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Planning application

50 Berkeley Street London W1J 8HA

Decided Westminster 26/03944/ADFULL

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Details of a post construction stage report which demonstrates that the development meets an "Excellent" rating under BREEAM UK Refurbishment and Fit-Out (RFO) 2014 pursuant to condition 6 (b) of planning permission dated 1st December 2021 (RN: 20/06093).

As published by the council, reference 26/03944/ADFULL

Application record

Reference
26/03944/ADFULL
Status
Decided
Received
16 Jun 2026
Validated
16 Jun 2026
Decided
2 Jul 2026
Postcode
W1J 8HA

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • 26/04542/NMA Decided

    50 Berkeley Street London W1J 8HA

    Amendments to planning permission dated 01 December 2021 (RN: 20/06093/FULL) for: Erection of two 2 storey infill extensions to the set-back corners at fifth floor level on the Berkeley Street/Mayfair Place elevation and Berkeley Street/Stratton Street elevation, the demolition of the existing mansard roof and its replacement with a single sheer storey (to match the lower floors) on the Mayfair Place elevation and Stratton Street elevation, erection of an additional set back floor at eighth floor level, plus roof top plant room. Associated external alterations, including to existing ground floor entrances, and alterations to the existing plant/ducts. Use of basement (part), ground (part) and 1st to 8th floor as offices (Class E) namely, to allow swapping the male & female shower & change areas; reducing the number of female showers from 11 to 8 - and total showers from 27 to 24; layout changes to location of lockers.

    Submitted 8 Jul 2026 Amendments
  • 25/05290/NMA Granted

    50 Berkeley Street London W1J 8HA

    Amendments to planning permission dated 1st December 2021 (RN:20/06093/FULL) for Erection of two 2 storey infill extensions to the set-back corners at fifth floor level on the Berkeley Street/Mayfair Place elevation and Berkeley Street/Stratton Street elevation, the demolition of the existing mansard roof and its replacement with a single sheer storey (to match the lower floors) on the Mayfair Place elevation and Stratton Street elevation, erection of an additional set back floor at eighth floor level, plus roof top plant room. Associated external alterations, including to existing ground floor entrances, and alterations to the existing plant/ducts. Use of basement (part), ground (part) and 1st to 8th floor as offices (Class E). Namely, Alterations to balustrade height, amendments to foam inlets, small roof opening enclosure to north core top roof

    Decided 12 Aug 2025 Amendments

Timeline

Dates from the published record

  1. 16 Jun 2026

    Received by Westminster

  2. 2 Jul 2026

    Decision issued

  3. 21 Jul 2026

    Added to PlanIndex

  4. 9 Aug 2026

    Status changed to Decided

    Previously Pending.

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

About this record

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

Nearby applications

Within 0.3 miles

  • 50 Berkeley Street London W1J 8HA

    26/04542/NMA Submitted 8 Jul 2026 50 yards away

    93% historically approved · decision due ~2 Sep

    Amendments to planning permission dated 01 December 2021 (RN: 20/06093/FULL) for: Erection of two 2 storey infill extensions to the set-back corners at fifth floor level on the Berkeley Street/Mayfair Place elevation and Berkeley Street/Stratton Street elevation, the demolition of the existing mansard roof and its replacement with a single sheer storey (to match the lower floors) on the Mayfair Place elevation and Stratton Street elevation, erection of an additional set back floor at eighth floor level, plus roof top plant room. Associated external alterations, including to existing ground floor entrances, and alterations to the existing plant/ducts. Use of basement (part), ground (part) and 1st to 8th floor as offices (Class E) namely, to allow swapping the male & female shower & change areas; reducing the number of female showers from 11 to 8 - and total showers from 27 to 24; layout changes to location of lockers.

    Decided Amendments Extension Loft or dormer +1
  • 50 Berkeley Street London W1J 8HA

    25/05290/NMA Submitted 29 Jul 2025 50 yards away

    Amendments to planning permission dated 1st December 2021 (RN:20/06093/FULL) for Erection of two 2 storey infill extensions to the set-back corners at fifth floor level on the Berkeley Street/Mayfair Place elevation and Berkeley Street/Stratton Street elevation, the demolition of the existing mansard roof and its replacement with a single sheer storey (to match the lower floors) on the Mayfair Place elevation and Stratton Street elevation, erection of an additional set back floor at eighth floor level, plus roof top plant room. Associated external alterations, including to existing ground floor entrances, and alterations to the existing plant/ducts. Use of basement (part), ground (part) and 1st to 8th floor as offices (Class E). Namely, Alterations to balustrade height, amendments to foam inlets, small roof opening enclosure to north core top roof

    Granted Amendments Extension Loft or dormer +1 19 docs
  • 51 Berkeley Street London W1J 8NL

    26/01614/LBC Submitted 12 Mar 2026 50 yards away

    90% historically approved · decision due ~14 May

    External and internal works including remove existing 3M white reverse cut vinyl texts and replace with suspended statutory signage. Decorations, New flooring to BOH behind self service wall, new secure partitions to fill in void, replace QSP with New Internal ATMs and associated data and power

    Awaiting decision Heritage and listed buildings 11 docs
  • 8 Berkeley Street London W1J 8DN

    05/02888/FULL Submitted 13 Apr 2005 50 yards away

    Alterations to shopfront and entrance.

    Granted Full applications Windows or glazing 6 docs
  • 8 Berkeley Street London W1J 8DN

    05/02889/ADV Submitted 13 Apr 2005 50 yards away

    Display of back lit fascia sign.

    Granted Advertising 7 docs
  • 8 - 9 Berkeley Street London W1J 8DW

    26/01080/ADFULL Submitted 20 Feb 2026 50 yards away

    Detailed drawings and a bio-diversity management plan in relation to the planters and green wall pursuant to condition 10 of planning permission dated 7th January 2025 (RN: 24/07177/FULL)

    Granted Full applications 9 docs