First Floor Flat 34 Seymour Street London W1H 7JE

1. 4 Feb 2026

   Received by Westminster

2. 16 Mar 2026

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 16 March 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.

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.

• 34 Seymour Street London W1H 7JE

  20/04235/AD7 Submitted 7 Jul 2020 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at street level and measuring 0.9m x 0.6m.

  Granted Advertising 7 docs

• 34 Seymour Street London W1H 7JE

  20/00212/AD7 Submitted 14 Jan 2020 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at street level and measuring 0.9m x 0.6m.

  Granted Advertising 6 docs

• 34 Seymour Street London W1H 7JE

  19/05347/AD7 Submitted 9 Jul 2019 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at street level and measuring 0.9m x 0.6m.

  Granted Advertising 8 docs

• 34 Seymour Street London W1H 7JE

  11/08633/ADLBC Submitted 9 Sep 2011 50 yards away

  Approval of details pursuant to Condition 3 of planning permission dated 20 June 2011 (RN:11/05262) namely details of the proposed chimney pieces.

  Granted Conditions 5 docs

• 34 Seymour Street London W1H 7JE

  08/06226/AD7 Submitted 17 Jul 2008 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at street level and measuring 0.45m x 0.6m.

  Granted Advertising 3 docs

• 26 Seymour Street London W1H 7JA

  26/05605/LBC Submitted 17 Aug 2026 50 yards away

  90% historically approved · decision due ~12 Oct

  Removal of existing fixed door and reinstatement of new fire rated timber door.

  Decided Heritage and listed buildings

• 26/07529/LBC Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new water supply works at the rear courtyard. (Linke with 26/07528/FULL)

  Received 5 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
• 26/07509/LBC 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 26/07508/FULL)

  Received 4 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
• 26/07473/LBC Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07472/FULL)

  Received 3 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
• 26/07471/LBC Awaiting decision

  12 Queen Anne's Gate London SW1H 9AA

  Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)

  Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
• 26/07461/LBC Awaiting decision

  1 Savile Row London W1S 3JR

  Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.

  Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings