Practical guidance for interior blinds: fit inside the recess or on the wall?.
Choose recess or wall mounting from measurements
Measure width and depth at several points, then check handles, ventilation and opening clearance. The blind type determines where brackets can be fixed.
You may also find this guide useful: how to mount shelves and mirrors safely.
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Practical checks for choose recess or wall mounting from measurements
Measure the recess at several points. Photograph handles and vents. Choose inside-recess or face fixing.