Impro Plumbing & Engineering Pte Ltd is a plumbing firm at 1002 Toa Payoh Industrial Park in Toa Payoh, Singapore, with a Google rating of 4.3. Plumbing looks straightforward and rarely is. In Singapore, work on water service pipes, from new connections and alterations to repairs after a leak, must be done by a plumber licensed by PUB, the national water agency, so it is worth asking to see that licence before anyone opens a wall. The everyday jobs are dripping cisterns, worn mixer taps and choked floor traps, but the trickiest work in a mature estate like Toa Payoh is the concealed leak: with pipes buried in walls and floors, a damp patch can sit far from its source, and a good plumber traces the run properly rather than patching the visible damage. Based at Toa Payoh Industrial Park, Impro Plumbing & Engineering puts a well-rated plumbing option on the doorstep of one of Singapore's oldest housing estates.