Building Management · 08-07-2026
Water Leak Between Floors: Who Pays and How to Settle It
When water leaks from one apartment into the one below, responsibility follows the source: if the leak comes from a private installation, the owner of that installation pays for the repair and, in most cases, the damage it caused; if it comes from a common pipe, the roof or another shared part of the building, it is a common expense handled by the management committee. That single principle settles most cases. The hard part is everything around it: proving where the water actually comes from, separating the repair from the damage, and keeping two neighbours on speaking terms while the ceiling dries. This guide walks through each step.
First, find the source. Everything depends on it
Water travels. A stain on a bedroom ceiling can come from the bathroom above it, from a balcony two metres to the side, from a common riser inside the wall, or from a roof terrace three floors up. Guessing from the position of the stain is how disputes start.
Get a plumber to trace the leak before anyone argues about money. A written note from the plumber stating the origin, even a short one, is worth more than any amount of debate at the general meeting. For stubborn cases there are leak-detection firms with thermal cameras and moisture meters; they cost more, but a definitive answer is cheap compared to opening the wrong wall.
While the source is being traced, the affected owner should photograph everything with dates: the ceiling, the walls, any damaged furniture. If the water is actively flowing, shutting off the supply to the suspected apartment is a reasonable emergency step, and most neighbours will cooperate once they understand their own bill grows with every day the leak runs.
Who pays for what
Once the source is known, the costs split into two distinct pieces that people constantly mix up.
The repair of the leak itself. A burst flexible hose under a sink, a failed washing machine connection or a corroded private branch pipe belongs to the apartment it serves, and its owner pays to fix it. A leaking common riser, a failed waterproofing membrane on the roof, or a shared drainage stack is the building's problem, paid from common funds like any other maintenance of shared parts.
A useful test when the deed is silent: does the pipe serve one unit or more than one? A branch that feeds only apartment 4B is 4B's pipe, even where it happens to run inside a shared wall. A stack that carries three apartments' waste water is common, even where it passes through a private bathroom.
The damage the water caused. Repainting the downstairs ceiling, replacing swollen skirting, drying out a wardrobe. As a rule this follows the same responsibility as the source, but it is where insurance enters the picture, and where positions harden if the paperwork is thin. This is exactly why the plumber's written note matters.
Where insurance fits
Three policies can be involved, and it is worth knowing which does what before you need them:
The building's common policy typically covers water damage originating from common installations, and sometimes damage between units. Committees should read the water-damage clause specifically; excesses on water claims are often higher than on anything else.
The upstairs owner's home policy, where one exists, usually includes liability cover for damage caused to third parties, which is precisely a leak into the neighbour below.
The downstairs owner's contents policy can pay for their damaged belongings quickly, with the insurer then pursuing whoever was responsible.
In practice many Cypriot buildings carry no common policy at all, and many apartments are uninsured. Then the costs land directly on the parties, which raises the stakes of establishing the source properly. It is also one more argument for the building-wide insurance that the pending κοινόκτητες οικοδομές bill would make mandatory.
The dispute playbook
Most leak disputes are not really about the money. They are about one side feeling ignored. The sequence that keeps things civil is short:
Notify in writing early, keep it factual, and copy the committee. Attach the photos and the plumber's finding. Propose a concrete next step with a date: access for the plumber on Thursday, quotes exchanged by the end of the week. If the responsible party refuses access or stalls, the committee should send one formal letter noting that ongoing damage from delay will also be theirs to cover. That letter resolves the majority of stand-offs; the small remainder end up with lawyers, which both sides should understand costs more than any ceiling.
One case worth spelling out because it recurs everywhere: the leak from a long-empty apartment. The committee should hold a current phone number and email for every owner, resident or not. Chasing an owner abroad through a chain of relatives while water drips is the most avoidable emergency in building management.
Prevention costs almost nothing
Flexible hoses under sinks and behind toilets fail far more often than any other component; they cost a few euros and are worth replacing every several years rather than after the flood. Roof membranes and balcony sealing should be inspected before each winter, since that is a common expense either way, and cheaper as maintenance than as an emergency. And the building's main shut-off valves should be labelled, accessible and known to more than one person.
Every leak generates a paper trail: photos, the plumber's report, letters, quotes, the insurance claim, who paid what. Keeping all of it attached to the building's own records is what turns the next dispute into a five-minute lookup, and that is the kind of memory Folio keeps for every building automatically: every call, report and document about the leak, in one thread, findable years later.