Devonshire House Mayfair Place London W1J 8AJ

This site has had 6 applications since 2023: 4 approved, 0 refused.

• 26/03963/ADLBC Decided

  Devonshire House Mayfair Place London W1J 8AJ

  Details of facing materials pursuant to condition 3 of listed building consent dated 19 May 2026 (RN: 25/08851/LBC).

  Submitted 16 Jun 2026
• 25/08851/LBC Awaiting decision

  Devonshire House Mayfair Place London W1J 8AJ

  Replacement of existing terrace paving, strip lighting and exit signage as well as alterations to the balustrade fitting system and introduction of two access control bollards.

  Submitted 5 Dec 2025 Heritage and listed buildings
• 25/05061/ADFULL Granted

  Devonshire House Mayfair Place London W1J 8AJ

  Detailed drawings of the new doors pursuant to condition 6 of planning permission dated 13th February 2025 (RN:24/06627/FULL)

  Decided 3 Sep 2025 Full applications
• 23/03662/FULL Granted

  Devonshire House Mayfair Place London W1J 8AJ

  Works to the tenth floor terrace to include installation of new timber furniture shed, decking, lighting, planting and new access doors. Internal alterations at ninth and tenth floor levels. (Linked with 23/03663/LBC)

  Decided 18 Jul 2023 Full applications
• 23/03663/LBC Granted

  Devonshire House Mayfair Place London W1J 8AJ

  Works to the tenth floor terrace to include installation of new timber furniture shed, decking, lighting, planting and new access doors. Internal alterations at ninth and tenth floor levels. (Linked with 23/03662/FULL)

  Decided 18 Jul 2023 Heritage and listed buildings

1. 21 Jul 2025

   Received by Westminster

2. 3 Sep 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 3 September 2025, 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.

• Devonshire House Mayfair Place London W1J 8AJ

  25/05061/ADFULL Submitted 21 Jul 2025 50 yards away

  Detailed drawings of the new doors pursuant to condition 6 of planning permission dated 13th February 2025 (RN:24/06627/FULL)

  Granted Full applications 9 docs

• Second Floor (Excluding North East Part) Devonshire House Mayfair Place London W1J 8AJ

  26/05130/LBC Submitted 30 Jul 2026 50 yards away

  90% historically approved · decision due ~15 Oct

  Installation of two air conditioning condenser units to the second floor lightwell, two internal air conditioning units, and associated pipework. (Linked with 26/05129/FULL)

  Decided Heritage and listed buildings 7 docs

• Devonshire House Mayfair Place London W1J 8AJ

  26/03963/ADLBC Submitted 16 Jun 2026 50 yards away

  89% historically approved · decision due ~11 Aug

  Details of facing materials pursuant to condition 3 of listed building consent dated 19 May 2026 (RN: 25/08851/LBC).

  Decided

• Second Floor (Excluding North East Part) Devonshire House Mayfair Place London W1J 8AJ

  26/05129/FULL Submitted 30 Jul 2026 50 yards away

  88% historically approved · decision due ~15 Oct

  Installation of two air conditioning condenser units to the second floor lightwell, two internal air conditioning units, and associated pipework. (Linked with 26/05130/LBC)

  Decided Full applications

• Devonshire House Mayfair Place London W1J 8AJ

  23/03662/FULL Submitted 1 Jun 2023 50 yards away

  Works to the tenth floor terrace to include installation of new timber furniture shed, decking, lighting, planting and new access doors. Internal alterations at ninth and tenth floor levels. (Linked with 23/03663/LBC)

  Granted Full applications 29 docs
  Small domestic

• Devonshire House Mayfair Place London W1J 8AJ

  23/03663/LBC Submitted 1 Jun 2023 50 yards away

  Works to the tenth floor terrace to include installation of new timber furniture shed, decking, lighting, planting and new access doors. Internal alterations at ninth and tenth floor levels. (Linked with 23/03662/FULL)

  Granted Heritage and listed buildings 23 docs
  Small domestic

• 26/02704/ADLBC Decided

  New Zealand House 80 Haymarket London SW1Y 4TE

  Details of new visible security fixtures in the Royal Opera Arcade pursuant to condition 7(f) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC). Linked to 26/02618/ADFULL

  Received 21 Apr, published by the council 21 Jul 2026 Conditions
• 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