How to Measure for Blinds

Measuring for blinds sounds simple enough - until you're standing at the window with a tape measure, wondering where exactly you're supposed to start.

Inside the recess? Outside it? Top of the frame or top of the wall? It's one of those tasks that feels straightforward until it isn't, and getting it slightly wrong can affect both how the blind looks and how well it functions.

Here's a clear, practical guide to getting it right.