Leak, Drip or Blockage: Which Plumbing Service Do You Need?

Deal with an active escape of water first

If water is escaping rapidly or causing damage, stop using the affected fitting and seek urgent plumbing help. Do not delay while choosing a service label. If you know which accessible valve isolates your supply and can reach it safely, turn the water off without forcing it. In a flat, check whether the valve serves your home or a shared supply. Thames Water’s inside stop valve guidance explains the distinction and advises contacting a plumber if you cannot find or operate the valve.

Water affecting electrics needs separate attention. Keep clear of exposed wiring and do not use affected mains-powered equipment until an electrician confirms it is safe. Electrical Safety First’s flood advice says to switch off the electricity only if it is safe to do so.

Which service is the best starting point?

Use what you can already see during normal use. Do not dismantle fittings, remove fixed panels or repeatedly run water to reproduce a problem that is causing damage.

On a narrow screen, scroll the table sideways to read all three columns.

A drip describes the symptom, not the component

“There is a drip in the kitchen” leaves several possibilities open. “The spout drips after the tap is turned off” gives a clearer starting point for a tap enquiry. “Water is appearing beneath the sink, but I cannot see its source” should remain an unconfirmed leak enquiry. A wet cupboard alone does not justify ordering a tap cartridge or booking a particular pipe repair.

Separate poor drainage from a fixture that will not operate

A toilet whose flush control does not work and a toilet whose pan fills but drains poorly need different assessments. Report which behaviour you have noticed; avoid repeated flushing if the level rises. Toilet or shared-drain clearance should be confirmed specifically, rather than assumed to be included in a sink-unblocking booking.

Likewise, water pooling in a shower tray is a drainage symptom, while water escaping from a hose or mixer concerns the fitting. If several outlets are backing up, say so at the start: the problem may extend beyond one accessible trap, and wider drainage work needs its scope confirmed.

What if the source or trade is unclear?

Choose a general plumbing enquiry when the source is uncertain. Explain where the water appears and when you notice it, without naming a failed part. A stain on a ceiling or dampness behind a unit does not establish the origin. Ask what assessment and access are needed; specialist concealed leak detection is not automatically included in an ordinary pipe-repair visit.

Failed sealant around a sink, bath or shower is also different from a leaking supply or waste connection. Resealing may be the appropriate task once the source is established, but a damp edge is not enough to make that decision. Describe the location rather than requesting silicone as a cure for an unexplained leak.

For a shower, mention any tripping, loss of electrical operation or other suspected electrical fault separately. Ask for help with electrical fault finding when an electrical fault is suspected. Gas and boiler work also require a separately confirmed specialist service.

Is replacing a fitting a repair or an installation?

Replacing an existing tap stays with the tap service, even when you have already bought the new one. A separate new fixture or appliance connection starts with small plumbing installations. Neither label confirms compatibility, appliance repair or a complete bathroom refurbishment. Describe the actual task so the required work can be agreed.

Explain the observation and let the assessment confirm the repair

A useful enquiry can be brief: “The kitchen sink drains slowly, and water has appeared in the cupboard underneath. I do not know whether the two are connected.” This flags both a drainage symptom and possible leakage without deciding their cause remotely.

Mention whether one fitting or several are affected, and whether water is currently escaping or the fitting cannot be used. For a rented flat or managed building, tell the landlord or managing agent about the problem and establish who will arrange access and authorise work. The booking can then follow the assessed task, with any separate service requirements made clear.