79 Chester Square London SW1W 9DU

This site has had 7 applications since 2026.

• 26/05726/ADFULL Decided

  79 Chester Square London SW1W 9DU

  Details of a further noise report to confirm a fixed maximum noise level pursuant to condition 12 (part 3) of planning permission dated 05 January 2023 (RN: 22/05927/FULL).

  Submitted 20 Aug 2026
• 26/04198/LBC Awaiting decision

  79 Chester Square London SW1W 9DU

  Reconfiguration of the approved photovoltaic array, including changing approved array to one with a lower number of higher performing panels and changing the mounting system (Amendment of Listed Building Consent dated 11 January 2023 RN: 22/05928/LBC.) (Linked with 26/04196/NMA)

  Submitted 25 Jun 2026 Heritage and listed buildings
• 26/04196/NMA Decided

  79 Chester Square London SW1W 9DU

  Amendments to planning permission dated 5th January 2023 (RN:22/05927/FULL) for "Excavation of basement storey beneath main house, demolition and rebuilding of mews house at new height plus the addition of a lower ground floor storey, demolition and rebuilding of main roof plus addition of plant equipment, erection of extension for lift from basement to third floor level, demolition and replacement of interconnecting extension between main and mews house, use of roof of interconnecting extension as a roof terrace, increasing height of boundary shared with 78 Chester Square and other external alterations". NAMELY, amendment to allow the reconfiguration of the approved photovoltaic array (inlcuding changing approved array to one with a lower number of higher performing panels) and the consequent amendment to the wording of condition 10.

  Decided 24 Jul 2026 Amendments
• 26/02993/ADFULL Awaiting decision

  79 Chester Square London SW1W 9DU

  Details of new interior, which must be appropriate to the period of the building and their location; pursuant to condition 5 (part iii) of planning permission dated 5th January 2023 (RN 22/05927/FULL)

  Submitted 7 May 2026 Full applications
• 26/02994/ADLBC Awaiting decision

  79 Chester Square London SW1W 9DU

  Details of new interior, which must be appropriate to the period of the building and their location; pursuant to condition 3 (part iii) of Listed Building Consent dated 11th January 2023 (RN 22/05928/LBC)

  Submitted 7 May 2026 Conditions
• 26/02991/ADFULL Awaiting decision

  79 Chester Square London SW1W 9DU

  Details of biodiversity management plan in relation to second floor green roof pursuant to condition 9 (partial) of planning permission dated 13 December 2022 (RN: 22/05927/FULL)

  Submitted 6 May 2026 Full applications

1. 25 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. 21 Sep 2026

   Decision issued

4. 21 Sep 2026

   Status changed to Decided

   Previously Pending.

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.

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• 79 Chester Square London SW1W 9DU

  26/05726/ADFULL Submitted 20 Aug 2026 50 yards away

  89% historically approved · decision due ~15 Oct

  Details of a further noise report to confirm a fixed maximum noise level pursuant to condition 12 (part 3) of planning permission dated 05 January 2023 (RN: 22/05927/FULL).

  Decided

• 79 Chester Square London SW1W 9DU

  26/04198/LBC Submitted 25 Jun 2026 50 yards away

  90% historically approved · decision due ~20 Aug

  Reconfiguration of the approved photovoltaic array, including changing approved array to one with a lower number of higher performing panels and changing the mounting system (Amendment of Listed Building Consent dated 11 January 2023 RN: 22/05928/LBC.) (Linked with 26/04196/NMA)

  Awaiting decision Heritage and listed buildings

• 79 Chester Square London SW1W 9DU

  26/04196/NMA Submitted 25 Jun 2026 50 yards away

  Amendments to planning permission dated 5th January 2023 (RN:22/05927/FULL) for "Excavation of basement storey beneath main house, demolition and rebuilding of mews house at new height plus the addition of a lower ground floor storey, demolition and rebuilding of main roof plus addition of plant equipment, erection of extension for lift from basement to third floor level, demolition and replacement of interconnecting extension between main and mews house, use of roof of interconnecting extension as a roof terrace, increasing height of boundary shared with 78 Chester Square and other external alterations". NAMELY, amendment to allow the reconfiguration of the approved photovoltaic array (inlcuding changing approved array to one with a lower number of higher performing panels) and the consequent amendment to the wording of condition 10.

  Decided Amendments Extension Demolition

• 78 Chester Square London SW1W 9DU

  26/03241/ADLBC Submitted 18 May 2026 50 yards away

  89% historically approved · decision due ~13 Jul

  detailed drawings (sections and elevations at a scale of 1:10 and/or 1:20) of the new windows and doors (to be annotated to correspond to rooms and floor level) and detailed drawings of section drawing (scale of 1:10) through the mansard showing the dormer window and shoulder of the mansard (see informative 3) pursuant to condition 3 (A), 6 of listed building dated 17th May 2024 (RN:24/00173/LBC)

  Awaiting decision Conditions Loft or dormer Windows or glazing 9 docs

• 79 Chester Square London SW1W 9DU

  26/02994/ADLBC Submitted 7 May 2026 50 yards away

  89% historically approved · decision due ~2 Jul

  Details of new interior, which must be appropriate to the period of the building and their location; pursuant to condition 3 (part iii) of Listed Building Consent dated 11th January 2023 (RN 22/05928/LBC)

  Awaiting decision Conditions 4 docs

• 79 Chester Square London SW1W 9DU

  26/02991/ADFULL Submitted 6 May 2026 50 yards away

  88% historically approved · decision due ~1 Jul

  Details of biodiversity management plan in relation to second floor green roof pursuant to condition 9 (partial) of planning permission dated 13 December 2022 (RN: 22/05927/FULL)

  Awaiting decision Full applications 9 docs