Leaking Tap Repair Checklist for Deal Homeowners

Published July 2026 | Leaking Tap Repair Guide

This checklist covers everything you need to inspect, maintain, and flag for professional attention when it comes to leaking or dripping taps in your home. Keeping on top of these checks - even the quick five-minute ones - can save you from a far more expensive call-out down the line.

Quick Visual Checks Anyone Can Do

You don't need any tools or plumbing knowledge for these. A thorough look around your taps every week or so takes minutes and can catch a problem before it turns into water damage or a swollen cabinet floor. Here's what to look for:

1. Check for drips from the spout. Turn the tap fully off and watch the spout for 30 seconds. Even one drip every few seconds wastes several litres of water per day and is a clear sign the washer or cartridge needs replacing.
2. Look at the base of the tap. Water pooling around where the tap meets the sink means the O-ring or body seal is failing. This is particularly common in older Deal properties where original fittings can be 20 or 30 years old.
3. Inspect under the sink. Open the cupboard and look at the supply pipes and connections. You're looking for moisture, drips, or white limescale residue - any of which suggests a slow leak has been running for a while.
4. Check the tap handle for movement. A handle that wobbles, feels loose, or is suddenly harder to turn than usual often means the internal mechanism is worn. Don't force it - forcing a stiff tap can shear the spindle completely.
5. Look at the wall and floor nearby. Damp patches on the wall behind the sink, or soft and discoloured flooring around the base of the unit, suggest water has been escaping for some time - possibly inside the cabinet or between walls.
6. Run the tap and check water flow. A tap that splutters, runs unevenly, or produces discoloured water might have a blocked aerator. Unscrew the aerator from the spout tip - it's typically just finger-tight - and rinse it under warm water to check.

Monthly Maintenance Tasks

Monthly checks are your best defence against slow problems becoming big ones. These tasks take under 15 minutes for all the taps in a typical Deal home, and they catch the things that a quick visual inspection can miss.

• Clean the aerators. Unscrew each tap's aerator and rinse it under warm water. In Kent, particularly along the coast around Deal, water hardness causes calcium deposits to build up faster than many homeowners expect. Soaking aerators in white vinegar for an hour once a month keeps flow consistent and avoids pressure loss.
• Test your isolator valves. These are the small valves on each supply pipe under the sink. Turn them off and back on. If they're stuck, corroded, or won't move freely, flag them - a seized isolator valve means you can't shut off the water supply if a tap fails suddenly.
• Check washer condition on older taps. Compression taps (the classic style where you screw the handle down to stop the flow) rely on a rubber washer pressing against a seat. These harden and crack over time. Replacement washers cost pennies and take around 10 minutes to fit, so checking them monthly on older fittings is well worth it.
• Look for new limescale around fittings. White crusty deposits appearing on joints or around the spout base suggest water is escaping under pressure and evaporating - a sign of a slow leak in progress rather than surface splashing.
• Wipe down exposed pipework. A quick wipe with a dry cloth across under-sink pipes lets you feel for moisture that might not be visible yet. Trust what your hand tells you as much as your eyes - a consistently damp pipe can hide a very slow joint weep.

Annual Professional Checks You Should Book

Some jobs are outside the scope of a monthly visual check. Once a year, it's worth having a qualified plumber look over your taps and pipework properly - especially in older homes where the plumbing may not have been touched in years.

Our engineers typically cover the following during an annual tap health check:

1. Washer and O-ring replacement. Even if a tap isn't leaking yet, worn washers and O-rings are on borrowed time. Replacing them proactively costs far less than an emergency call-out. This typically costs between 60 and 120 pounds per tap, including parts and labour.
2. Water pressure test. Normal mains pressure in most UK homes sits between 1 and 3 bar. Too high, and it accelerates wear on washers, seals, and appliances. Too low, and it may point to a supply issue. A plumber can measure this in a few minutes with a simple gauge.
3. Cartridge inspection on mixer taps. Modern mixer taps use a ceramic disc cartridge rather than a rubber washer. These are more durable but not maintenance-free. Grit or debris can score the ceramic surface, causing drips that a washer swap won't fix. Annual inspection catches this early, before the cartridge seat is damaged beyond saving.
4. Pipework condition check. In many Deal homes - particularly older terraces and cottages in the town centre - original copper pipework may still be in service. An annual look for corrosion, pinhole leaks, or failing solder joints is worth doing before a small problem becomes a ceiling collapse.
5. Flexi hose assessment. Flexible hoses connecting taps to the supply can perish and burst without warning. These should typically be replaced every 10 years. A plumber can assess their condition during an annual visit and advise if replacement is due.
6. Voltrade GoFIX diagnostic check. Using the GoFIX tool, our engineers log the condition of each tap and flag any items needing attention in a clear written report - particularly useful if you're a landlord managing properties across Kent or simply want a formal record for your own peace of reference.

Warning Signs That Need Immediate Attention

Some problems can't wait for a monthly check or an annual visit. If you notice any of the following in your Deal home, stop using the tap and call a plumber as soon as possible.

• Constant dripping that won't stop even when the tap is fully closed. A tap that won't fully shut off may have a damaged valve seat, not just a worn washer. This commonly requires replacing the tap unit entirely rather than just swapping a part.
• Sudden loss of water pressure at a single tap. If other taps in the house are working normally but one has dropped significantly, you may have a failing isolator valve, a blocked flexi hose, or a supply issue that needs tracing.
• Rusty or brown-coloured water. Discolouration from a tap typically indicates corrosion inside the pipework or fitting. Don't drink or cook with the water until a plumber has investigated and confirmed it's safe to use.
• Banging or knocking pipes when you use the tap. Water hammer - a banging caused by pressure surging through the pipes when a valve closes quickly - can stress joints and fittings over time. It's fixable with a pressure-reducing valve or an air chamber, but needs a professional diagnosis first.
• Visible water damage to units, walls, or flooring. Swelling, staining, or softness in materials near your taps means water has been escaping for a while. Turn off the supply at the isolator valve and call a plumber for an urgent inspection - leaving water damage unaddressed typically leads to mould and structural problems.
• A tap that has become impossible to turn. Forcing it risks snapping the spindle or cracking the body. Turn off the water at the under-sink isolator valve and arrange a repair before using it again.

Your Maintenance Schedule

Here's a simple calendar layout to keep all your tap checks on track through the year. Pin it inside a kitchen cupboard door if it helps.

If you're a landlord managing multiple properties in Deal or elsewhere in Kent, consider booking your annual checks in late spring or early autumn. These tend to be quieter periods for local plumbers, so you're more likely to get your preferred dates and avoid any premium call-out rates that apply during busy winter periods.

Checklist Questions

How much does it typically cost to repair a leaking tap in Deal?

For a basic washer or O-ring replacement on a compression tap, you're typically looking at between 60 and 100 pounds for a plumber's visit including parts. Cartridge replacement on a mixer tap usually runs between 80 and 150 pounds depending on the cartridge type and how accessible the tap is. Full tap replacement, where the existing unit is beyond repair, commonly costs between 150 and 320 pounds fitted - more if bespoke taps or significant pipework adjustment is involved. These are typical 2026 rates for the Deal and wider Kent area, so always get a couple of quotes for larger jobs.

Can I fix a leaking tap myself or do I need a plumber in Deal?

Many homeowners successfully replace washers and clean aerators themselves - both are jobs that require only basic tools and the willingness to turn off the water supply at the isolator valve first. However, ceramic disc cartridge replacements, damaged valve seats, and any work involving the pipework or connections under the sink are better left to a qualified plumber. Getting those jobs wrong can turn a dripping tap into a flooded kitchen, and the cost of putting that right typically far outweighs any saving made by going down the DIY route.

How do I know if my tap needs a new washer or a new cartridge?

The type of tap tells you which component is likely to be the problem. Traditional compression taps - where you screw the handle down firmly to stop the flow - use rubber washers. If this style of tap drips when fully closed, the washer is the most common culprit. Modern mixer taps and monobloc kitchen taps use ceramic disc cartridges instead. If a mixer tap drips or the hot and cold balance feels off, the cartridge is usually the issue. If you're not certain which type you have, our engineers can identify it quickly using the Voltrade GoFIX tool before any work begins, so there's no guesswork involved.