Leak detection in Llanmaes
Leak detection in Llanmaes locates water leaks from domestic supplies and drainage fittings. ADI Leak Detection Vale of Glamorgan arranges leak detection visits in Llanmaes through the office.

Non-invasive leak detection
Acoustic, thermal and tracer gas
Trace and access claim reports
Which leaks do engineers trace in Llanmaes?
St Cattwg's Church identifies the village setting within CF61. Detached accommodation accounts for 71.4% of Llanmaes's Census housing, alongside 14.3% semi-detached homes; explain the current drain arrangement and accessible inspection points.
Llanmaes’s Census 2021 accommodation includes 71.4% detached and 14.3% semi-detached homes. Describe the present arrangement of drains and fittings serving the affected property.
For a Llanmaes drainage enquiry, identify the activity preceding the water escape and where it becomes visible. Describe accessible inspection points and known sections shared with other premises.
Which parts of Llanmaes does ADI Leak Detection cover?
Leak detection covers Llanmaes and the places around it listed here.
- Llanmaes CF61
Local landmarks and terrain
- Church of St Cattwg
Who fixes a leak on your supply pipe in Llanmaes?
Who owns the private supply pipe?
The property owner owns the private supply pipe between the street boundary and the internal stop tap.
What happens if a private supply pipe serves several properties?
Welsh Water says it will discuss repair options when it finds that a private supply pipe is shared.
Source: Dŵr Cymru Welsh Water guidance, checked 4 November 2026.
Report a leak on Dŵr Cymru Welsh Water's side of the boundary to Dŵr Cymru Welsh Water on 0800 052 0130, 24 hours a day, 7 days a week, or online at dwrcymru.com. Leaks inside the property and on its own supply pipe are the work we do.
Dŵr Cymru Welsh Water is the sewerage company for Llanmaes. Pipes serving more than one property, or serving a single property outside its boundary, are probably Welsh Water’s responsibility. Pipes serving only your property within its boundary are your responsibility.
Source: Dŵr Cymru Welsh Water guidance, checked 4 November 2026.
What do people in Llanmaes ask about leak detection?
What information helps trace a Llanmaes drainage escape?
Explain the fitting or operation involved and available inspection access. Known plans can help relate the symptom to the connection serving the property.
Which church identifies the Llanmaes locality?
Cadw records the Church of St Cattwg at Llanmaes. Its name provides a local reference for this CF61 enquiry area.
How do you book leak detection in Llanmaes?
Send your postcode and a technical advisor calls back to arrange the visit with an engineer who covers Llanmaes.
Same or next day depending upon engineer availability.
