Whether you’re choosing roller, Roman, or Venetian blinds, this step-by-step guide will help you measure with confidence. And if you're unsure at any point, the HIBO team is here to help — we offer expert advice, free consultations, and professional home measuring services across London.

Step 1: Decide How You Want the Blinds to Fit

Option A – Inside Recess Fit

Blinds sit neatly inside the window frame (recess), ideal for a clean, built-in look.
Best for windows with deep recesses and no obstructions.

• Width: Measure the width of the recess in three places – top, middle, and bottom. Use the narrowest measurement to ensure the blind fits properly.
• Extra tip: If you want your blinds to go all the way down to the floor, measure the width between the skirting boards at the bottom — this is often the narrowest point.
• Drop (height): Measure from the top of the recess to the windowsill or floor, again in three places. Use the shortest measurement.

Option B – Outside Recess Fit

Blinds are mounted outside the window frame, covering the wall or overlapping the recess.

Great for full light block, shallow recesses, or uneven frames.

Step 2: Measuring for Inside Recess Fit

• Width: Measure the width of the recess in three places – top, middle, and bottom.
  Use the narrowest measurement (to ensure the blind fits inside).
• Drop (height): Measure from the top of the recess to the windowsill or floor, again in three places.
  Use the shortest measurement.

Tip：We will make a small deduction to ensure a smooth fit inside the recess – you don’t need to adjust your measurements.

Step 3: Measuring for Outside Recess Fit

• Width: Measure the width of the window and add 10–20cm on each side to ensure full coverage.
• Drop (height): Measure from where you plan to mount the blind (above the window) to where you want it to end (e.g. sill or floor).

• • Usually mount at least 10cm above the window for better light control.

Tools You’ll Need

• Metal tape measure
• Notebook or phone to record measurements
• Pencil for marking positions if needed

Tips

• Always measure in centimetres (cm)
• Double-check every measurement
• For Roman blinds, ensure there’s space above the window for the blind to stack when raised

No problem.
We offer expert home measuring service in London.