Replacement of existing rear single storey extension with a two storeyextension, and introduction of two dormer windows within the main rearroof slope, and associated internal works, to allow for community usesancillary to the ongoing use of the building (comprising Nos. 29 & 31)as a Mosque with ancillary residential accommodation (Partly retrospective)as approved by application reference 170365 with a variation of Condition 2 (Approved Plans) relating to changes to the North elevation and provision of an emergency escape staircase on the south elevation and associated conditions.