From listed stone buildings inside the old town walls to new riverside homes at Brunel Quarter, Chepstow properties call for leak detection that leaves no mark. We locate the escape precisely, then hand you the evidence.
Chepstow guards the Welsh end of the old Severn crossing, and its housing runs from medieval-footprint streets by the Wye to estates finished this decade. Owners of period properties in particular come to us because our survey finds leaks without disturbing fabric that may be centuries old — or legally protected.
The M4 carries our engineers from Neath in about 75 minutes, and NP16 sits firmly inside our fixed-fee territory: £480 + VAT for the full survey, whichever side of the Wye you live on. Sedbury, Tutshill and Beachley on the English bank are covered on the same terms as the town itself.
Whether the outcome is a repair, a negotiation with a management company or an insurance claim, you keep the survey report — leak position, thermal captures, moisture measurements and photographs — prepared to the standard trace and access assessors expect.
Local knowledge
The riverside core of Chepstow is genuinely old: stone and Georgian buildings, many listed, on streets that predate modern services entirely. Pipework here threads through rubble-filled walls and beneath flagstone floors, so invasive investigation is not merely destructive — on a listed building it may need consent you do not have. Non-invasive location is the only sensible opening move.
The twentieth century wrapped distinct layers around that core. Garden City at Hardwick was planned in 1917 to house National Shipyard workers, with the Bulwark garden suburb following in 1917–19 and larger estates growing around it later; Thornwell added post-war and modern housing to the south. Newest of all are the riverside homes of Brunel Quarter on the former shipyard site — contemporary plumbing, but built densely enough that one household's fitting failure quickly becomes a neighbour's ceiling stain.
WHAT WE FIND IN CHEPSTOW
Coverage
We serve the whole NP16 district: the town centre and riverside, Hardwick and Garden City, Bulwark and Thornwell, Brunel Quarter, the villages of Mathern, Pwllmeyric and St Arvans — and across the Wye to Sedbury, Tutshill and Beachley.
Postcode areas covered: NP16
Our methods
Period fabric changes the rules of engagement. In Chepstow's older buildings we work outside-in: thermal imaging identifies live pipe routes behind historic plaster, acoustic sensors listen for escaping water through metre-thick masonry, and tracer gas confirms the point of failure without a chisel touching the wall. On the modern estates the same kit works faster still — screeded floors and plasterboard hide pipes from the eye but not from gas sensing or a thermal lens — and moisture mapping defines the drying area for whoever handles reinstatement.
A safe hydrogen-nitrogen mix escapes through the smallest defects — traced above ground to pinpoint the leak.
Non-toxicInfrared surveying reveals temperature anomalies behind floors, walls and ceilings.
Non-contactAmplifies the distinctive sound of pressurised water escaping from mains, copper and MDPE pipework.
UndergroundA flexible camera inspects wall cavities, floor voids and boxing-in through the smallest access point.
Minimal accessComparative readings across plaster, timber and concrete map water migration and confirm findings.
Evidence-gradePricing
Many leak detection companies charge £100+ per hour with no way of knowing the final bill. Our Trace & Find survey is a fixed £480 + VAT — however long it takes to find your leak.
A complete leak detection survey with the right equipment for your property.
no hourly rates · no hidden costs
Once located, repairs are quoted separately — every repair varies by leak type, pipework and access.
Priced individually to reflect the size, complexity and requirements of each project.
Answer a few quick questions and we will point you to the right fixed price.
Chepstow FAQs
Answers specific to Chepstow properties and how we work in the area.
Yes — that is the point of working non-invasively. Detection relies on thermal imaging, acoustic listening, gas tracing and surface moisture readings, none of which alter the building fabric, so listed building consent is not triggered by the survey itself. Any subsequent repair opening is then minimal and precisely placed.
We do. The NP16 postcode reaches over the river, and Sedbury, Tutshill and Beachley receive the same fixed £480 + VAT survey as addresses in the town centre — no border surcharge, naturally.
A spreading ceiling patch usually means live water rather than old staining, most often a heating or waste connection above. Contain what you can, avoid piercing the plaster, and have it traced — the source is regularly a surprising distance from the visible mark.
Yes. It documents the located escape point together with the thermal, moisture and photographic evidence behind the finding — the package trace and access cover exists to reimburse. Most buildings policies in Monmouthshire include this cover as standard.
Neither, meaningfully. The £480 + VAT fee already includes travel, and we typically offer NP16 appointments within two to three working days, with weekend visits available between 9am and 2pm.
Book a non-invasive Trace & Find survey for a fixed £480 + VAT — we locate the source fast, with a full report for your records or insurer.
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