cs:westminster:26/04282/FULLPlanning Application cs:westminster:26/04282/FULL

Planning application at First Floor To Fifth Floor 143 - 149 Great Portland Street London W1W 6QN, Westminster. View planning documents, track the decision and get email alerts on updates.

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Variation of condition 2 of planning permission dated 17 October 2014 (RN: 14/07298/FULL) which itself varied condition 2 of planning permission dated 6 May 2004 (RN: 03/09722), for alterations, including extension of existing fire escape staircase in connection with use of first to fifth floors for educational purposes (Class D1) as an annexe to Portland Place School at 56-58 Portland Place). NAMELY, to allow the extension of planning permission for educational use until 31 December 2032.

26/04282/FULL

First Floor To Fifth Floor 143 - 149 Great Portland Street London W1W 6QN

SubmittedSubmitted29 Jun

ValidatedValidated

ConsultationConsultation

TargetTarget Date

DecidedDecided

This is a planning application for an outbuilding at First Floor To Fifth Floor 143 - 149 Great Portland Street London W1W 6QN. Westminster has handled 18,803 applications of this type and approves 88% of them, typically deciding them in 56 days. It was submitted on 29 June 2026 and is still awaiting a decision. The site is in the Harley Street conservation area, with 4 listed buildings nearby. There are no previous applications recorded at this address. We hold 132 applications in total for the W1W postcode area.