Speak to a Specialist
Speak to a Specialist
Forest Hill · SE23, SE26

Leak Detection in Forest Hill

Non-destructive water leak detection across Forest Hill, tracing hidden leaks with thermal imaging, acoustic sensors and tracer gas, then drying and treating the damage before it becomes mould.

★★★★★ 5.0 from 23 Google reviews
Quick answer: If you have a suspected water leak at a property in Forest Hill, our specialists trace the source without tearing the place apart, using thermal, acoustic and tracer-gas methods. A leak is not over when the water stops. Mould can start within 48 hours, so we find the source, dry the structure and treat any mould, all with one company. We confirm the price on a written quote once we understand the problem. Call 020 3051 8478, and if it is urgent, say so when you call.

Damp, mould & leak services in Forest Hill

Forest Hill's housing stock is dominated by Victorian and Edwardian terraces built on steeply sloping streets around Dartmouth Road and Sydenham Hill, many now split into flats with shared plumbing stacks. Rear closet wing extensions with flat felt roofs, converted lofts, and older mansion blocks near the station all add junctions and pipe runs prone to hidden leaks.

Leak Detection

Trace hidden water leaks without unnecessary damage using thermal, acoustic and tracer-gas methods. Leak detection →

Structural Drying

Dry walls, floors and voids after a leak or flood with monitored dehumidifiers, to completion. Structural drying →

Mould Treatment

Treat and prevent the mould that follows water damage, dealing with the moisture source first. Mould treatment →

Damp, Mould and Water Damage Assessment

One visit that tells rising damp, penetrating damp and condensation apart and finds what is feeding any mould, so the right repair is done once. About the Assessment →

Areas of Forest Hill we cover

We attend leaks right across Forest Hill and its neighbourhoods, including:

Common leaks in Forest Hill homes

Converted terraces with shared pipework

Many Forest Hill terraces were divided into flats decades ago, leaving plumbing stacks and waste pipes boxed in behind plasterboard and shared between floors. A failed joint or perished washer on an upper floor often shows up as a stain or damp patch in the flat below, with the source hidden inside a duct that neither occupant can easily inspect.

Flat-roofed rear extensions and closet wings

The single-storey flat-roofed additions typical of Forest Hill's Victorian terraces, often housing a kitchen or bathroom, were commonly finished in felt or asphalt that degrades with age. Once the covering splits or the upstand flashing pulls away from the brickwork, rainwater tracks along joists and ceiling timbers before appearing well away from the actual point of entry.

Sloping streets and ground movement

Forest Hill sits on notably hilly ground around Sydenham Hill and Dartmouth Road, and properties built into these slopes are more exposed to ground movement and surface water runoff. This can stress old lead or clay pipe joints and door thresholds, causing perished seals around baths and shower trays to fail quietly, sending water into subfloors long before any visible mark appears.

What our customers say

Excellent
Rated 5.0 / 5 based on 23 reviews on
Tip: If your water meter ticks over with every tap off, or a wall or ceiling stays damp with no obvious cause, there is a hidden leak. Finding it early is far cheaper than repairing the mould and damage it leaves behind.

Suspect a leak in Forest Hill?

Call 020 3051 8478 or send us the details and we will agree a date with you. If it is urgent, say so when you call.

Frequently asked questions

How much does leak detection in Forest Hill cost?
We confirm the price on a written quote once we understand the problem. If it is urgent, call us on 020 3051 8478. You get a written, insurance-ready report identifying the source.
Will you damage my home finding the leak?
No. We use non-destructive thermal imaging, acoustic sensors and tracer gas to pinpoint the leak before any access is opened up, so repairs are targeted.
Do you fix the damage after finding the leak?
Yes. A leak is not over when the water stops. We dry the structure with monitored dehumidifiers and treat any mould, so it is handled end to end.
Do you provide reports for insurance claims?
Yes. Every leak investigation comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents.

More help in Forest Hill

Damp, Mould and Water Damage Assessment

Find the real cause of damp, mould or a leak at your Forest Hill property, with a written report and photographs. Assessment in Forest Hill →

Structural drying

Dry walls, floors and voids in Forest Hill after a leak or flood, monitored to completion. Structural drying in Forest Hill →

Mould removal

Treat black mould in your Forest Hill property and fix the moisture source behind it. Mould removal in Forest Hill →

See what you get before you speak to us: read a real report from start to finish.