20 Buckingham Street London WC2N 6EF

This site has had 4 applications since 2023: 2 approved, 2 refused.

• 25/06819/LBC Refused

  20 Buckingham Street London WC2N 6EF

  Works associated with change of use of house into flat at lower ground floor level and HMO at ground, first, second and third floor level.

  Decided 14 Nov 2025 Heritage and listed buildings
• 25/06652/FULL Refused

  20 Buckingham Street London WC2N 6EF

  Use as 1-bedroom flat (Class C3) at lower ground floor level and HMO (sui generis) at ground, first, second and third floor level.

  Decided 14 Nov 2025 Full applications
• 23/07595/ADLBC Granted

  20 Buckingham Street London WC2N 6EF

  Detailed drawings of amended interior details of the basement floor; details of a condition survey of the windows to ascertain whether the windows are beyond repair and where windows are deemed beyond repair details of the replacement windows including elevations and sections scaled at 1:10 showing integral glazing bars and traditional joinery profiles pursuant to Condition 6 and 7 of listed building dated 9th June 2023 (RN:22/05350/LBC)

  Decided 27 Nov 2023 Conditions

1. 1 Nov 2023

   Received by Westminster

2. 9 Nov 2023

   Validated

   Checked as complete and ready for consideration.

3. 23 Nov 2023

   Decision issued: Application Permitted

4. 30 Aug 2026

   Added to PlanIndex

Westminster granted permission on 23 November 2023, 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 19 Buckingham Street London WC2N 6EF

  03/04711/AD7 Submitted 16 Jun 2003 50 yards away

  Display for a temporary period of six months of a non-illuminated 'To Let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.

  Granted Advertising 2 docs

• 20 Buckingham Street London WC2N 6EF

  23/07595/ADLBC Submitted 1 Nov 2023 50 yards away

  Detailed drawings of amended interior details of the basement floor; details of a condition survey of the windows to ascertain whether the windows are beyond repair and where windows are deemed beyond repair details of the replacement windows including elevations and sections scaled at 1:10 showing integral glazing bars and traditional joinery profiles pursuant to Condition 6 and 7 of listed building dated 9th June 2023 (RN:22/05350/LBC)

  Granted Conditions Windows or glazing 15 docs

• 20 Buckingham Street London WC2N 6EF

  25/06819/LBC Submitted 23 Sep 2025 50 yards away

  Works associated with change of use of house into flat at lower ground floor level and HMO at ground, first, second and third floor level.

  Refused Heritage and listed buildings 19 docs

• 20 Buckingham Street London WC2N 6EF

  25/06652/FULL Submitted 17 Sep 2025 50 yards away

  Use as 1-bedroom flat (Class C3) at lower ground floor level and HMO (sui generis) at ground, first, second and third floor level.

  Refused Full applications 28 docs

• Flat 5 19 Buckingham Street London WC2N 6EG

  26/06764/LBC Submitted 5 Oct 2026 50 yards away

  90% historically approved · decision due ~30 Nov

  Replacement of an air conditioning unit to lightwell wall at fourth floor level to north west side of building. (Linked with 26/06435/CLOPUD).

  Awaiting decision Heritage and listed buildings

• Flat 5 19 Buckingham Street London WC2N 6EG

  26/06435/CLOPUD Submitted 21 Sep 2026 50 yards away

  84% historically approved · decision due ~16 Nov

  Replacement of an air conditioning unit to lightwell wall at fourth floor level to north west side of building.

  Decided Lawful development

• 26/04860/ADLBC Granted

  New Zealand House 80 Haymarket London SW1Y 4TE

  Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 26/04843/ADLBC Granted

  New Zealand House 80 Haymarket London SW1Y 4TE

  Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 26/04850/ADLBC Awaiting decision

  17 Belgrave Square London SW1X 8PG

  Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 25/07120/ADLBC Granted

  72 - 74 Lancaster Gate London W2 3NH

  Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

  Received 2 Oct, published by the council 21 Jul 2026 Conditions
• 26/04781/ADLBC Awaiting decision

  33A Dean Street London W1D 4PP

  Detailed drawings (1:5 and 1:20) of the Floor build up at all levels, fireplaces, doors, details of the materials (specification sheet) placed onto the flagstones at basement level, detailed methodology is required to show how any historic floorboards would be carefully lifted up and reinstated and a detailed methodology is required to show how the historic panelling will be removed, stores and reinstated pursuant to condition 3, 4, 5, 6 of listed building dated 1st August 2025 (RN:25/01948/LBC)

  Received 16 Jul, published by the council 25 Jul 2026 Conditions