25/04609/NMA

Status: Refused (04 Aug 2025)
Application Details
Description

Amendments to planning permission dated 7th April 2025 (RN: 24/04987/FULL) for Partial demolition of the existing roof and removal of plant equipment; construction of a roof extension providing new office (Class E) floorspace with associated external amenity spaces and plant equipment; refurbishment of the existing building, including infilling of the existing atrium; alterations to the existing façade; provision of cycle parking spaces and end of journey facilities, and all associated and ancillary works. Namely, to allow Retention of existing cores, Infilling of atria; Provision of additional rooflights to the western 3rd floor terrace; Layout changes at ground and lower ground levels; second existing lift extended to level 9; and changes to some windows on the eastern façade and retention of existing first floor windows along Orchard Street.

Council

Westminster

Application Type

Non-material amendments

Date Received

04 Jul 2025

Date Validated

04 Jul 2025

Decision Date

04 Aug 2025

Location
Address

43 - 45 Portman Square London W1H 6LY

Postcode

W1H 6LY

Coordinates

51.515097600000000, -0.154969500000000

Source: Application UPRN

Quick Info
UID
25/04609/NMA
Reference
25/04609/NMA
Status
Refused
Last Updated
07 Nov 2025