Leak detection across City and County of Cardiff in Wales
Leak detection across City and County of Cardiff identifies hidden water leaks in premises and connected supplies. ADI Leak Detection Wales arranges visits across Wales through head office. City and County of Cardiff has a separate ADI Leak Detection county website for enquiries within the county.
Non-invasive leak detection
Acoustic, thermal and tracer gas
Trace and access claim reports
Which leak investigations cover City and County of Cardiff in Wales?
This Wales page uses the council-area perspective, including the wooded setting around Castell Coch. Give the locality, building use and access arrangements so the enquiry is specific within the wider administrative area.
For the Cardiff council area, Census 2021 records 24.3% of households in private renting. This measure has a different boundary and category from the city's built-up-area housing figures. Explain occupation, floor levels and who can reach the affected space when arranging a property investigation.
A rented property within the Cardiff council area needs clear access arrangements for concealed plumbing checks. Identify the occupier responsible for each relevant room and any connecting service space.
Which places in City and County of Cardiff does this guide to Wales describe?
This guide to Wales describes the places and landscape of City and County of Cardiff.
- Cardiff CF10
Local landmarks and terrain
- Castell Coch
- Fforest Fawr
Who handles supply-pipe leaks across City and County of Cardiff in Wales?
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 City and County of Cardiff. 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 visits across City and County of Cardiff in Wales?
How does this Cardiff county entry differ from the city entry?
This page uses the City and County of Cardiff council geography. The locality and outward postcode remain essential for an enquiry; CF10 is the central example used here.
Which company supplies Cardiff county water and sewerage services?
Dŵr Cymru Welsh Water's Cardiff overview records both water-pipe and sewer networks. Verify the premises' actual connection and describe whether the symptom concerns supply, plumbing or drainage.
How do you book a visit across City and County of Cardiff in Wales?
Send your postcode and a technical advisor calls back to arrange the visit with an engineer who covers City and County of Cardiff.
Same or next day depending upon engineer availability.
