Leaking Tap Repair Guide for Cirencester Homeowners

Published July 2026 | Leaking Tap Repair

You're lying awake at 2am and there it is again - that steady drip from the kitchen tap you've been meaning to sort for the past three weeks. It started as something barely noticeable, but now the sound carries through the whole house and there's a faint rust stain forming around the plughole. You know it needs fixing, but you're not sure whether it's something you can tackle with a wrench from the garage or whether you need to call someone in.

This guide covers everything you need to know about leaking taps - what's actually causing the problem, which fixes you can attempt yourself, when it makes sense to bring in a professional plumber, and what a repair visit in Cirencester typically involves from start to finish.

Understanding What's Actually Happening Inside Your Tap

A dripping tap is, at its core, a sealing failure. When your tap is turned off, internal components are supposed to create a watertight seal that stops water flowing through the spout. When that seal breaks down - even slightly - water finds its way through, and you end up with that persistent drip.

The mechanics vary depending on the type of tap you have. Traditional pillar taps and crosshead mixer taps use a washer and valve seat system - the rubber washer presses against a brass seat to block the flow. Ceramic disc taps, which are common in newer Cirencester properties, use two ceramic discs with precision-cut holes that align or misalign to control flow. Both systems are reliable when new, but both have wear points that degrade over time.

Water pressure plays a bigger role than most people realise. Properties in parts of Gloucestershire can experience higher mains pressure, which accelerates wear on internal tap components. If you've noticed your taps dripping more in recent years, it's worth checking your household pressure - anything above 3 bar can shorten the life of washers and ceramic cartridges significantly.

The Most Common Causes of a Leaking Tap

Our engineers see the same handful of problems come up repeatedly on leaking tap callouts across Cirencester and the surrounding area. Here's what's actually going wrong in most cases.

Worn or Deteriorated Washers

This is the most common cause of a dripping tap in older properties, and it's also one of the easier repairs to carry out. The rubber washer sits inside the tap body and gets compressed against the valve seat every time you turn the tap off. Over years of use, that rubber hardens, cracks, or loses its shape - and once it can no longer form a proper seal, water gets through.

You'll typically notice this type of fault most when the tap has just been turned off. The drip starts immediately after you tighten the handle and may get worse as the washer continues to degrade. Washers cost pennies to replace, but getting to them means isolating the water supply, disassembling the tap, and having the right replacement washer size to hand - which is where many DIY attempts run into trouble.

Damaged O-Rings

If you're seeing a leak from around the base of the tap spout rather than from the nozzle itself, O-rings are likely the culprit. These small rubber rings seal the interface between the spout and the tap body, and they degrade in a similar way to washers - hardening and cracking with age and heat exposure.

Kitchen taps are particularly prone to O-ring failure because the spout gets rotated regularly, which wears the rings faster. In mixer taps, there are typically multiple O-rings, and replacing just one without checking the others often means returning to the same repair within a few months.

Corroded or Damaged Valve Seat

The valve seat is the brass fitting inside the tap body that the washer presses against. In hard water areas - and Gloucestershire has moderately hard to hard water in many locations - limescale deposits can pit and score the valve seat over time. Once the seat surface is damaged, even a new washer won't form a proper seal because there's nothing flat and smooth to seal against.

This is a repair that catches a lot of people out. They replace the washer themselves, find the tap still drips, and assume they've done something wrong - when actually the underlying seat is the problem. A plumber can re-seat or replace a damaged valve seat, which restores the proper sealing surface and makes the new washer effective.

Loose Packing Nut or Gland

If water is seeping up around the tap handle or spindle rather than dripping from the spout, the packing nut (sometimes called the gland nut) has likely worked loose or the packing material has worn out. This isn't the most common fault, but it does come up on older taps, particularly the type of traditional pillar taps that you'll find in many period properties around Cirencester's town centre and the surrounding Cotswold villages.

In some cases, simply tightening the packing nut with a spanner resolves the leak entirely. In others, the packing material itself needs replacing - a repair that requires disassembly but is usually quick once the tap is isolated.

Failing Ceramic Cartridge

Ceramic disc taps are generally more durable than traditional washer-based taps, but they're not immune to failure. The ceramic discs can crack if grit or debris gets into the mechanism, and the cartridge assembly can fail if the tap has been forced when stiff rather than having the cartridge replaced. A failed ceramic cartridge typically means replacing the entire cartridge unit rather than a smaller individual component.

Solutions That Actually Work

Whether you're attempting the repair yourself or want to understand what a plumber will do, here's how these problems get resolved.

For a washer replacement on a traditional tap, the process runs as follows:

1. Turn off the water supply at the isolation valve under the sink, or at the mains stopcock if there's no isolation valve fitted
2. Open the tap to release any remaining water pressure
3. Remove the tap handle - this usually requires removing a small decorative cap to expose a retaining screw
4. Unscrew the tap headgear using an adjustable spanner, taking care not to damage the tap body
5. Inspect the washer and the valve seat - replace the washer if worn, and assess the seat for damage
6. If the seat is scored or pitted, use a tap reseating tool to restore a flat surface, or fit a replacement seat liner
7. Reassemble in reverse order, turn the water back on, and check for leaks

For ceramic cartridge taps, the repair is often simpler in practice - the cartridge typically pulls or unscrews out once the head is removed, and you fit a new matching cartridge. The challenge is sourcing the correct replacement, as cartridge designs vary between manufacturers and models. Running the Voltrade GoFIX diagnostic tool before ordering parts can help identify the exact cartridge specification, which saves the frustration of ordering the wrong part twice.

Limescale-related problems respond well to descaling before reassembly. Soaking disassembled components in a descaling solution for 30 to 60 minutes removes deposits that can otherwise prevent proper sealing even with new parts.

When to Call a Plumber vs. Sort It Yourself

This is the question most homeowners in Cirencester are actually trying to answer, and the honest answer depends on a few factors.

A washer replacement on a standard tap is a reasonable DIY job if you're comfortable working with basic tools, you can isolate the water supply successfully, and you can identify and source the correct replacement parts. If all three of those conditions are true, there's no reason you can't tackle it yourself.

Call a plumber when:

• You can't locate or operate the isolation valve or mains stopcock
• The tap has already been disassembled and you're not sure what you're looking at
• The leak is coming from pipework behind the wall or under the floor rather than from the tap itself
• You've replaced the washer and it's still dripping - this usually means a damaged valve seat that needs a reseating tool
• The tap is showing signs of corrosion or the tap body itself is cracked
• The drip is accompanied by unusually low water pressure elsewhere in the property
• You have a mixer tap with integrated thermostatic controls or it's part of a more complex shower/bath fitting

One thing worth considering: a leaking tap wastes significantly more water than most people expect. A tap dripping once per second can lose well over 5,000 litres of water per year. On a metered supply - increasingly common in Gloucestershire as water meters become standard - that represents real ongoing cost. The economics of a professional repair almost always make sense within the first year when you factor in the water savings.

What to Expect from a Tap Repair Visit

If you're booking a plumber for a leaking tap in Cirencester, here's what a typical visit looks like.

Most plumbers will diagnose the fault first before quoting for any additional work beyond the call-out. They'll isolate the water supply, disassemble the tap, and identify whether the issue is the washer, O-rings, valve seat, or cartridge. On a straightforward washer or O-ring replacement, the repair itself typically takes 20 to 45 minutes once the fault is identified.

For pricing, you're generally looking at a call-out and labour charge for the first hour in the range of 60 to 120 pounds depending on the plumber and the time of day. Parts for a standard washer or O-ring replacement are minimal - typically a few pounds. A ceramic cartridge replacement costs more in parts, commonly between 20 and 60 pounds for the cartridge depending on the tap brand and model. If a valve seat needs reseating or replacement, expect total job costs in the region of 100 to 180 pounds for a single tap.

Emergency call-outs - evenings, weekends, or same-day - typically carry a premium. If the repair is urgent but not an emergency, waiting until a standard weekday appointment will usually save 30 to 50 pounds.

A good plumber will also check the other taps while they're there, look at the condition of the flexible hoses under the sink (which have a limited service life and are a common source of more serious leaks), and advise if anything else looks like it's approaching failure. This kind of proactive check takes a few minutes and can prevent a bigger problem down the line.

Common Questions from Cirencester Homeowners

How much does it cost to fix a leaking tap in Cirencester?

For a standard washer or O-ring replacement during normal working hours, most homeowners in Cirencester pay between 70 and 130 pounds for labour and parts combined. If the valve seat needs attention or a ceramic cartridge needs replacing, costs typically rise to between 100 and 180 pounds. Emergency or out-of-hours call-outs carry a higher rate, so if the repair isn't urgent, booking a standard weekday slot will save money. Always confirm the call-out fee and hourly rate before the plumber arrives to avoid surprises.

Can a dripping tap cause water damage if I leave it?

Yes - and more quickly than people expect. Constant dripping keeps surfaces wet, which promotes mould growth around sinks and on the cabinet interior below. Over time, the persistent moisture can soften timber vanity units, damage the sealant around the sink, and - if there's any drip tracking back along pipework - cause damage inside the unit itself. A tap that drips directly onto a ceramic or stainless basin is lower risk, but one that drips at an angle or where water can pool is worth sorting promptly rather than leaving it.

How long does a tap repair take?

Most tap repairs are completed within one hour once the plumber is on site. A straightforward washer replacement typically takes 20 to 40 minutes. More involved repairs - valve seat reseating, ceramic cartridge replacement on a complex fitting, or work on a tap with significant limescale build-up - can take up to 90 minutes. If parts need ordering (which is sometimes the case with older or less common tap models), there may be a return visit, though most experienced plumbers carry a range of common washers, O-rings, and cartridges in their van stock.

Should I repair or replace a leaking tap that's quite old?

It depends on the tap's condition and whether parts are still available. If the tap body is in good shape and it's a style you want to keep - which is a genuine consideration for period properties in the Cotswolds where original fittings have character - a repair is usually the better option economically. If the tap is heavily corroded, if it's a no-name budget fitting where replacement cartridges are hard to source, or if it needs repeated repairs within a short space of time, replacement often works out better value. A plumber can assess the tap on-site and give you an honest view on whether repair or replacement makes more sense for your specific situation.