26/00351/FULL

Status: Granted (09 Jul 2026)
Application Details
Description

Use of all floor levels at 38 Portland Place as Class E (office use) and residential (Class C3) at 9 Cavendish Mews north, removal of link building between 38 Portland Place and 9 Cavendish Mews North at ground, first and second floors, formation of a new rear stair core to main building, new external fire escape stair, creation of new terraces to office space in connection with plant space and the installation of air source heat pumps, internal alterations throughout, external alterations to the front and rear facades of the mews building, internal alterations to create new residential units, creation of new terrace spaces (Linked to 26/00352/LBC)

Council

Westminster

Application Type

Full Planning Permission Application

Date Received

21 Jan 2026

Date Validated

21 Jan 2026

Decision Date

09 Jul 2026

Location
Address

Abercorn School 38 Portland Place London W1B 1LS

Postcode

W1B 1LS

Coordinates

51.520094800000000, -0.144533100000000

Source: Application UPRN

Quick Info
UID
26/00351/FULL
Reference
26/00351/FULL
Status
Granted
Last Updated
12 Jul 2026