We locate and repair hidden leaks in Derry homes and businesses. Our qualified engineers use advanced equipment to find leaks quickly, with minimal disruption.
Call us today — most clients in are seen within 48 hours.
Rated 5 stars
At NI Leak Detection, we provide professional, non-invasive leak detection services throughout Derry / Londonderry and the surrounding towns. Our expert team uses advanced technology to locate hidden leaks quickly and accurately, saving you time, money, and unnecessary damage.
Using cutting-edge tools such as thermal imaging, acoustic sensors, tracer gas, moisture mapping, and pressure testing, we can pinpoint leaks hidden under concrete, floors, or walls — with minimal disruption to your property.
Don’t let a hidden leak cause costly damage.
Our local, friendly team is ready to help you find and fix the problem fast.
Call NI Leak Detection now for expert leak detection in Derry / Londonderry.
A homeowner noticed their heating system losing pressure. Our engineers used acoustic leak detection and tracer gas testing to identify a leaking pipe beneath the kitchen tiles. Only one tile was lifted, the leak was repaired the same day, and the client recovered £4,180 under their Trace & Access cover.
We provide a full range of leak detection and repair services across Derry.
Each service is carried out by qualified plumbers using non-invasive technology, with insurer-approved reporting.
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Water Leak Detection: locate hidden leaks in domestic and commercial plumbing systems.
Underfloor Leak Detection: trace leaks beneath concrete floors and tiled areas without damage.
Central Heating & Boiler Leak Detection: identify faults in heating systems and prevent costly breakdowns.
Plumbing Leak Repair: repair leaking joints, pipes, and fixtures with same-day service.
Trace & Access Reports: provide photo-backed reports to support insurance claims.
Water Damage Restoration Advice: help you prevent secondary damage and plan recovery after a leak.
“NI Leak Detection repaired a central heating leak in our Derry home with minimal disruption. They dealt with our insurance company, and everything was approved without delay.”
Anne
Cityside, Derry
“In our terraced house near the Bogside, damp patches appeared. The team used a borescope camera and moisture meters to confirm a hidden leak without damage. Their Trace & Access report meant the costs were fully covered.”
John
Derry
We cover all areas in and around Derry, including:
- Cityside;
- Waterside;
- Bogside;
- Creggan;
- Eglinton and surrounding villages.
We also provide Leak Detection Services across Northern Ireland.
Our engineers are local, and we also cover nearby towns and cities including:
- Leak Detection Bangor;
- Leak Detection Belfast;
- Leak Detection Lisburn;
- Leak Detection Newtownabbey.
Call us to find out how we can help you today.
NI Leak Detection provides leak detection in Derry.
We trace leaks with acoustic testing, thermal imaging, tracer gas, moisture mapping, and pressure tests.
We confirm the source without opening floors so you avoid damage, control cost, and use our report for your insurer.
NI Leak Detection, part of the PCLA group.
Property Claims Loss Assessors Ltd (PCLA) are authorised and regulated by the Financial Conduct Authority. FRN 933781.
NI Leak Detection is a trading name of Property Claims Loss Assessors LTD. By using the services of NI Leak Detection, you acknowledge and agree that all leak detection services are provided by independent third-party contractors introduced to you by NI Leak Detection.
NI Leak Detection acts solely as an introducer and does not supervise, manage, or control the services performed by third parties. All payments for services must be made directly to the respective third-party contractors. NI Leak Detection receives no commission or financial reward for providing this introduction service.
NI Leak Detection disclaims any and all responsibility or liability for the quality, workmanship, or suitability of services provided by third-party contractors.
To the fullest extent permitted by law, NI Leak Detection shall not be held liable for any loss, damage, or defects arising out of or in connection with the services provided by third-party contractors. Any concerns, disputes, or claims must be addressed directly to the contractor responsible for performing the services.
NI Leak Detection makes no representations or warranties, express or implied, regarding the services offered by third-party contractors, including but not limited to warranties of merchantability, fitness for a particular purpose, or quality of work.
This disclaimer is governed by and construed in accordance with the laws of the United Kingdom.
