Hidden water leak detection for villas in Al Mlz, Riyadh

Prepared by the technical team · editorial review · last updated 13 November 2026 · Sources

Before we start: what we know about Al Mlz

The centre of Al Mlz is at 24.6561, 46.7275, about 8.3 km from the centre of Riyadh, with an approximate radius of 2.8 km. The approximate area shown on the map is centred here. The centre of Al Mlz sits about 592 m above sea level (SRTM open elevation data).

Al Mlz is mainly apartment buildings. Main roads in or near Al Mlz: University Street, Salah al-Din al-Ayyubi Road, Omar bin al-Khattab Road.

Hidden water leaks in villas are most often found in places nobody sees: behind tiles in wet areas, under concrete slabs, inside wall cavities that carry supply pipes, and at joints in underground or rooftop tanks. The first sign is usually not a puddle but a rising water bill, a damp patch on a painted wall, a soft or discoloured floor, or a pump that runs longer than it should. Because the damage develops quietly, the usual approach is to confirm the leak's location before any opening-up work begins, so that only the affected section is disturbed.

In Al Mlz, the centre sits at 24.6561, 46.7275, about 8.3 km from the centre of Riyadh, with an approximate radius of 2.8 km. The area is mainly apartment buildings, so a villa here may share water systems, drainage lines or boundary walls with neighbouring properties. This matters for leak detection: a damp wall on one side may be fed from a pipe that belongs to a shared line, so the technician should trace the route of the supply and drainage lines on the plan before testing. The site sits at about 592 m above sea level, which is noted in the area profile but does not change the method used. Tank work is priced per square metre for internal coating, at SAR 25–70 per m², so if a tank is found to be leaking, the surface area to be treated is measured first and the quote is based on that measurement.

Before the visit, ask the service provider which pipe routes and tank locations they expect to test, and whether they will work from your existing plans or need to survey the property first. Ask how they will separate a leak in your villa from one in a shared line, and what they will do before breaking any tile or concrete. Ask for the coating method and the surface area they will measure if a tank needs repair, and confirm in writing how the per-square-metre rate will be applied. Finally, ask who will clean up and reinstate any opened surfaces, so that the visit ends with the leak found and the property left in order.

In a villa, tanks, the roof and the yard lines are usually yours to look after, so it helps to know where the main valve and tank hatches are.

When do you need hidden water leak detection?

The following signs are worth checking before they grow:

• The meter keeps turning with every tap closed
• A water bill higher than usual with no change in use
• A damp patch that slowly grows on a wall or ceiling

Where the problem usually comes from

• A corroded joint inside a wall — we check this before anything else.
• A common cause: a cracked pipe under floor tiles.
• A hot line that expands and contracts with use.

Tools and methods, and when we use them

From the first visit to the report

1. Meter test: We stop all use and watch the meter to confirm whether water is actually being lost.
2. Line isolation: We close valves one line at a time to see which line loses pressure.
3. Acoustic listening: We follow the sound of water escaping under pressure and compare its strength between points.
4. Thermal imaging and moisture mapping: We map how far the wet area spreads behind paint and tiles.
5. Documentation: Readings, photos and the likely position go into a written report.

Quick comparison: facts and costs in Al Mlz

Common questions about hidden water leak detection in Al Mlz

Mistakes that cost more

• Repainting the stain while the moisture keeps coming back
• Breaking tiles at random before the line is identified

What you get after the work

The written output: a technical report with the readings, the likely leak position and a confidence level. The report is numbered and can be checked with its verification code.