25 - 27 St George Street London W1S 1FS

This site has had 12 applications since 2025: 7 approved, 0 refused.

• 26/05866/FULL Decided

  25 - 27 St George Street London W1S 1FS

  Installation of screened plant enclosure and revised roof equipment layout including associated works.

  Decided 15 Oct 2026 Full applications
• 26/03413/NMA Decided

  25 - 27 St George Street London W1S 1FS

  Amendments to planning permission dated 11 August 2025 (RN: 25/01410/FULL) for alterations to the elevations on St. George St and Masons Arms Mews; removal of the car lift to the basement parking from Masons Arms Mews; extensions at fourth, fifth, sixth and seventh floor levels for use as office accommodation (Class E) with new terraces at fourth, fifth, sixth and seventh floor levels. Installation of PV panels and green roof at main roof level; planting on the terraces; new external stair in the lightwell on the southern side of the building; creation of a new lightwell on the St George Street side of the building including railings; new cycle parking facilities and associated works; NAMELY alterations to the location of the revolving door on St. George Street; provision of two areas for planters on the front St George Street elevation; amending the location of lighting fixtures to entrance; addition of address signage at ground floor level main entrance; amending level 06 and level 07 window sizes on both St George Street and Masons Arms Mews; and amending the wording of Condition 5 to allow the doors on St George Street to open outwards onto pavement for fire safety purposes.

  Submitted 22 May 2026 Amendments
• 26/00963/ADFULL Awaiting decision

  25 - 27 St George Street London W1S 1FS

  Details of supplementary acoustic report pursuant to Condition 9 of planning permission dated 11/08/2025 (RN: 25/01410/FULL)

  Submitted 16 Feb 2026 Full applications
• 26/00885/NMA Awaiting decision

  25 - 27 St George Street London W1S 1FS

  Amendments to planning permission dated 11 August 2025 (RN: 25/01410/FULL) for Alterations to the elevations on St. George St and Masons Arms Mews; removal of the car lift to the basement parking from Masons Arms Mews; extensions at fourth, fifth, sixth and seventh floor levels for use as office accommodation (Class E) with new terraces at fourth, fifth, sixth and seventh floor levels. Installation of PV panels and green roof at main roof level; planting on the terraces; new external stair in the lightwell on the southern side of the building; creation of a new lightwell on the St. George Street side of the building including railings; new cycle parking facilities and associated works. NAMELY, to amend the approved position of the balustrade of the approved roof terrace at seventh floor level to increase terrace area

  Submitted 12 Feb 2026 Amendments
• 25/09139/ADFULL Granted

  25 - 27 St George Street London W1S 1FS

  Details of samples of facing materials pursuant to Condition 17 of planning permission dated 11 August 2025 (RN: 25/01410/FULL)

  Decided 9 Mar 2026 Full applications
• 25/08990/ADFULL Granted

  25 - 27 St George Street London W1S 1FS

  Details of balustrade to the lightwell and to the seventh-floor terrace pursuant to conditon 15 (a & b) of planning permission dated 11 August 2025 (RN: 25/01410/FULL)

  Decided 5 Mar 2026 Full applications
• 25/08147/ADFULL Granted

  25 - 27 St George Street London W1S 1FS

  Detailed drawings of all new windows and doors pursuant to Condition 15 (C) of planning permission dated 11th August 2025 (RN: 25/01410/FULL)

  Decided 30 Mar 2026 Full applications
• 25/07446/NMA Granted

  25 - 27 St George Street London W1S 1FS

  Amendments to planning permission dated 11th August 2025 (RN 25/01410/FULL) for the Alterations to the elevations on St. George St and Masons Arms Mews; removal of the car lift to the basement parking from Masons Arms Mews; extensions at fourth, fifth, sixth and seventh floor levels for use as office accommodation (Class E) with new terraces at fourth, fifth, sixth and seventh floor levels. Installation of PV panels and green roof at main roof level; planting on the terraces; new external stair in the lightwell on the southern side of the building; creation of a new lightwell on the St. George Street side of the building including railings; new cycle parking facilities and associated works. NAMELY, to increase the roof height by 300mm; bring the building line forward by 993mm at seventh floor level; and insertion of additional louvres at the rear of the building at sixth floor level.

  Decided 21 Jan 2026 Amendments
• 25/06488/ADFULL Granted

  25 - 27 St George Street London W1S 1FS

  Details of Code of Construction Practice Appendix A checklist pursuant to Condition 18 of planning permission dated 11th August 2025 (RN:25/01410/FULL)

  Decided 18 Nov 2025 Full applications
• 25/06207/ADFULL Granted

  25 - 27 St George Street London W1S 1FS

  Details of a scheme of public art pursuant to condition 14 of planning permission dated 11th August 2025 (RN: 25/01410/FULL)

  Decided 12 Sep 2025 Full applications

1. 18 Mar 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 91 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 25 - 27 St George Street London W1S 1FS

  25/06207/ADFULL Submitted 1 Sep 2025 50 yards away

  Details of a scheme of public art pursuant to condition 14 of planning permission dated 11th August 2025 (RN: 25/01410/FULL)

  Granted Full applications 11 docs

• 25 - 27 St George Street London W1S 1FS

  26/00885/NMA Submitted 12 Feb 2026 50 yards away

  93% historically approved · decision due ~9 Apr

  Amendments to planning permission dated 11 August 2025 (RN: 25/01410/FULL) for Alterations to the elevations on St. George St and Masons Arms Mews; removal of the car lift to the basement parking from Masons Arms Mews; extensions at fourth, fifth, sixth and seventh floor levels for use as office accommodation (Class E) with new terraces at fourth, fifth, sixth and seventh floor levels. Installation of PV panels and green roof at main roof level; planting on the terraces; new external stair in the lightwell on the southern side of the building; creation of a new lightwell on the St. George Street side of the building including railings; new cycle parking facilities and associated works. NAMELY, to amend the approved position of the balustrade of the approved roof terrace at seventh floor level to increase terrace area

  Awaiting decision Amendments Extension 23 docs

• 25 - 27 St George Street London W1S 1FS

  25/08147/ADFULL Submitted 7 Nov 2025 50 yards away

  Detailed drawings of all new windows and doors pursuant to Condition 15 (C) of planning permission dated 11th August 2025 (RN: 25/01410/FULL)

  Granted Full applications Windows or glazing 21 docs

• 25 - 27 St George Street London W1S 1FS

  25/08990/ADFULL Submitted 11 Dec 2025 50 yards away

  Details of balustrade to the lightwell and to the seventh-floor terrace pursuant to conditon 15 (a & b) of planning permission dated 11 August 2025 (RN: 25/01410/FULL)

  Granted Full applications 4 docs

• 25 - 27 St George Street London W1S 1FS

  26/05866/FULL Submitted 26 Aug 2026 50 yards away

  Installation of screened plant enclosure and revised roof equipment layout including associated works.

  Decided Full applications

• 25 St George Street London W1S 1FS

  06/04944/FULL Submitted 23 Jun 2006 50 yards away

  Landscaping scheme to rear flat roof areas at fourth and fifth floor level.

  Decided Full applications 7 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications