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Alexandra Palace · N22, N10, N8

Leak Detection in Alexandra Palace

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

★★★★★ 5.0 from 20 Google reviews · trusted by Alexandra Palace homeowners, landlords & property managers
Quick answer: If you have a suspected water leak at a property in Alexandra Palace, 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. Leak detection is a fixed £650, usually carried out within 3 to 5 working days. Urgent same-day or next-day leak detection is £1,000. Call 020 3051 8478.

Leak to dry to treated, one company in Alexandra Palace

Alexandra Palace's housing stock ranges from Victorian and Edwardian terraces climbing the slopes below the palace to purpose-built mansion blocks and converted flats around Alexandra Park. Many terraces have been split into flats with shared risers and stacked bathrooms, while the hilly terrain and older extensions combine to make hidden leaks from ageing pipework and roofs a recurring issue.

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 Investigation

Tell rising damp, penetrating damp and condensation apart, so the right repair is done once. Damp investigation →

Areas of Alexandra Palace we cover

We attend leaks right across Alexandra Palace and its neighbourhoods, including:

Common leaks in Alexandra Palace homes

Converted terraces with shared stacks and stacked bathrooms

Streets around Alexandra Park and Wood Green contain many Victorian terraces divided into flats, each with a bathroom stacked above the one below. Shared soil stacks and boxed-in pipework run between floors, so a failed joint or perished seal often stays hidden until water tracks through a ceiling into the flat beneath, by which point plaster and joists may already be affected.

Flat-roofed rear extensions on hillside terraces

The sloping streets near Muswell Hill and Hornsey are lined with Edwardian and Victorian houses that have flat-roofed kitchen and bathroom extensions built onto the rear. These roofs are prone to membrane splits and pooling water after heavy rain, and because the extension sits below the main roofline, leaks can travel along ceiling joists unnoticed for weeks before staining or damp appears indoors.

Perished seals and old pipework in sloped period properties

Alexandra Palace's elevated, uneven terrain means many period homes were built with slight falls in floors and foundations that have shifted further over time. This movement stresses old lead or cast-iron pipe joints and bathroom seals around baths and shower trays, causing slow escapes of water that seep into subfloors and party walls long before any visible sign reaches the room above.

What our customers say

Excellent
Rated 5.0 / 5 based on 20 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 Alexandra Palace?

Call 020 3051 8478 or report a leak online. We trace, dry and treat for homeowners, landlords and managing agents across Alexandra Palace.

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Frequently asked questions

How much does leak detection in Alexandra Palace cost?
Leak detection is a fixed £650, usually carried out within 3 to 5 working days. Urgent same-day or next-day leak detection is £1,000. 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 Alexandra Palace

Damp and mould survey

Find the real cause of damp, mould or a leak in a Alexandra Palace property, with a written report and photographs. Damp survey in Alexandra Palace →

Structural drying

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