Old Flat, Old Wires: Should You Rewire and Replace the DB Box?

Name: Perimeter Studio
Address: 2 Defu South Street 1, #07-10/#07-10M, Singapore, 533755, SG
Telephone: +6581240909

Should you rewire an old resale flat and replace the DB box? Wiring lifespan, RCCB safety, and why only a Licensed Electrical Worker may touch your distribution board.