Site At 1 - 15 Portsea Mews London W2 2BN

This site has had 4 applications since 2026: 2 approved, 0 refused.

• 26/03502/CLOPUD Awaiting decision

  Site At 1 - 15 Portsea Mews London W2 2BN

  Confirmation that the proposed works to the Site would be considered lawful under Section 55 of the Town and Country Planning Act if undertaken, and on completion of the proposed works, would lawfully implement the planning permission dated 29 June 2023 referenced 22/06901/FULL under Section 56 of the Town and Country Planning Act.

  Submitted 28 May 2026 Lawful development
• 26/02118/ADFULL Awaiting decision

  Site At 1 - 15 Portsea Mews London W2 2BN

  Details of report on an archaeological evaluation pusuant to discharge of condition 29 of planning permission dated 2nd December 2024 (RN: 24/05595/FULL).

  Submitted 30 Mar 2026 Full applications
• 26/01228/ADFULL Granted

  Site At 1 - 15 Portsea Mews London W2 2BN

  Details of signed appendix A checklist and Construction Management plan pursuant to condition 3 of planning permission dated 2 December 2024 (RN: 24/05595/FULL ).

  Decided 7 May 2026 Full applications

1. 20 Feb 2026

   Received by Westminster

2. 1 Apr 2026

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 1 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• Site At 1 - 15 Portsea Mews London W2 2BN

  26/02118/ADFULL Submitted 30 Mar 2026 50 yards away

  88% historically approved · decision due ~25 May

  Details of report on an archaeological evaluation pusuant to discharge of condition 29 of planning permission dated 2nd December 2024 (RN: 24/05595/FULL).

  Awaiting decision Full applications 4 docs

• Site At 1 - 15 Portsea Mews London W2 2BN

  26/01228/ADFULL Submitted 26 Feb 2026 50 yards away

  Details of signed appendix A checklist and Construction Management plan pursuant to condition 3 of planning permission dated 2 December 2024 (RN: 24/05595/FULL ).

  Granted Full applications 10 docs

• Site At 1 - 15 Portsea Mews London W2 2BN

  26/03502/CLOPUD Submitted 28 May 2026 50 yards away

  84% historically approved · decision due ~23 Jul

  Confirmation that the proposed works to the Site would be considered lawful under Section 55 of the Town and Country Planning Act if undertaken, and on completion of the proposed works, would lawfully implement the planning permission dated 29 June 2023 referenced 22/06901/FULL under Section 56 of the Town and Country Planning Act.

  Awaiting decision Lawful development 7 docs

• 10 Connaught Street London W2 2AH

  11/03979/FULL Submitted 26 Apr 2011 50 yards away

  Demolition of non-original rear kitchen extension and reinstatement of rear lightwell at lower ground floor level, installation of boiler enclosure in rear lightwell, replacement of windows to rear elevation and associated external alterations.

  Granted Full applications Extension Demolition +1 11 docs

• 8 Connaught Street London W2 2AH

  07/06143/FULL Submitted 12 Jul 2007 50 yards away

  Infill below entrance steps, replacement of existing UPVC rear conservatory at first floor level, alterations to existing rear balcony and additional velux to roof.

  Granted Full applications Extension Loft or dormer 13 docs

• 8 Connaught Street London W2 2AH

  07/06148/LBC Submitted 12 Jul 2007 50 yards away

  Infill below entrance steps, replacement of existing UPVC rear conservatory at first floor level, alterations to existing rear balcony, additional velux to roof and internal alterations.

  Granted Heritage and listed buildings Extension Loft or dormer 8 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