Park House, Onslow Square, London, SW7 2NG

Without planning permission, the installation of three dormer windows to the south-eastern roof slope

Authority: Royal Borough of Kensington and Chelsea
Appeal type: enforcement · Enforcement Notice
Procedure: Written Representations
Development: residential · Householder developments
Inspector: Pleasant L

Main issues, as the Inspector framed them

The effect of the development on the character and appearance of the host property and Thurloe Estate and Smith's Charity Conservation Area
The living conditions of neighbouring residents

What decided it

The unauthorised dormers cause less than substantial harm to the significance of the heritage asset (the conservation area) by compromising the high-quality design of the approved building, and this harm is not outweighed by any public benefits.

Framework references: 202, 130

Plan policies cited: Policy CL1, Policy CL2, Policy CL3, Policy CL5, Policy CL8, Policy CL11, Policy HC1

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