Moonraker wrote:
I wish to restrict an internal door from opening into a kitchen unit.
I saw a device installed on a TV program that consisted of 2 blocks
one recessed on the door the other in the jam joined by a chain which
restricted the opening. It looked very neat but a Google has failed
me, all I can find are security devices. All suggestions welcomed.

This?
http://www.handles4doors.co.uk/Ironmongery-Door-Fittings/Concealed-Door-Closers/sc642/p15455.aspx