Changes made by Council Directive of 13 February 1978 on the performance of heat generators for space heating and the production of hot water in new or existing non-industrial buildings and on the insulation of heat and domestic hot-water distribution in new non-industrial buildings (78/170/EEC)
EU Directive 1978/170
No changes made by Council Directive of 13 February 1978 on the performance of heat generators for space heating and the production of hot water in new or existing non-industrial buildings and on the insulation of heat and domestic hot-water distribution in new non-industrial buildings (78/170/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.