Leak detection in Markham
Leak detection in Markham investigates concealed leaks and damp affecting homes or premises. ADI Leak Detection Caerphilly arranges leak detection visits in Markham through the office.

Non-invasive leak detection
Acoustic, thermal and tracer gas
Trace and access claim reports
Which leaks do engineers trace in Markham?
ADI Leak Detection Caerphilly needs the NP12 building details and the water activity preceding the problem. Explain entry to the suspected branch and adjacent rooms.
Markham’s Census accommodation includes 47.6% semi-detached homes, 42.9% terraces and 2.4% flats. The Sirhowy River flows east of the village. At an affected property, describe the current kitchen or bathroom arrangement and any connection hidden by fixed fittings. The BUA’s combined private-rented and rent-free tenure share is 13.6%; access arrangements still depend on the individual occupier.
Hidden plumbing loss in Markham needs the relationship between outlet use and the emerging damp. Explain which branch supplies the fitting at your NP12 premises and where its controls can be reached. Changes made behind cupboards or other fixed surfaces may help direct the investigation.
Which parts of Markham does ADI Leak Detection cover?
Leak detection covers Markham and the places around it listed here.
- Markham NP12
Local landmarks and terrain
- Sirhowy River
Who fixes a leak on your supply pipe in Markham?
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 Markham. 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 Markham ask about leak detection?
What should I describe about a concealed pipe leak in Markham?
For a Markham concealed-pipe enquiry, name the fitting used before moisture appears and the surface affected. Include any known repair or relocation of that connection. Accessible isolation points help identify the relevant section for suitable tests.
What should a Markham tenant tell the property manager about damp?
A Markham tenant should explain where damp first appeared and which water use changes it. Identify any inaccessible room or fitted surface along the suspected route. Those observations help the property manager arrange the entry needed for an investigation.
How do you book leak detection in Markham?
Send your postcode and a technical advisor calls back to arrange the visit with an engineer who covers Markham.
Same or next day depending upon engineer availability.
