Two-storey rear extension at 49 Radnor Walk, Chelsea, London SW3

What was proposed

The application proposed first- and second-floor rear extensions, an extra en-suite, a bedroom, new sash windows and an enlarged roof terrace.

“THE ROYAL BOROUGH OF KENSINGTON AND CHELSEA PLANNING APPLICATIONS COMMITTEE 21/10/2025 REPORT BY THE DIRECTOR, PLANNING AND PLACE Application: PP/25/04860 Agenda Item: S096 Address:49 Radnor Walk, LONDON, SW3 4BT Proposal: Extension to rear at first and second floor to add an extra en-suite at first floor and a bedroom at second floor, extension constructed in London Stock Brick; addition of double glazed white painted timber sash windows to rear elevation; and extending the…”

“49 Radnor Walk is an end of terrace property on the southern corner with Smith Terrace. The property has three above ground floor levels at the front, with a part two storey, part one storey extension at the rear. 3.2Although the building is physically connected to the rest of the terrace between 51-59 Radnor Walk, it is architecturally different.”

Officer report

Planning history

Earlier permissions covered basement enlargement and several alterations, including rear extensions, terraces, doors, rooflights and a green roof.

“4.2An amendment has been made to the original drawings to draw the building line of the second floor extension back in line with the main rear extent of the neighbouring No. The original drawing proposed an extension that would project 300mm beyond the neighbouring house. The removal or reductions of parts of a proposal are considered acceptable, and the amendments have been replaced the originals.”

“Granted 11/10/2011 PP/22/00267 Amendments to front hardstanding covering; replacement of rear doors at ground and basement level and rooflight over ground floor to rear lightwell; introduction of balcony and spiral stair to provide second means of escape from basement (not visible); introduction of sedum extensive green roof at first floor level; replacement of two rooflights at first floor level with opening rooflights for bathroom ventilation and smoke ventilation.”

Officer report

Speakers

There were no speakers for the application.

The committee vote

The committee unanimously voted to grant planning permission with the listed conditions.

“Resolved unanimously: to grant planning permission with the conditions listed in Section 9 of the report.”

Minutes