During renovation, walls get opened, pipes are moved, wires are rerouted, and then everything gets sealed up nicely. A year later, when you need to drill a hole, fix a leak, or add a socket, no one remembers where anything is inside the wall.

Taking photos at key stages – especially when plumbing and electrical lines are exposed – gives you a visual map for the future. Save them in a folder labelled by room. You’ll be able to see: “Ah, there’s a water line running here, better not drill,” or “The junction box is roughly above this point.”

These photos also help new professionals understand your home quickly. Instead of guessing, they can see how pipes and cables were laid, which reduces the risk of accidental damage.

It’s a small habit: a few clicks on your phone at the right time. But those images can save you serious hassle years later when you’re trying to solve problems behind finished walls and ceilings.