S73 to vary condition 21 of ref: 17/0265/FUL (Mixed use development comprising ground floor retail floor space (Use Class A1) with 10 no. residential flats (Use Class C3) on upper floors along with integrated cycle parking following demolition of existing buildings on the site) to read: 'The development shall be carried out in accordance with the submitted 'feasibility for renewable & low carbon technology and 10% calculations assessment' document (Green Heat Ltd, 21 September 2018).