Leak detection near Llantwit Major in Vale of Glamorgan
Leak detection near Llantwit Major locates water leaks in concealed domestic pipes and supply connections. ADI Leak Detection Vale of Glamorgan arranges visits across the county through head office. Llantwit Major has a separate ADI Leak Detection town website for enquiries within the town.
Non-invasive leak detection
Acoustic, thermal and tracer gas
Trace and access claim reports
Which leak investigations cover the Llantwit Major area of Vale of Glamorgan?
Historic streets and later development give the town varied building layouts. Include the property's position within the town, its present use and any known alterations when describing the water problem for a county enquiry.
Llantwit Major's Census 2021 accommodation mix comprises 38.2% semi-detached homes, 31.4% detached homes, 22% terraces and 5.2% flats, apartments or maisonettes. Caravans and other mobile or temporary structures account for 3.3%. These rounded percentages belong to Llantwit Major's built-up area.
Boverton has a separate Census geography, although local descriptions place it beside the town; its figures have not been combined here.
Llantwit Major's old streets include stone cottages, so a household enquiry should describe the room and the surfaces around the suspected water route. Mention known alterations and available access points without assuming that historic walls establish the age or position of present-day pipes.
For commercial premises around East Street, give the building's current use and explain whether the suspected supply line serves other occupiers. The conservation appraisal records a shift in retail activity towards this street, but the enquiry must establish today's access arrangements.
Which places around Llantwit Major are in this county guide?
This county guide describes the places and landscape around Llantwit Major.
- Llantwit Major CF61
- Boverton CF61
Local landmarks and terrain
- Afon Colhuw
Who handles supply-pipe leaks around Llantwit Major in Vale of Glamorgan?
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 Llantwit Major. 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 should you know about county visits near Llantwit Major?
How does Boverton relate to this Llantwit Major guide?
Boverton is a researched CF61 locality east of Llantwit Major. It can help identify where an enquiry belongs, while its separate built-up-area statistics remain distinct from the housing figures used for Llantwit Major.
Which features help describe the older part of Llantwit Major?
The Old Town provides a local reference for Llantwit Major. The documented street pattern includes traditional cottages, and the landscape slopes towards a coastal valley; explain the property's entrance and available access alongside that location.
How do you book a county visit near Llantwit Major?
Send your postcode and a technical advisor calls back to arrange the visit with an engineer who covers Llantwit Major.
Same or next day depending upon engineer availability.
