On a multi-unit property the hard part is not finding the leak. It is establishing which unit or common area it belongs to.
Sub-metering and zone isolation answer that before the repair argument starts. Domestic work at Leak Detection Cape Town.
Tell us the number of units, the meter setup, and what the account is running at.
Get a Commercial QuoteTypical Scope
- Bulk meter reconciliation against the sum of the sub-meters, to size the unaccounted loss.
- Zone isolation overnight to narrow the loss to a section.
- Acoustic and correlator work on buried common-property mains.
- Fixture audits across units, since dozens of small leaks add up faster than one large one.
- CCTV on shared drainage.
- A written report allocating cause and responsibility.
Where the Water Usually Goes
On complexes it is rarely one dramatic burst. It is a set of leaking toilets across units, an irrigation solenoid that never closes, and a buried common-property main. Each is small. Together they are the difference between the bulk meter and the sub-meters.
Commercial Leak Detection Prices in Cape Town
| Job | Indicative range | What moves it |
|---|---|---|
| Commercial leak detection | From R4,750 | Scoped on size and connection count. |
| Bulk versus sub-meter reconciliation | R2,400 – R6,500 | Sizes the unaccounted loss. |
| Overnight zone isolation testing | R3,500 – R9,500 | Out-of-hours, low-demand conditions. |
| Fixture audit, per unit | R450 – R950 | Toilets, taps and cisterns. |
| Correlator survey on common mains | R1,800 – R3,800 | Per run. |
| CCTV survey of shared drainage | From R4,750 | Priced per block or per run. |
| Report for trustees or managing agent | R1,200 – R3,500 | Cause, location and responsibility. |
| Ongoing monitoring, monthly | R1,500 – R6,500 | Meter tracking and alerting. |
These are indicative market ranges, not a quotation. They are compiled from published South African leak detection and plumbing pricing to give you a starting point for budgeting. They are not the rate card of any company on this platform.
For a body corporate, the report allocating cause is often worth more than the detection itself, because it decides whether the cost falls to the scheme or to an individual owner.
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Frequently Asked Questions
How is a leak traced to a specific unit?
By isolating zones and comparing sub-meter readings against the bulk meter, usually overnight when demand is lowest. That narrows the loss to a section, and detection equipment then pinpoints it.
Who pays in a sectional title scheme?
It depends on where the failure sits. Common property plumbing is the body corporate's; the installation inside a unit is normally the owner's. A written report identifying the location is what settles the allocation.
Can detection be done without disrupting the business?
Yes. Most commercial testing is done after hours precisely because low demand gives cleaner readings and quieter conditions for acoustic work. It suits both sides.
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