✳ Bay windows,
made simple

Bay window measurement sheet

For a three-sided bay, viewed from above. Record a brief for your supplier; this is not an order form. Use a metal tape, measure twice and keep one reference line.

Download the A4 measurement sheet (PDF) →

ROOM SIDE · VIEW FROM ABOVEA · LeftB · CentreC · Right
Units: mm / cm (circle one)
________________________________
A · Left section
________________________________
B · Centre section
________________________________
C · Right section
________________________________
Measured section total: A + B + C
________________________________
Mounting: ceiling / wall / unsure
________________________________
Measuring line: frame / proposed fitting / existing fitting
________________________________
Largest handle or vent projection
________________________________
Desired curtain or blind drop
________________________________
Corner angles / bay depth (only using supplier method)
________________________________
End returns and curtain stack space
________________________________
Product / supplier and curtain heading
________________________________
Curtain weight and fixing surface
________________________________

Before ordering

Ask the supplier to confirm bend geometry, clearances, allowed joints, support positions, load rating, final size and pack contents. Do not use a standard bend allowance. For blinds, use the exact headrail-depth and corner method. Curved bays may require a template or survey.

baywindowfinder.co.uk · Full measuring guide · Open the calculator