Singapore, Nov. 23 -- We refer to Mr Andrew Tan Kok Chua's letter (Review how Goodwill Repair Assistance scheme deals with leaks, Nov 13).

Flat owners are responsible for the maintenance of the interior of their flats. The repair of leaks in the floor slab between flats is a joint responsibility between upper-and lower-floor flat owners.

Hence, when there is a leak, both upper-and lower-floor flat owners need to liaise with one another to investigate and carry out repairs.

It is important for lower-floor flat owners to approach their upper-floor neighbours when there are early signs of leaks, so the issue can be resolved quickly.

To help flat owners resolve ceiling leaks arising from natural wear and tear over time, and keep the rep...