Moisture detector (moisture testing meter) against a wall with rising damp, reading high moisture content.
Moisture detector (moisture testing meter) against a wall with rising damp, reading high moisture content.

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4.3

Excellent rating - 4.3/5 (9300+ reviews)

Having trouble finding that leak?

  • Thermal imaging leak detection
  • Gas leak detection
  • Water leak detection
  • Non-invasive leak detection
  • ...or anything else.
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Best rated leak detectors near me

Recent Leak Detection reviews in Central London

Great service and communication

Fix leaking tap

£65

Great service and persistence

Leaking tap

£85

Very helpful and informative throughout the process.

Leaking from boiler

£60

Great job and very knowledgeable.

Kitchen sink leaking

£70

Jimmy was very efficient in sorting my toilet leak + gave me tips on how to prevent the problem happening in the future! Defo recommed!

Toilet leak

£30

Good communication & quick to the job!

Plumbing: Fix bathroom leak

£200

What's the average cost of a leak detector in Central London

£70 - £135

low

£70

median

£100

high

£135

Low, median and high bar chart distribuiton

Average reviews for Leak Detection Services in Central London

based on 207 reviews

4.94

202
2
0
2
1

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289+

Tasks successfully completed

3

Average amount of offers per task

13

 mins

Average time to receive offers

Statistics from the most recent tasks on Airtasker over the last 4 years.

What do leak detection services include?

To keep your home safe from water damage, it's crucial to work with expert moisture leak detectors for a thorough job. Some leak sources can be difficult to locate, especially when using minimally invasive procedures that enable you to preserve your home's integrity. 

By booking a leak detection service on Airtasker, you can enjoy the following:

Site assessment

Every leak detection process begins by thoroughly assessing your property. Taskers will identify areas most likely to have a leak (a step also called prelocation) by checking for visible signs like damp walls, blistered plaster, or pooling water outside. You can also expect them to perform advanced inspections, such as monitoring the water meter for unseen leaks, provide you with further insights and help them plan the next steps.

Advanced leak detection

The goal of moisture leak detectors is to locate and repair leaks without any unnecessary damage to your property. They do this by using tools like thermal imaging, inspection cameras, ground listening devices, and acoustic sensors to quickly identify possible leak areas and confirm where the leak exactly is. If at all required, tracer gas (usually helium) can be used to track stubborn leaks.

Detailed reporting

Once the leak is detected, your hired moisture leak detector will provide a detailed report. This report includes images and recommendations on how to move forward. They will walk you through your options based on the findings — whether you'll need extensive repairs or minor fixes will suffice. 

If the source of leaks turns out to be significant damage on your roof, fascia, or downpipe, you can work directly with a specialist to make the necessary repairs or replacements to these key parts of your home. Leaks can also be caused by a faulty hot water system. If this proves to be the case, you can book a Tasker specialising in this area.

Post-repair restoration

Following the repair, your Tasker can offer additional support such as water damage remediation and industrial drying. Feel free to inquire about these services in advance to ensure you hire an expert who can accommodate these extra steps for long-term protection.

Airtasker has over 106 leak detectors in Central London, with an average rating of 4.94 stars from 207 reviews. Get in touch with leak detectors such as Anthony G, Hakan G, and Gulzar M today to get a wide variety of Leak Detection jobs done. From Hot Water System Installation & Repair, Shower Head Installation, and Toilet Installation; you can get all types of Leak Detection done usually between £70-£135, with the median price of Leak Detection in Central London being £100.
Don't live in Central London? We also have leak detectors available in Wood Green and Kilburn available today.

Recent Leak Detection tasks in Central London

Fix Leak Under Sink

£40

Gospel Oak, Greater London

23rd Oct 2025

There’s a leak coming from the pipe/trap under the sink. Need a plumber to inspect and repair or replace the faulty part to stop the leak. Please bring necessary fittings and sealant. Additional Info: We pay our invoices every Thursday. Please contact if you are comfortable with the payment method.

Fix a leaking pipe

£50

Camden Town, Greater London, NW1

22nd Oct 2025

Leaking pipe coming through extractor fan - suspect is the over spill but either way is not great atm

Leak under sink

£50

Kilburn, Greater London, NW6

20th Oct 2025

Just fund a leak under my kitchen sink

Fix leaky pipe.

£100

Tulse Hill, Greater London

20th Oct 2025

We have a water leak, the water is leaking out from underneath a wooden casement (see picture), assume it is a pipe and potentially a rusty washer.

Fix leaking pipe

£75

Lower Clapton, Greater London

18th Oct 2025

Pipe on the outside of our bathroom connected to the drain pipe is leaking when we run the water in the bathroom, presumably has come loose. Dripping into our downstairs neighbours’ garden. May just be a case of tightening it or a part may need replacing. Need a relatively high ladder, I estimate it’s 4-6M off the ground

Egzon fixed our leaking pipe which was dripping into downstairs neighbours’ garden. He turned up early, was friendly and a great communicator. Would recommend 👍

Boiler filling loop valve leaking

£30

Peckham, Greater London, SE15

16th Oct 2025

Boiler filling loop valve leaks when open. Likely valve needs replacing. Qualified gas safe engineers only.

Toilet leaking underneath — water damage and possible mold

£300

Hampstead, Greater London, NW3

16th Oct 2025

My toilet is leaking water underneath the base and causing visible water damage, mold/mildew buildup, and cracked tiles around it (see attached photos). The leak looks like it’s coming from underneath or behind the toilet. I need a plumber to: Inspect and identify the exact source of the leak Repair or replace the wax seal/flange if needed Clean and reseal the area to prevent further damage Please include an estimate or hourly rate in your quote. I’m hoping to get this fixed as soon as possible to avoid more damage.

Change a mixer in the shower and fix a leaking external boiler flue

£150

Leyton Marshes, Greater London

13th Oct 2025

Hi. I live in Walthamstow E17 8BX and need a mixer changing in our shower and our external boiler flue straightening as it is currently leaking. We have a new mixer so we only need it installing. Would you be able to let me know if you’d be free any time soon to come round and have a look at these, please? I’d like this done as soon as possible, as we’d have guests staying this weekend. Thanks

Fix the sink leakage in Camden today

£125

Lower Holloway, Greater London, N7

12th Oct 2025

There’s still a small leak under the kitchen sink, even though the grease/fat trap has already been emptied. The likely cause was grease buildup and blockage – the trap had filled up with solidified grease and food waste, restricting water flow. This can cause pressure to build up in the pipes and joints, forcing water to leak through weak spots. I need someone to: • Inspect the pipes and connections • Identify where the leak is coming from • Tighten or reseal any loose fittings • Make sure everything drains properly and no water is escaping

Very well thank you!

Leaking tap

£80

Peckham, Greater London, SE15

12th Oct 2025

We have a mixer tap in the kitchen which has started leaking from the levers.

Leaking boiler

£100

Upper Clapton, Greater London

11th Oct 2025

Boiler leaking water - needs a service and leak fixing

Plumber, under the sink leak

£50

London, Greater London, EC2V

9th Oct 2025

Leak under the sink just drops

Bathroom Tap Replacement & U-Bend Leak fix

£100

Haggerston, Greater London, E2

27th Aug 2025

The ceramic discs in my old basin taps are broken and won’t stop dripping. Want to replace with new pair purchased online. There is also a slow dripping leak from the ubend behind the sink so I think this will need to be replaced too. I can either purchase or you can supply the ubend. Plumbers preferred.

Michael arrived on time and completed the task very quickly ! Lovely guy and nice to meet you. Thank you Michael !

Repair leak at back of bath - hot tap isolator valve is leaking

£150

Tower Gardens, Greater London, N17

26th Aug 2025

Leak is coming from the red isolator valve at back of the bath. Needs replacing and we need a check that the leak isn’t coming from anywhere else. Female plumbers to the front! All offers welcome of course.

Quick, professional, easy - loved his work. He used his knowledge to not only do as we asked, but went further to ensure no more leaks. Brand new valves - thanks!

Fix leaking tap

£50

Nine Elms, Greater London, SW8

25th Aug 2025

Leaking tap in the kitchen

Punctual. Effective communication. Good worker.

Small leak behind toilet tube

£25

Brompton, Greater London

18th Aug 2025

I noticed a small leak (a drop every 30 seconds or so) where the tube of the toilet meets the wall, see photo below.

Fixed the problem and helped me with something else in the house that was not working!

Take out my toilet and find the leak and fix it!

£150

Shacklewell, Greater London

28th Jul 2025

Take out my toilet find leak and fix it! We may need to buy and fit a new toilet, we may not. We will need to cut some plywood (supplied) to fix the floor for sure!

Ibukun came a bit late but was very professional, knowledgable and happy to do the work as agreed for the fee without argument or anything difficult. We would definitely use him again!

Its leaking water from the tube and that needs to be fixed.

£100

Earl's Court, Greater London

5th Jul 2025

The tube below the sink is leaking water and needs to be fixed.

Fantastic, ponctual and very kind

Leaking toilet

£100

Battersea, Greater London, SW11

2nd Jun 2025

The floater in the toilet cistern isn’t lifting properly which is causing a leak, in the porcelain toilet itself, we need someone to come and fix this and replace it. It could also be a gasket that needs replacing

Did many hours for us and still kept price. Great job!

A plumber to fix a leaking tap

£100

Kennington, Greater London

23rd May 2025

I have a leaking tap that needs a new washer

Brilliant service - Muhammad really took the time to fix my problem. Highly recommend!