Leak detection near Monmouth in Monmouthshire
Leak detection near Monmouth locates hidden leaks in water connections and domestic pipework. ADI Leak Detection Monmouthshire arranges visits across the county through head office. Monmouth 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 Monmouth area of Monmouthshire?
The Wye and Monnow meet beside a town with wooded hills and low river margins. Priory Street's older houses and Monnow Bridge provide county context; explain the present property and the space affected.
Monmouth's 2021 accommodation figures show 36.3% detached housing, followed by 27.5% semi-detached and 18% terraced. The apartment, maisonette and flat category is 17.6%. Late Georgian houses on Priory Street and the Almshouse Street cottage terrace illustrate individual historic settings. They do not date every dwelling in the built-up area, so include known extensions or conversions when describing a water-loss enquiry.
A Monmouth domestic-pipe enquiry should locate the building within Wyesham, Overmonnow, Osbaston or the town itself. Explain any changed kitchen or bathroom position and which surfaces became wet first; the NP25 postal association alone cannot show the internal route.
For premises around Monnow Street, Church Street or Agincourt Square, distinguish the occupied unit from any shared part of the building. The appraisal records commercial and mixed uses in these locations, making the entrance, control point and access contact useful enquiry details.
Which places around Monmouth are in this county guide?
This county guide describes the places and landscape around Monmouth.
- Monmouth NP25
- Wyesham NP25
- Osbaston NP25
- Overmonnow NP25
Local landmarks and terrain
- Monnow Bridge
Who handles supply-pipe leaks around Monmouth in Monmouthshire?
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 Monmouth. 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 Monmouth?
What does Monnow Bridge contribute to the county account?
Monnow Bridge is recorded as a scheduled monument with a medieval bridge gate. It helps locate Monmouth's historic core. The heritage description gives no evidence about a nearby property's water installation or the condition of its concealed fittings.
How can a Monmouth landlord describe the affected accommodation?
Identify the occupied rooms, any conversion and who can provide entry above or beside the damp. Monmouth's Census tenure table combines private renting and rent-free occupation in a 15.4% category; the particular tenancy and repair contact need their own explanation.
How do you book a county visit near Monmouth?
Send your postcode and a technical advisor calls back to arrange the visit with an engineer who covers Monmouth.
Same or next day depending upon engineer availability.
