Site planning risk brief

PROTECTED STRUCTURE: PERMISSION:The development will consist of the removal of 3 no. historic one-over-one sliding sash windows to front (north-west) elevation at upper ground and first floor levels & replacement with new six-over-six sliding sash windows with slimline double glazing; 1 no. new six-over-three sliding sash window with sliding sash side lights with slimline double glazing to front (north-west) elevation at lower ground floor level in reinstated wall & ope (as per previously granted application for retention No.5170/22); all associated site works to existing two storey over basement terraced house and concurrently with all works as permitted by previously granted permission No.5170/22. No.41 Percy Place is a Protected Structure.

PROTECTED STRUCTURE: PERMISSION & RETENTION: The development will consist of Retention for removal of non-historic windows & portion of historic walls to both the front (N/W) & rear (S/E) elevations, modifications to internal historic opes and the removal of non-historic wall linings, joinery and partitions throughout. Permission is sought for the material change of use from commercial to a single-use family home comprising of the construction of a new single storey extension including partial removal of external walls to the rear (S/E) elevation of the main house & rear return as well as partial removal of historic boundary wall shared with No. 39; external modifications to include re-pointing of all brickwork, restoration of existing railings & refurbishment of all existing windows (to include slimeline double glazing); modifications to front include rebuilding wall under window ope with new sash window above; replacement of non-historic door to front porch all at lower ground floor; replacement of non-historic principle door & fanlight; modifications to rear to include alterations of two opes on rear return; replacement of all non-historic windows & doors with new windows on rear return & rear (S/E) elevation of main house; removal of existing external stair to rear; internal modifications to existing layout at lower ground floor to include removal of non-historic partitions in the rear return; removal of part of existing wall between front & rear rooms in main house; blocking up existing ope; new lightweight stud partitions to create modified layout; modifications to first floor level include the removal of existing stud partitions & the construction of new lightweight stud partition; new light weight stud partitions in the rear room in main house to facilitate new en-suite; at upper first floor removal of non-historic wc; 2 no. rooflights to single storey extension; installation of PV solar panels to the S/E facing inner roof valley; calsitherm thermal insulation to internal face of existing walls throughout; general restoration & decoration works; all associated site works to existing two storey over basement terraced house No. 41 Percy Place is a Protected Structure.

PROTECTED STRUCTURE: Permission for demolition of single storey extension to the rear (south-east) to create additional garden space and WC together with internal refurbishment works to include upgrading and replacing the windows, heating and electrical services, and kitchen units, in addition to repairs to chimney, new attic space access, and associated works at the existing two-storey over basement dwelling, a protected structure (RPS ref. 6698).

PROTECTED STRUCTURE: (RPS no. 6696) permission for the development comprising alterations to development previously approved under Reg. Ref. 5201/22 comprising (i) single storey flat roof extension to rear at basement floor level to accommodate ensuite bedroom; (ii) provision of new window ope in side wall of original basement level rear return, (iii) all ancillary works, including internal layout revision, at basement floor level and SuDs drainage necessary to facilitate the development.

PROTECTED STRUCTURE: The development consists of: Rear Return - (a) removal of roof structure and partial demolition of external walls (b) construction of new 3rd storey over existing return with flat roof and flat rooflight (c) internal alterations to room layouts of rear return. Main House (d) internal alterations to basement room layouts (e) new opening and steps between rear reception room and stairs landing at upper ground floor level (f) removal of internal partitions between front rooms at first floor level (g) removal of non-original bathroom and associated stairs above first floor. Facades - (h) repointing of all existing brickwork with lime pointing (i) remaking of existing sashes to match existing using slimline double glazing (j) modification of external opening to rear façade at basement level to install new French Doors (k) new door opening in rear wall at upper ground floor (l) removal of existing external granite steps to rear and installation of new external steel stairs (m) solar panels to inner valley of main roof (n) refurbishment of front railings facing Percy Place (o) Relocation of low wall and railings within rear garden (p) and all associated site works.

PROTECTED STRUCTURE: The development consists of: Demolition and disposal of: non-original sections of lane façade, non-original roof and non-original floor slab of existing mews structure. Careful deconstruction of existing historic masonry walls of existing mews structure (historic masonry to be retained on site and reused in proposed mews). Construction of a new-build two-storey mews building for ancillary use to main house at 35 Percy Place. Greenhouse to rear (garden side) containing access stairs to first floor. Ground floor to contain 1 no. off-street parking space accessed from Percy Lane. Slate roof to main volume of mews with central roof light. Sloped glass roof to greenhouse at rear. New mains drainage connection to Percy Lane and all associated site works.