Leak Detection in London & Damp Solutions
At Arcas Plumbing, we understand how damaging hidden water leaks and damp can be. From mould growth and unpleasant odours to costly structural damage, even a minor leak can turn into a serious issue if left unresolved. That’s why we provide fast, accurate, and affordable leak detection in London and damp detection in London, helping homeowners, landlords, and businesses catch moisture problems early.

Using advanced non-invasive technology, we detect leaks behind walls, beneath floors, and above ceilings—without unnecessary damage to your property. Whether it’s an emergency or a slow-developing issue, our experienced engineers are ready 24/7 to identify the source and deliver effective solutions.
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Our Damp & Leak Detection Services
Our comprehensive damp and leak detection services in London cover every part of your home or commercial property—from floors and walls to ceilings, roofs, and concealed pipework—ensuring no issue goes undetected. At Arcas Plumbing, we combine cutting-edge detection equipment with expert knowledge of London’s varied property types to catch problems early, reduce long-term damage, and recommend cost-effective repair solutions. Whether you’re facing visible damp patches, unexplained increases in your water bill, or subtle signs of moisture, our team pinpoints the source with precision—giving you lasting protection and peace of mind.
Ceiling Leak Detection
We identify the root cause of ceiling leaks quickly and accurately, whether it’s from a burst pipe, roof issue, or plumbing failure. We’ll trace it to the source and provide the best repair strategy.
Bathroom & Shower Leak Detection
Slow leaks behind bathroom tiles or under showers can go unnoticed for weeks. We use moisture meters and thermal imaging to detect leaks and prevent long-term water damage.
Toilet Leak Detection & Repair
Dripping toilets or hidden leaks around the base can cause floor and subfloor damage. Our team locates and repairs these issues fast, protecting your bathroom from costly repairs.
Boiler Leak Detection & Repair
If your boiler is losing pressure or leaking, our engineers can quickly assess the problem and make safe, efficient repairs—avoiding further damage to your heating system.
Kitchen Leak Detection
Water under sinks, behind appliances, or beneath floors? We specialise in finding and fixing hard-to-trace kitchen leaks that often go undetected until damage occurs.
Pipe Leak Detection & Repair
Whether it’s a pinhole leak in a copper pipe or a cracked joint behind a wall, we locate and repair water pipe issues with minimal disruption.
Central Heating Leak Detection
Losing pressure in your central heating system? Our heating engineers can trace the leak through radiators, pipework or your boiler, using advanced methods to avoid unnecessary repairs.
Roof & Loft Leak Detection
Rainwater entering your loft or ceiling cavities? We offer professional roof and loft leak detection and collaborate with roofing specialists if structural repairs are needed.
Damp Survey & Moisture Control Solutions
Noticing unusual smells, peeling paint, or dark wall patches? These are often signs of excess moisture. At Arcas Plumbing, our damp detection in London service goes beyond basic leak checks—we conduct comprehensive property surveys and deliver customised treatment plans to keep your home dry, healthy, and structurally sound.
Damp Survey & Diagnosis
e carry out full damp surveys using moisture meters, thermal imaging, and visual inspections to identify the type and cause of damp in your property.
Penetrating Damp Solutions
We address external water ingress caused by damaged brickwork, failed render or poor guttering, ensuring walls stay dry and protected from rainwater.
Condensation Control & Ventilation
Condensation is a common problem in bathrooms, kitchens, and poorly ventilated homes. We offer passive and mechanical ventilation solutions to reduce moisture and prevent mould.
Damp Repair for Ceilings, Walls & Floors
If moisture has already caused damage, we provide full restoration services—removing mould, replacing damaged plaster or flooring, and treating the underlying issue for long-term results.
Bathroom & Kitchen Damp Repair
Damp in wet areas is common but preventable. We provide lasting repairs, sealant work, and water-resistant installations to protect walls and floors in high-humidity spaces.
We serve London and the surrounding towns and commuter areas.
Enfield
Croydon
Newham
Brent
Ealing
Barnet
Wandsworth
Hillingdon
Kingston upon Thames
Guildford
Redbridge
Tower Hamlets
London
About Arcas Plumbing
A Team of Reliable Full-Service Plumbing Experts for Homes and Businesses Across London.
With over 15 years of experience delivering expert plumbing services across London, Arcas Plumbing is your trusted, family-run local business. From quick fixes to complex plumbing and heating issues, our skilled engineers provide honest advice, fast diagnostics, and reliable solutions—all at competitive prices.
Arcas Plumbing in London
Have an Emergency?
Need help with plumbing or heating? Arcas Plumbing offers fast, affordable emergency services—just a call away.
For immediate assistance with plumbing emergencies in London, reach out to us:
Phone: 077 2365 1551
Online Contact Form: Contact Us