11 Seymour Mews London W1H 6BE

This site has had 4 applications since 2005: 2 approved, 0 refused.

• 06/00798/FULL Granted

  11 Seymour Mews London W1H 6BE

  i) External alterations in connection with use of No. 11 as a 2x bedroom house.ii) Demolition behind retained facade of Nos. 15 and 16 to be used for office purposes. (Part of a use swap with 18 and 20 Seymour Place)

  Decided 16 Nov 2006 Full applications
• 05/09325/CAC Withdrawn

  11 Seymour Mews London W1H 6BE

  Demolition of internal partitions, internal staircases in No. 11 and internal party wall of Nos. 15 and 16. Removal of internal fabric to create large open plan area for Nos. 15-16. Refurbishment of roof structure to Nos. 15 and 16.

  Decided 9 Jan 2006 Heritage and listed buildings
• 05/08944/FULL Withdrawn

  11 Seymour Mews London W1H 6BE

  External alterations to 11, 15 and 16 Seymour Mews to provide residential (1x2 bed maisonette) and office (Class B1) accommodation.

  Decided 9 Jan 2006 Full applications

1. 2 Feb 2006

   Received by Westminster

2. 3 Mar 2006

   Validated

   Checked as complete and ready for consideration.

3. 16 Nov 2006

   Decision issued: Application Permitted

4. 29 Jul 2026

   Added to PlanIndex

Westminster granted permission on 16 November 2006, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 11 Seymour Mews London W1H 6BE

  06/00798/FULL Submitted 2 Feb 2006 50 yards away

  i) External alterations in connection with use of No. 11 as a 2x bedroom house.ii) Demolition behind retained facade of Nos. 15 and 16 to be used for office purposes. (Part of a use swap with 18 and 20 Seymour Place)

  Granted Full applications Demolition 17 docs

• 6 Seymour Mews London W1H 6BE

  25/04662/ADFULL Submitted 7 Jul 2025 50 yards away

  Details of Code of Construction Practice pursuant to Condition 3 of planning permission dated 05 September 2024 (RN24/02777/FULL)

  Granted Full applications 9 docs

• 11 Seymour Mews London W1H 6BE

  05/09325/CAC Submitted 15 Nov 2005 50 yards away

  Demolition of internal partitions, internal staircases in No. 11 and internal party wall of Nos. 15 and 16. Removal of internal fabric to create large open plan area for Nos. 15-16. Refurbishment of roof structure to Nos. 15 and 16.

  Withdrawn Heritage and listed buildings Demolition 4 docs

• 11 Seymour Mews London W1H 6BE

  05/08944/FULL Submitted 2 Nov 2005 50 yards away

  External alterations to 11, 15 and 16 Seymour Mews to provide residential (1x2 bed maisonette) and office (Class B1) accommodation.

  Withdrawn Full applications 15 docs

• 9 Seymour Mews London W1H 6BE

  25/05476/FULL Submitted 5 Aug 2025 50 yards away

  Replacement of existing single glazed timber windows with new double glazed windows.

  Granted Full applications Windows or glazing 8 docs

• 6 Seymour Mews London W1H 6BE

  25/09319/NMA Submitted 23 Dec 2025 50 yards away

  Amendments to planning permission dated 5th September 2024 (RN: 24/02777/FULL) for External alterations, extension at ground floor, excavation to provide new basement, and the installation of an air source heat pump; all to enlarge and alter dwellinghouse (Class C3) namely; to alter the colours of the front ground floor facade elements (the main entrance door, garage door, windows, and rendered lintel).

  Granted Amendments Extension Windows or glazing 9 docs
  Domestic

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Removal of non structural partitions, replacement of non original doors with full height concealed doors.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Waterproofing the basement level.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings
• 26/06288/LBC Awaiting decision

  Barness Court 6 - 8 Westbourne Terrace London W2 3UW

  Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06287/FULL)

  Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings