sink, but in older Sussex terraces it's often under the stairs, in a cellar or under the floorboards near the front door. Isolation valves are the smaller valves on the pipes feeding toilets, taps, washing machines and showers, so you can turn off one fitting without shutting off the whole house.

Stopcocks that sit untouched for years tend to seize. The spindle scales up, the gland packing dries out and the washer perishes, so when you finally need it the handle won't budge, snaps off, or turns without stopping the water. Forcing a seized stopcock can crack an old fitting or damage the pipe, which turns a small leak into a much bigger one.

It's a job best done before an emergency, not during one. We free off or replace seized stopcocks, fix weeping glands, fit isolation valves to toilets, taps and appliances, and show you exactly where everything is so you can act fast next time. If the outside stop tap is the problem, we'll tell you whether it's yours or the water company's to fix.

Seized Stopcock Leaking Stopcock Gland Stopcock Won't Shut Off Can't Find Stopcock Faulty Isolation Valve Outside Stop Tap
BOOK A STOPCOCK REPAIR

Signs To Look For

Signs Your Stopcock
Needs Attention

A stopcock isn't something you think about until a pipe bursts. If any of these sound familiar, it's worth getting sorted now.

  • Handle stiff, seized or won't turn at all
  • Water still running with it fully closed
  • Drips or damp around the spindle
  • You've no idea where yours is
  • Toilets and taps with no isolation valves
  • Old lead or corroded pipework around it

If Your Stopcock Won't Turn Off

Turn it clockwise with steady pressure by hand. Don't use a long wrench or a hammer on it, as an old stopcock or pipe can crack under force and make things far worse. If it won't move, look for a second valve nearby, under the stairs, in a cellar or near the front door.

While the water is still running, catch what you can, move valuables and keep away from any electrics the water is near. If it's hot water leaking, switch off the boiler and immersion heater, then open the cold taps to drain down as much as you can.

Water coming through a ceiling or spreading fast and you still can't stop it? Keep everyone out of the affected rooms, don't stand under a bulging ceiling, and ring us straight away. We'll talk you through finding the outside stop tap while we're on our way.

Call an Emergency Plumber Now

What To Expect

How an Emergency Call-Out Works

01

Call Us

Tell us what's happening. A real plumber picks up, evenings, weekends and bank holidays included.

02

Arrival & Pricing

You get a realistic arrival window and our call-out rate up front, before anyone sets off.

03

Trace & Diagnose

Water off and the area made safe first, then we trace the actual cause and explain it in plain English.

04

Repair or Make Safe

Vans stocked with pipe, fittings and valves fix most problems on the first visit. Anything we can't finish that night is isolated and made watertight.

Why Choose Us

Experience
The Difference

Committed to Quality and Care

✓ Qualified & Insured ✓ Background-Checked Team ✓ Workmanship Guarantee ✓ Domestic & Commercial

Local + Trusted

Proudly serving our community with reliable, high-quality plumbing work you can count on.

Skilled + Qualified

Our qualified, fully insured plumbers bring expertise, care and precision to every single call.

Efficient + On Time

We respect your time and budget, delivering results without delays or excuses.

Honest Pricing

Transparent, upfront quotes, with no hidden fees and no surprise out-of-hours mark-ups.

Out of Hours

Evenings, weekends and bank holidays. The phone is answered when the leak actually happens.

Fully Stocked Vans

Pipe, fittings, valves, drain rods and a jetter carried as standard, so most emergency repairs are completed on the first visit.

FAQ

Frequently Asked
Questions

Feel free to contact us for more information

FAQs Made Simple

FIND YOUR ANSWERS
Where is my stopcock?

Most often under the kitchen sink, where the mains supply comes into the house. In older homes and Victorian terraces it can be under the stairs, in a cellar, in a downstairs cupboard or under the floorboards near the front door. In flats it may be in a hallway cupboard or a shared riser. If you can't find yours, we'll locate it and label it while we're there.

My stopcock is stuck. Should I force it?

No. A stopcock that hasn't been turned in years is often seized, and forcing it with a wrench can snap the handle, crack the body or damage the pipe it's fitted to. Gentle, steady pressure by hand is fine. If it won't move, leave it and call us. We can free it off safely or replace it.

Why is my stopcock leaking?

Usually it's the gland, the packing around the spindle where the handle goes in. It dries out or wears, especially when a stopcock is turned for the first time in years, and water starts weeping out around the handle. Sometimes nipping up the gland nut is enough. If the body is corroded or the washer has perished, it's better replaced.

What are isolation valves and do I need them?

Isolation valves are small valves on the pipes feeding individual fittings, like toilets, taps, washing machines and showers. They let you turn off the water to one fitting without shutting off the whole house. If a cistern overflows or a tap starts leaking, an isolation valve means you can stop it in seconds and keep the rest of your water on. Most homes benefit from having them fitted where they're missing.

Who is responsible for the outside stop tap?

The outside stop tap, usually under a small cover in the pavement or front garden, is generally the water company's responsibility, along with the pipe up to your boundary. The supply pipe from the boundary into your home, and the internal stopcock, are usually yours. If the problem is on their side, we'll tell you so you can report it to your water supplier.

Emergency Call-Outs

Need an Emergency
Plumber Right Now?

Tell us what's happening and we'll tell you straight away whether it needs a plumber tonight or can safely wait until morning. No obligation either way.

Evenings, weekends & bank holidays Brighton, Hove, Worthing & across Sussex