Spell out Street, Avenue, etc: Mr Morris of Otley Road, Headingley.
Don’t abbreviate county names where a recognised abbreviation exists: thousands saw the planes in an air show at Waddington, Yorks.
London telephone numbers should be written thus: 020 7735 9339.
The same arrangement – area code, space, first four figures of local number, space, last four figures of local number – applies to Cardiff, Coventry, Leeds, Portsmouth, Southampton and Northern Ireland.
Other British telephone numbers should be written with a space between the area code and the local number: 01905 855000.