Trace and access leak detection experts
Same day service available
Insurance claim support
99% of leaks found & fixed
Half hour rates from £55.00 + VAT
Book online for 10% off labour
Book a leak detection expert
or call for help, advice, or to book
020 3883 7261
Our leak detectors use a range of methods to reliably find the source of a leak anywhere in a property. They all have years of experience in relevant trades, including plumbers, gas engineers, roofers and drainage engineers. It means we can find and repair any leak, and reinstate water damaged areas to their original condition.
The non-invasive equipment used to trace a leak doesn’t cause damage to your property. Most insurance companies insist on the use of trace and access methods when they’re processing an “escape of water” claim.
All the information needed for a successful insurance claim comes in a detailed report provided following every investigation.
Our trace and access leak detection service is available 24/7 and we don’t charge extra for an emergency attendance, when we aim to have a leak detector on-site within an hour.
Recent customer reviews
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Ricky, Aspect’s leak trace and access plumber couldn’t have been more professional or helpful. Gave great advice, worked swiftly and efficiently to find the hidden leak and kept me well informed before doing the repairs. Highly rated.
Jo, Ampthill, MK45
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We had a leak where our insurance allocated plumbers could not easily find the source. We were advised we needed to obtain trace and access services which we could invoice back, so we contacted Aspect. Their tradesman was extremely knowledgeable and was able to run through the process in finding the source to our leak. A few hours later and it was found. I wanted to shout about the fantastic service we have had. Thank you!!
John, Newmarket, CB8
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My insurance company wasted a day by not sending a trace and access specialist. When Aspect sent Aaron he efficiently eliminated the possibilities and found the leak and fixed it. Then put together a report for me to submit to my insurer while also arranging for someone to come to repair the damage the leak had caused. I will certainly be working with Aaron and Aspect again.
Katie, Ingatestone, CM4
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Luke from Aspect has just completed a trace and access investigation at my property and detected the leak within an hour. He was very thorough and is extremely professional, taking time to explain all options available to rectify the issue. Aspect is definitely a company I would be happy to recommend to anyone.
Kenny, Huntingdon, PE28
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Aspect has never let me down. Not the cheapest but they always turn up and deliver. On this occasion some expert leak tracing by Aaron using enough tech kit to launch a spaceship. Really good service and a job well done.
Matt, Gerrard's Cross, SL9
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I had a problem in unable to trace a leak from a pipe. Aspect sent Jim along to find the leak. He was very thorough and efficient tackling the investigating. He was very courteous and careful of our home. The job is still ongoing and am confident the problem will be resolved.
Michael, Leighton Buzzard, LU7
Trustpilot
WATCH: How we detect leaks
Most trace and access companies use similar methods. There isn’t one method that’s used to locate any type of leak. Normally, several techniques are used on each job. Results from each technique allows attention to be focused in a specific area.
We’ve produced a series of videos to show examples of how the trace and access approach used in different situations.
This video shows some of the techniques used when the source of damp could be either plumbing pipes or a roof.
How to find a water leak
Thermal imaging
A thermal imaging camera shows surface temperatures without needing access or to insert probes into the structure of a property. Cool areas detected in building fabric can indicate the accumulation of moisture. Readings can help direct attention where it’s needed quickly. It’s probably the most used piece of equipment for trace and access leak detection.
It clearly shows the flow of hot water through pipes even when they’re concealed. It’s commonly used to find central heating leaks. Our experts also use them as part of flood tests to help pinpoint where water is entering a property, or where baths or showers aren’t correctly sealed. High-res images from the camera are included in reports.
Borescope cameras
These flexible cameras allow our experts to look inside tight or closed spaces, such as a boiler cupboard or behind a washing machine with restricted access. They can be easily inserted into ceiling voids via light fittings. Small holes might need to be drilled in walls to investigate cavity space. However, they can be filled without difficulty afterwards to avoid damage to your home.
Providing our experts with visual evidence, they’re a useful and less damaging option to a fully invasive visual inspection. Images from the camera are saved and included as part of the survey report.
Tracer gas
A non-harmful, odourless gas is released under pressure into drained pipes. A highly sensitive detection probe is used to locate where the gas is escaping from. The gas is lighter than air and rises quickly. It can penetrate all types of floor covering, including hardwood, laminate, tiles, carpet and vinyl. It can even penetrate concrete.
As well as being a reliable piece of water pipe leak detection equipment, tracer gas can also be used to find leaks in sections of flat roof. The gas can be released into ceiling voids. The probe is able to trace where it’s escaping through the roof covering.
Tracer gas is frequently utilised to find leaks in heating systems. However, it can’t always be used on water-fed underfloor systems.
Dye / flow tests
Fluorescent dyes are a method for visually tracing water leaks. They’re visible to the eye, but by using a UV lamp they can be seen in very low concentrations. This means they can highlight the position of a leak before droplets of water begin to form.
The water soluble dyes are added to pipes before water is released in them. Different dyes are available depending on the pipework being tested. For example, a specialist food dye that’s non-toxic is used when testing water supply pipes. Other dyes are available for wastewater and soil pipes or heating system pipes.
Our trace and access rates
- From £55.00 per half-hour
- One hour minimum
- 10% off when you book online
- Fixed pricing for planned work
Check our rates
Contact us
- Our team is available 24/7
- Use our callback request form
- Tell us what you need help with
- We’ll call you back within 15 mins
Request a callback
No hidden extras
What you get from Aspect
- Experienced & vetted tradespeople
- 24 hour availability for all trades
- Dedicated technical support team
- Aspect Guarantee on workmanship
- Peace of mind from trade accreditation
Occasional extra costs
- Parts and materials used
- Collection of parts and materials
We won’t charge you for
- Cost of parking
- Fuel or travel time
- Congestion Charge
- ULEZ charge
Ground microphone
A buried leak, sometimes referred to as a slab leak, can be located to within a few centimetres by using sensitive acoustic equipment. It’s a very reliable piece of equipment for trace and access.
A highly sensitive microphone is placed on the ground. Tiny vibrations, created as water escapes under pressure from the pipe, are amplified as sound. As the microphone is placed in different positions, the changes in sounds detected allows the location of the leak to be pinpointed.
The technology works on small or large leaks in pipework made from any type of material. It’s so sensitive that tiny leaks buried beneath concrete floors can be pinpointed.
Flood testing
This test attempts to replicate the movement of water through a point of ingress to where it becomes visible inside a property as water damage. Water is released where it would normally be expected to drain away. A moisture meter and thermal image camera are used to help track whether or not water is penetrating building fabric rather than draining away. Small areas are tested systematically to help pinpoint the problem area.
Flood tests can be conducted using either hot or cold water. They are useful for helping to detect ineffective seals around baths and showers and well as glass roofs. Faults in brickwork and masonry can also be detected with this trace and access method.
Moisture meter
The moisture meters we use are extremely sensitive monitoring devices. They allow our experts to accurately assess moisture levels in building material to a depth of 15mm.
Readings are taken by inserting two probes into the building material (this leaves two small holes where each reading is taken). Results establish the amount of excess moisture that’s present. Multiple readings can show how moisture is spreading through walls or ceilings.
The equipment doesn’t show where the water is coming from, so it can’t be used as a water leak finder. It’s main use is to build a more detailed picture of the problem before the tests to trace a leak begin.
Pressure testing
Detecting a drop in pressure on a closed plumbing system is a quick and obvious indication of a leak. Our experts will fit a pressure gauge on parts of a plumbing or heating system that can be easily isolated. For example, pressure testing an underfloor heating system separately from the main central heating system can help to focus the investigation to a smaller area.
This basic method can only indicate the presence of a leak. Other detection methods are needed to help trace the location of the it.
Our guarantee and accreditations
We're fully trade accredited and registered with Gas Safe and the National Association of Drainage Contractors (NADC). All our trace and access leak detectors are vetted and fully trained. In addition, the Aspect Guarantee covers our workmanship for up to 12 months.
When you book an Aspect trace and access specialist you can count on getting the professional expertise you're looking for.
Recent knowledge sharing articles
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Causes and prevention of mould on walls
If the conditions are right, mould can develop on walls and ceilings in any home. And, if the reasons for mould growth aren’t identified and addressed, it will become a permanent fixture on the cleaning list. Learn about mould removal... Learn about mould removal
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Detecting leaks in mains water supply pipes
A higher than expected bill from your water supply company is sometimes a good indication of a leak. However, there could be a number of other reasons too. This article covers reasons why your water bill could be higher than usual... All about leaks in supply pipes
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How to make a successful leak insurance claim
Would you know what to do if you found a leak in your property? By learning about the claims process, you'll be better prepared if a leak happens. You could also minimise the damage, making your claim more likely to succeed... Making an escape of water claim
Areas we cover
Our trace and access leak detectors can be booked to work anywhere in the South East of England. We’ve expanded our service area to cover the south coast and the Midlands too.
We can schedule trace and access leak detection anywhere in Bedfordshire, Berkshire, Cambridgeshire, East Sussex, Essex, Greater London, Hampshire, Hertfordshire, Kent, Northamptonshire, Oxfordshire, Suffolk, Surrey, West Sussex, and Wiltshire.
If you need a leak detector outside of these areas we might still be able to help. Our scheduling team will check availability for you. Submit a callback request and someone from our team will get in touch. We’re ready to help 24 hours a day, 7 days a week.
Submit your request here
Can’t find the information you’re looking for?
Our other damp and leak investigation pages
Our leak detection experts can be booked for a wide range of tasks. Read more about the range of services we provide here: –
- ; bathroom leaks can be tricky to isolate, avoid unnecessary damage to tiled floors and walls with trace and access methods
- Detection of ceiling leaks; as well as finding plumbing leaks our experts can trace any source of water ingress such as leaking roofs or brickwork
- Finding heating system leaks; our Gas Safe registered tradespeople can pinpoint the location of a concealed leak anywhere on a central heating system
- Damp and mould removal; before removing mould from walls be sure a leak or water ingress isn’t the cause of excess moisture that helps it to grow
- Underground leak detection; the no-dig techniques used to find leaks in buried pipes are extremely reliable and include acoustic equipment and tracer gas
- Our leak detection services; if you have signs of damp at home, we find and fix water leaks and sources of water ingress wherever they are in a property
10% off our hourly rates when you book online.
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