In UK there is no VFR at night....
Quote from CAP 393:
Choice of VFR or IFR
20 (1) Subject to paragraph (2) an aircraft shall always be flown in accordance with the Visual Flight Rules or the Instrument Flight Rules.
(2) In the United Kingdom an aircraft flying at night shall:
(a) be flown in accordance with the Instrument Flight Rules outside a control zone;
(b) be flown in accordance with the Instrument Flight Rules in a control zone unless it is flying on a special VFR flight.