United Kingdom — Passport photo specification
Photo size: 35×45 mm (413×531 px at 300 DPI)
Background: Plain cream or light grey
Requirements:
Size: 35×45 mm
Plain cream or light grey background
Neutral expression, mouth closed
Eyes open and clearly visible
No glasses
Face must take up 70 - 80% of the frame
Taken within the last month
No head covering (unless for religious reasons)