Sooner or later every Dubai apartment building has the same argument: a drain blocks, someone has to pay, and the resident, the owner and the building each believe it is someone else. The good news is that the question usually has a factual answer, and a camera can find it.
The usual dividing line
The common convention is simple: pipework serving only your unit is usually the unit owner matter, while shared pipework, the stack your line joins and everything downstream of it, is usually the building matter, maintained through the service charge. Exact arrangements vary with your building rules and contracts, so treat this as the typical pattern rather than a legal ruling, and check your own documents.
What the symptoms suggest
Before anyone spends money, the pattern of the problem is a strong clue. If only your unit is affected and everything else in the building drains normally, the blockage most likely sits in your own pipework. If several units on the same vertical column have trouble at once, or the lowest unit on the column backs up when others use water, the problem is almost certainly the shared stack.
What the camera proves
Symptoms suggest; the camera decides. A survey locates the blockage by distance from the entry point, which places it either inside the unit pipework or in the shared line, and records what it is made of. That footage does two useful things at once: it directs the repair to the right place, and it replaces a three way argument with a fact everyone can look at.
Where tenants fit in
For rented units there is a second boundary: tenant versus landlord. The working convention in most tenancies is that blockages caused by use, food waste, wipes, hair, fall to the tenant, while problems of the pipework itself, scale, defects, construction debris, roots, are the landlord side. Here too the camera earns its fee, because it shows whether the pipe failed or was simply misused, and the answer is in the footage rather than in anyone's opinion.
The sensible sequence when it happens
- Note the pattern: one unit or several, and what triggers it
- Report to building management early, especially if the pattern points at the stack
- Get the line cleared so life continues, and ask where the blockage was found
- For anything recurring or disputed, get a camera survey and keep the footage
- Settle responsibility from the evidence, then fix the cause, not just the symptom
- The usual convention: unit-only pipework is the owner matter, shared stacks and downstream are the building matter.
- One affected unit suggests unit pipework; several units on one column suggest the shared stack.
- A camera survey locates the blockage precisely and turns the dispute into a fact.
- In tenancies, usage blockages typically fall to tenants and pipework defects to landlords, and footage shows which it was.
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Frequently asked questions
The building says the blockage is inside my unit. Do I have to take their word?
No. Ask where exactly the blockage was located and how. A camera survey fixes the position by distance from the entry point, and the footage shows whether it sits in your pipework or the shared line. Evidence is cheap compared with paying for the wrong repair.
My unit backs up whenever neighbours use water. What does that mean?
That is the classic signature of a shared stack problem: your unit is simply the lowest open point on the column, so the shared blockage announces itself at your floor. That pattern is usually a building matter, and worth reporting with exactly that description.
As a tenant, when is a blockage mine to pay for?
Typically when it was caused by use: food waste, grease, wipes or similar. If the camera shows scale, construction debris, roots or a pipe defect, that is the pipework itself failing, which usually sits with the landlord. Check your tenancy contract, and keep the footage either way.