Not quite law yet:
SERA.3225 Operation on and in the vicinity of an aerodrome
An aircraft operated on or in the vicinity of an aerodrome shall:
(a) observe other aerodrome traffic for the purpose of avoiding collision;
(b) conform with or avoid the pattern of traffic formed by other aircraft in operation;
(c) except for balloons, make all turns to the left, when approaching for a landing and after taking off, unless otherwise indicated, or instructed by ATC;
(d) except for balloons, land and take off into the wind unless safety, the runway configuration, or air traffic considerations determine that a different direction is preferable.
All turns should be in the direction of the traffic pattern!