10 Wythburn Court Seymour Place London W1H 7NS

This site has had 3 applications since 2004: 1 approved, 0 refused.

• 26/02794/FULL Awaiting decision

  10 Wythburn Court Seymour Place London W1H 7NS

  The replacement of three rooflights with two lead clad dormers with full height windows and juliet balcony.

  Submitted 27 Apr 2026 Full applications
• 04/02286/FULL Granted

  10 Wythburn Court Seymour Place London W1H 7NS

  Erection of roof extension with terrace area (on Seymour Place/ Wythburn Place frontages), to provide additional residential accommodation for Flat 10.

  Decided 22 Jul 2004 Full applications

1. 24 Mar 2004

   Received by Westminster

2. 5 Apr 2004

   Decision issued: Not required

3. 18 Sep 2026

   Added to PlanIndex

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.

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.

• 16 Wythburn Court Seymour Place London W1H 7NS

  05/06318/ADFULL Submitted 8 Aug 2005 50 yards away

  Details of leadwork pursuant to Condition 5 (2) of planning permission dated 5 April 2005 (RN: 05/00562).

  Granted Full applications 2 docs

• 16 Wythburn Court Seymour Place London W1H 7NS

  05/05885/ADFULL Submitted 22 Jul 2005 50 yards away

  Details of balustrade glazing, colour of rooflight glazing bars, details of new gates to separate walkway and terrace pursuant to Condition 5 (1), (3), (4) of planning permission dated 05 April 2005 (RN: 05/00562).

  Granted Full applications Loft or dormer Windows or glazing 3 docs

• 16 Wythburn Court Seymour Place London W1H 7NS

  05/00562/FULL Submitted 25 Jan 2005 50 yards away

  Retention of modifications to scheme allowed on appeal 16 February 2000 for mansard roof extension to form new accommodation and alteration to access and exterior of existing roof top plant rooms: - namely, alterations to windows and rooflights. [Revised Application]

  Granted Full applications Extension Loft or dormer +1 6 docs

• 17 Wythburn Court Seymour Place London W1H 7NS

  05/00558/FULL Submitted 25 Jan 2005 50 yards away

  Retention of modifications to scheme allowed on appeal 16 February 2000 for mansard roof extension to form new accommodation and alteration to access and exterior of existing roof top plant rooms: - namely alterations to windows, rooflights, decking area and safety barrier. [Revised Application]

  Granted Full applications Extension Loft or dormer +1 5 docs

• 9 Wythburn Court Seymour Place London W1H 7NS

  06/07052/ADFULL Submitted 31 Aug 2006 50 yards away

  Detailed construction drawings at 1:10 pursuant to Condition 2 of planning permission dated 24 August 2006 (RN 06/04697).

  Granted Full applications 3 docs

• 9 Wythburn Court Seymour Place London W1H 7NS

  06/06303/FULL Submitted 7 Aug 2006 50 yards away

  Installation of one air conditioning unit within an enclosure on extended roof terrace at fifth floor roof level.

  Granted Full applications 6 docs

• 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