Leak detection near Rhymney in Caerphilly
Leak detection near Rhymney finds concealed water leaks in buildings within the upper Rhymney Valley. ADI Leak Detection Caerphilly arranges visits across the county through head office. Rhymney 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 Rhymney area of Caerphilly?
NP22 identifies the town itself, while Rhymney High Street provides a central reference. Explain whether the reported water appears within the building, around a fitting or on external ground, and describe the relevant access.
Rhymney’s Census 2021 built-up area records 47.8% terraced accommodation, 28% semi-detached accommodation and 16.3% flats. These are town-area figures, not totals for every village in the wider community. A booking should identify the affected dwelling and explain any shared route needed to reach its plumbing.
For outdoor water in Rhymney, explain its exact position relative to the building and any known supply route. The High Street consultation described surface-water puddling, which is different evidence from a confirmed mains escape. Report what has been observed without choosing a cause in advance.
Which places around Rhymney are in this county guide?
This county guide describes the places and landscape around Rhymney.
- Rhymney NP22
Local landmarks and terrain
- Rhymney High Street
- Rhymney Valley
Who handles supply-pipe leaks around Rhymney in Caerphilly?
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 Rhymney. 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 Rhymney?
Which outward code should identify Rhymney town?
Use NP22 for the town centre. CF81 appears in evidence for the wider community’s Pontlottyn locality, so it should not take the place of Rhymney’s own central postal identifier.
Do the High Street proposals prove a mains-water problem?
The 2024 consultation discussed surface water and proposed drainage work. It does not establish the source of water at a particular property or prove that the proposed works were completed.
How do you book a county visit near Rhymney?
Send your postcode and a technical advisor calls back to arrange the visit with an engineer who covers Rhymney.
Same or next day depending upon engineer availability.
