Flat 3 4th Floor, 20–22 Leather Lane, London, EC1N 7SU

Section 73 application (Minor Material Amendment) to vary conditions 2 (approved drawings) and 17 (landscaping details) of Planning Permission ref: P2024/3089/FUL dated 10/04/2025 for ‘Refurbishment of existing office (Use Class E) building including relocation and replacement roof plant, replacement of stair enclosure and lift core, creation of a roof terrace, revision to the facade, ground, first, second and third floor infill extensions to the rear, creation of external terrace and plant enclosure at rear first floor, ground floor infill extension to under croft, enclosure of ground floor courtyard and associated works.’ Amendments seek updated front elevation to accommodate the relocated UKPN Substation entrance (from basement to ground floor); insertion of smoke shaft from basement to roof level; installation of extract grille at fourth floor level; layout amendments to improve services, circulation, and the means of escape during a fire; removal of 1 (no.) accessible cycle parking space from ground floor level due to fire safety requirements; increase in number of long stay cycle parking spaces at lower ground floor level from 38 (no.) spaces to 45 (no.) spaces; omission of combined attenuation and rainwater harvesting tank in basement due to structural demolition risks and submission of landscaping details and amendment of Condition 17 (Landscaping) wording to a compliance condition in accordance with the landscaping proposals.

External alterations including alterations to main entrance, installation of louvres within existing window openings to basement lightwell and at 6th and 8th floor levels and adjustment to terrace doors at 8th floor level.

Submission of Dust Control Management Plan and Noise & Environmental Controls pursuant to condition 2 of planning permission 26/00892/FULL dated 24.08.2026.