Leak detection in Four Crosses
Leak detection in Four Crosses finds concealed leaks in heating, household plumbing and private incoming pipes. ADI Leak Detection Powys arranges leak detection visits in Four Crosses through the office.

Non-invasive leak detection
Acoustic, thermal and tracer gas
Trace and access claim reports
Which leaks do engineers trace in Four Crosses?
Tell the office the full property address and whether the damp or unusual water use affects the house or an outside connection.
Detached houses account for about two-thirds of Four Crosses’ built-up-area homes in Census 2021. The village includes older buildings around the crossroads and The Street, with the listed Golden Lion among its heritage landmarks. At your property, explain whether the meter is near the house or farther along the approach.
If the suspected pipe runs beneath a driveway or garden, acoustic listening and tracer gas can help narrow the search. The findings relate to that connection and the symptoms you have observed.
For a Four Crosses home using more water than expected, provide meter readings and describe any wet patch outside. Mention separate buildings supplied from the same connection so testing can account for the branches that are known.
Which parts of Four Crosses does ADI Leak Detection cover?
Leak detection covers Four Crosses and the places around it listed here.
- Four Crosses SY22
Local landmarks and terrain
- The Street
- Golden Lion
- Afon Efyrnwy
Who fixes a leak on your supply pipe in Four Crosses?
Four Crosses: check the property’s water account.
Who looks after the supply pipe into the home?
The service pipe from the stop tap into the house normally belongs to the property owner or landlord, who must maintain it, including any section under another property.
Who looks after a shared supply pipe?
Property owners sharing a service pipe are normally jointly responsible for maintaining it.
Source: Hafren Dyfrdwy guidance, checked 4 November 2026.
Report a leak on Hafren Dyfrdwy's side of the boundary to Hafren Dyfrdwy on 0800 085 8033 (emergencies, 24 hours) or online at hdcymru.co.uk. Leaks inside the property and on its own supply pipe are the work we do.
Hafren Dyfrdwy is the sewerage company for Four Crosses. Hafren Dyfrdwy looks after public sewers and shared pipes, except some built after 2011. Homeowners maintain most private sewer pipes within their property; landlords are responsible for their rented properties.
Source: Hafren Dyfrdwy guidance, checked 4 November 2026.
What do people in Four Crosses ask about leak detection?
Can an outside supply leak in Four Crosses be traced without digging first?
Acoustic listening and tracer gas can narrow a concealed supply leak before excavation is agreed. Explain where the meter, house and any connected outbuilding sit, together with the surfaces covering the suspected route.
Who supplies water and sewerage in water in Four Crosses?
Hafren Dyfrdwy provides water and sewerage in Four Crosses.
How do you book leak detection in Four Crosses?
Send your postcode and a technical advisor calls back to arrange the visit with an engineer who covers Four Crosses.
Same or next day depending upon engineer availability.
