Devonshire House Mayfair Place London W1J 8AJ

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

• 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
• 25/05178/ADLBC Granted

  Devonshire House Mayfair Place London W1J 8AJ

  Detailed drawings of the new doors pursuant to Condition 2 of listed building consent dated 13th February 2025 (RN:24/06628/LBC)

  Decided 3 Sep 2025 Conditions
• 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. 16 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. 9 Aug 2026

   Status changed to Decided

   Previously Pending.

• 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

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.

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

• 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

• 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

  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

• Devonshire House Mayfair Place London W1J 8AJ

  25/05178/ADLBC Submitted 21 Jul 2025 50 yards away

  Detailed drawings of the new doors pursuant to Condition 2 of listed building consent dated 13th February 2025 (RN:24/06628/LBC)

  Granted Conditions 9 docs

• 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