Variation of condition 2 of planning consent FH/TH/19/1400 'Erection of two storey front extension with balcony, two storey and single storey side extensions together with erection of single storey rear extension, alterations to materials and additional off-street parking space to allow enlargement of first floor front extension, changes to balcony, insertion of sun tube, demolition of existing chimney stack, together with alterations to fenestration and materials