Planning application
25/06668/LBC
Pegasus House 37 - 43 Sackville Street London W1S 3EH
Proposal
Creation rear ground floor waste and cycle storage room and an internal entilation duct with a louvre at 7th floor roof level.
As published by the council, reference 25/06668/LBC
Timeline
Dates from the published record
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17 Sep 2025
Received by Westminster
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6 Oct 2025
Decision issued: Application Permitted
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21 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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25/06732/NMA Granted
Pegasus House 37 - 43 Sackville Street London W1S 3EH
Amendments to planning permission dated 22nd September 2021 (RN:20/07605/FULL) for Variation of condition 1 of planning permission dated 28 February 2020 (RN: 19/00529) for the: Redevelopment of Pegasus House and Nuffield House including demolition behind a retained facade (west, south and east) of Nuffield House and replacement building comprising 2 level basement, ground, mezzanine and first to seventh floor and demolition and replacement of Pegasus House comprising 2 level basement, ground, mezzanine and first to fifth floors; amalgamation of the two buildings to provide new office (Class B1), retail (Class A1), restaurant (Class A3), flexible office / retail (Class B1 / A1), and residential accommodation (Class C3); and other associated works. Namely, creation of waste and cycle store and associated ventilation duct and extract.
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13/05191/ADLBC Granted
5 Albany Courtyard London W1J 0HF
Detailed drawings showing retention of the ceiling at first floor level pursuant to Condition 3 of planning permission dated 29 May 2013 (RN: 13/03315).
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25/05906/ADFULL Awaiting decision
Pegasus House 37 - 43 Sackville Street London W1S 3EH
Details of Shopfronts pursuant to condition 7 (b) of planning permission dated 22nd september 2021 (RN:20/07605). Linked with 25/06144/ADLBC
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25/08135/ADFULL Awaiting decision
Pegasus House 37 - 43 Sackville Street London W1S 3EH
Detailed drawings of the New facades typical details at all levels including roof level plant and Shopfronts pursuant to condition 7a, b of planning permission dated 21st September 2021 (RN 20/07605/FULL) (Linked to 25/08364/ADLBC)
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26/00819/ADFULL Granted
Pegasus House 37 - 43 Sackville Street London W1S 3EH
Details of facing materials (windows and secondary glazing) pursuant to Condition 5 of planning permission dated 22 September 2021 (RN: 20/07605/FULL)
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26/00817/ADFULL Awaiting decision
Pegasus House 37 - 43 Sackville Street London W1S 3EH
Details of new facades - typical details at all levels including roof level plant pursuant to condition 7 (part a) of planning permission dated 22 September 20221 (RN: 20/07605/FULL)
Other heritage and listed buildings applications
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26/04984/LBC Awaiting decision
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Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of a morning room side extension. (Linked to 26/04996/FULL)
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26/04979/LBC Awaiting decision
12 Brewer Street London W1F 0SF
Internal alterations including removal of internal enclosures; Replacement flooring, shelving and slatwall systems, staircase handrail repair and other associated joinery works.
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26/04987/LBC Awaiting decision
Basement And Ground Floor 8 Ganton Street London W1F 7QL
Repainting of the existing timber shopfront, hand-painted fascia lettering, installation of a new hanging sign using the existing projecting sign bracket, and installation of a discreet fascia-mounted LED trough light.
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26/04995/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of rear conservatory extensions and an entrance loggia to side with roof terrace above, together with associated landscaping and alterations. (Linked with 26/04994/FULL)