PERMISSION & RETENTION: PROTECTED STRUCTURE: 1. Retention permission for Change of Use (residential use-single dwelling)(formerly Office). 2. Retention Permission for alterations carried out to include: removal of modern internal partition walls and modern doors, removal of redundant modern services, and removal of modern office fit-out. 3. Planning Permission for proposed works to include: (A) the removal of existing single storey 4.8 sqm. structure to rear of building, removal of later interventions and removal of redundant services. (B) Construction of a two storey over basement extension 29.4 sq. metres to the rear with external terrace at second floor 16sq. metres, with enabling alterations to rear facade, new extension 9.2 sq. metres at third floor, to existing stair return providing new internal stair connection between second and third floor with enabling alterations to rear facade and roof. (C) Works to the existing building to include: conservation and refurbishment of the building fabric, including alterations to plan-form, forming and altering door openings, upgrading of services throughout including new sanitary provisions, provision of new external glazed door and sidelights to front facade at basement level, upgrading of building fabric to provide fire resisting construction to provide protected escape route from upper floors to street, and provision of domestic scale Fire suppression system. (D) Works to external facade consisting of: Cleaning masonry, removal of overpainting to masonry elements, pointing renewal and masonry repair to front facade, Cleaning and refurbishment of railings, plinth, and paving, Replacement of modern windows to front facade with timber double glazed sliding sash windows, Replacement of existing door case with new timber door case, sidelights and elliptical overlight, Repair works to gable wall, rear facade and rear return, replacing existing concrete window sills with granite sills, replacement of uPVC windows and timber double glazed sash windows, Replacement of uPVC rainwater goods with cast iron rainwater goods. Renewal of slate roof, renewal of existing gutters. Repairs to parapet walls and chimney stacks including provisions of new chimney pots.