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Stopcock replacement across Chatham

Covering Rochester High Street, Walderslade, Railway Street, Rochester and all ME areas

Call us on 01634 123456
Home › General Plumbing › Stopcock Replacement

Your stopcock (stop tap) is the main valve that turns your water off. If it's seized, leaking, or broken, you can't isolate the water in an emergency. That's dangerous. We'll replace it with a modern quarter-turn lever valve that won't seize and is easier to use.

We'll isolate the water at the boundary stop cock outside, fit the new valve, test it, and you're done. Takes about an hour. Modern quarter-turn valves are far better than old gate valves and last for years.

There's no call-out fee when you book with us. We'll quote you before we start, and our 12-month guarantee is included with our membership plan.

Signs Your Stopcock Needs Replacing

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Won't turn or is seized

You try to turn it and the handle won't budge. Gate valves seize after years of not being used. If you can't turn it, you can't isolate the water in an emergency. It needs replacing before you have a burst pipe or leak and can't stop the water.

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Leaking from the spindle

Water drips from the top where the handle goes through. The gland packing has perished. You can sometimes tighten it, but if the valve's old, it's better to replace it before it gets worse.

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Doesn't shut water off properly

You turn it fully clockwise but water still dribbles through. The gate inside is worn or corroded. You can't isolate the water properly, which is a problem if you have a leak or need to work on the pipes.

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Handle snaps off

You try to turn it and the handle snaps off in your hand. The internal mechanism has corroded or seized and the handle's weakened. You'll need a new stopcock immediately.

How We Replace Stopcocks

1

Turn off the boundary stop cock

We'll locate the boundary stop cock in the pavement outside and turn it off. This isolates the water supply so we can work on your stopcock without flooding.

2

Cut out the old stopcock

We'll cut out the old valve using a pipe cutter. If it's soldered in, we'll heat the joints. Old gate valves are often crusted with limescale and won't unscrew nicely.

3

Fit the new quarter-turn valve

We'll measure the gap and fit a new quarter-turn lever valve. These turn 90 degrees to shut off (not multiple turns like old gate valves), they don't seize, and they're easier to use in an emergency. We'll solder or compression-fit it.

4

Test and restore water

We'll turn the water back on at the boundary stop cock and check for leaks. We'll test the new valve opens and closes smoothly. Job done.

When to Replace vs Repair

Won't fully close

If your stopcock still drips when turned off, the washer or valve seat is worn. We can replace just the valve mechanism in some cases.

Seized and won't turn

Common in stopcock that haven't been used for years. We'll try freeing it first, but if the spindle is corroded, full replacement is safer.

Leaking from the spindle

Usually fixable with gland nut tightening or new packing. But if the body is cracked, it needs full replacement.

Old gate valve style

Upgrade to a modern quarter-turn lever valve. They're faster to close in an emergency and last longer.

Stopcock Replacement Pricing

Upfront prices, no nasty surprises

We'll always tell you the cost before we start. These are typical price ranges, your exact quote depends on the job.

ServiceTypical Cost
Stopcock replacement (accessible)£100 – £180
Stopcock replacement (under floor/in wall)£180 – £250

All prices are estimated. Final costs depend on the specific job. We provide detailed quotes before starting work.

Common Questions

Got questions? Here's the quick answers.

How much does stopcock replacement cost in Chatham?
Accessible stopcock replacement (under the kitchen sink) costs £100 to £180. If it's buried under a floor or in a wall, it's £180 to £250. We'll quote you when we've seen it.
How long does stopcock replacement take?
About 30 minutes to an hour. We'll turn the water off, cut out the old valve, fit the new one, test it, and turn the water back on. Straightforward job.
Can you fix a seized stopcock without replacing it?
Sometimes we can free it with penetrating oil, but if it's seized solid or won't close properly, replacement is the only proper fix.
What type of stopcock is best for my home?
Quarter-turn lever valves are miles better. They turn 90 degrees to shut off, they don't seize, and they're easier to operate in an emergency. All new stopcocks use quarter-turn ball valves now.
How long will I be without water during stopcock replacement?
No. We'll turn the water off for about 30 minutes to an hour while we fit the new valve. Once it's done, we'll turn it back on.
Where is my stopcock?
Usually under the kitchen sink. Sometimes in a downstairs toilet, utility room, or cupboard near the front door. In older Chatham properties, it might be under the stairs or in a cellar.
Should I upgrade my stopcock even if it works?
If it's an old gate valve, test it. Turn it fully off and open a tap. If water still dribbles through, it's not closing properly. Replace it before you need it in an emergency.
Can I replace a stopcock myself?
If you can turn the water off at the boundary stop cock and you're confident with plumbing, yes. But if you get it wrong, you'll flood the place. It's a cheap job, so most people call us.
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01634 123456
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Covering all Chatham postcodes

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