Two air-conditioning units at 89 Blenheim Crescent, Kensington, London W11

“/PP/26/03065:1 THE ROYAL BOROUGH OF KENSINGTON AND CHELSEA PLANNING APPLICATIONS COMMITTEE 06/10/2026 REPORT BY THE DIRECTOR, PLANNING AND PLACE Application: PP/26/03065 Agenda Item: N073 Address:89 Blenheim Crescent, LONDON, W11 2EQ Proposal: Retention of two air condenser units within an acoustic enclosure, in the rear garden area.”

“/PP/26/03065:2 3.1The application site comprises a four-storey (including lower ground floor) residential dwelling forming part of a terrace of traditional residential buildings on the southern side of Blenheim Crescent. The property forms part of a uniform Victorian terrace and benefits from a private rear garden which backs onto the communal rear garden.. 3.2The site is located within the Ladbroke Conservation Area.”

“4.2Officers visited the site on 21/08/2026. 4.3There is no recent relevant planning history for this application site. 5.Main policies and strategies relevant to the decision The development plan 5.1The main planning considerations applying to the site and the associated policies are: Local Plan 2024 Conservation areasCD3, CD4, CD7, CD15 and GB15 General townscapeCD1, CD2, CD10 and CD12 Living conditionsCD9 OverheatingGB5 NoiseGB8 Air QualityGB6 ConstructionGB7 Fire…”

“The application has been assessed in accordance with the submitted plans and supporting documents, which seek retrospective permission for the retention of the two air conditioning condenser units and associated acoustic enclosure. The Council's Environmental Health Officer has reviewed the proposal and raises no objection subject to conditions. No evidence has been provided to indicate that the proposal would result in structural damage to neighbouring properties.”

“The prediction location is to the rear façade of the neighbouring property, and this would also be representative of noise levels in the rear garden of the neighbouring property. No objection, subject to conditions 2 and 3. Section 6 London Parks & Gardens Trust No comments.N/A”

“Details REFUSED, against the recommendation, for the following reason:”

“The proposal by reason of its size, siting, design and subsequent visibility from both public and private views, would harm the setting of the Grade II Listed communal garden to the rear and fail to preserve or enhance the character and appearance of the Ladbroke Conservation Area, contrary to policies CD1, CD2, CD3, CD4, CD7 and CD15 of the Local Plan 2024 and the NPPF.”