Common Window sizes

Index: Common measurements: Windows

Common modern window sizes

	RL	133%	150%	200%
Height under window
Typical modern	0.75	1	1.125	1.5
Bathroom	1.4	1.85	2.1	2.8
Window height
Typical	1.05	1.4	1.6	2.1
Bathroom	0.6	0.8	0.9	1.2

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Common Victorian window sizes

	RL	133%	150%	200%
Height from floor to top of sash
Min.	2.13	2.84	3.2	4.27
Max.	2.18	2.91	3.28	4.37
Height under window (from floor to top of ledge)
Public (living room, dining room etc.	0.48	0.61	0.69	0.91
Public and private	0.76	1.01	1.14	1.52
Private (bedroom, study etc.)	0.91	1.22	1.37	1.83
Service (bathroom, kitchen etc.	1.07	1.42	1.6	2.13
Width
Standard Victorian/Edwardian sash	1.22	1.62	1.83	2.44