Royal Institute Of British Architects 66 Portland Place London W1B 1AD

This site has had 29 applications since 2025: 5 approved, 0 refused.

• 26/04967/ADLBC Withdrawn

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Details of installation of services and related fixtures pursuant to condition 8 (partial) of listed building consent dated 10 June 2025 (RN: 25/01205/LBC)

  Submitted 24 Jul 2026
• 26/04081/FULL Awaiting decision

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof construction at third floor roof level; replacement of three existing rooflights with new thermally improved rooflights at fifth floor roof level; and associated repair, waterproofing and roof works at 66 Portland Place. (Linked with 26/04082/LBC)

  Submitted 22 Jun 2026 Full applications
• 26/04082/LBC Awaiting decision

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof construction at third floor roof level; replacement of three existing rooflights with new thermally improved rooflights at fifth floor roof level; and associated repair, waterproofing and roof works at 66 Portland Place. (Linked with 26/04081/FULL)

  Submitted 22 Jun 2026 Heritage and listed buildings
• 26/03809/ADLBC Decided

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Details of the new lightning protection pursuant to Condition 7 (part 8) (part) of listed building consent dated 11th June 2025 (RN:25/01205/LBC).

  Submitted 10 Jun 2026
• 26/02669/ADFULL Awaiting decision

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Details of safe maintenance access systems pursuant to condition 16 (partial) of planning permission dated 10 June 2025 (RN: 25/01204/FULL).

  Submitted 22 Apr 2026 Full applications
• 26/02621/ADLBC Awaiting decision

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Details of safe maintenance access systems pursuant to the partial discharge of condition 7 (Part 8) of listed building consent dated 11th June 2025 (RN: 25/01205/LBC).

  Submitted 21 Apr 2026 Conditions
• 26/02506/ADLBC Awaiting decision

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Detailed drawings of the new or adjusted ceilings pursuant to condition 7 (15) of listed building dated 11th June 2025 (RN:25/01205/LBC)

  Submitted 16 Apr 2026 Conditions
• 26/02376/ADLBC Awaiting decision

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Detailed drawings of the proposed works to the new and adjusted ceilings in the highly significant spaces pursuant to the partial discharge of condition 8 of listed building consent dated 11th June 2025 (RN: 25/01205/LBC).

  Submitted 10 Apr 2026 Conditions
• 26/02297/ADFULL Awaiting decision

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Details of refuse and recycling storage pursuant to condition 11 of planning permission dated 10 June 2025 (RN: 25/01204/FULL)

  Submitted 7 Apr 2026 Full applications
• 26/02280/ADLBC Awaiting decision

  Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  Detailed drawings to show the buildings areas of high significance and details of the position, type, and method of installation of services and related fixtures. Pursuant to partially discharge elements of condition 8 of Listed Building Consent dated 11 June 2025 (RN 25/01205/LBC)

  Submitted 7 Apr 2026 Conditions

1. 4 Aug 2025

   Received by Westminster

2. 22 Aug 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 22 August 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.

• Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  26/03809/ADLBC Submitted 10 Jun 2026 50 yards away

  89% historically approved · decision due ~5 Aug

  Details of the new lightning protection pursuant to Condition 7 (part 8) (part) of listed building consent dated 11th June 2025 (RN:25/01205/LBC).

  Decided

• Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  26/04082/LBC Submitted 22 Jun 2026 50 yards away

  90% historically approved · decision due ~17 Aug

  Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof construction at third floor roof level; replacement of three existing rooflights with new thermally improved rooflights at fifth floor roof level; and associated repair, waterproofing and roof works at 66 Portland Place. (Linked with 26/04081/FULL)

  Awaiting decision Heritage and listed buildings Loft or dormer Windows or glazing

• Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  26/04967/ADLBC Submitted 24 Jul 2026 50 yards away

  89% historically approved · decision due ~18 Sep

  Details of installation of services and related fixtures pursuant to condition 8 (partial) of listed building consent dated 10 June 2025 (RN: 25/01205/LBC)

  Withdrawn

• Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  25/07571/ADLBC Submitted 20 Oct 2025 50 yards away

  Details of new external fire escape, new pavement lights and supporting structure in the Weymouth Street lightwell, new or adjusted balustrades and railings, new guardrail and glass balustrade, new bronze grilles in the Florence Hall floor, alterations to the stage in the Jarvis Hall pursuant to Conditions 7 (Parts 4, 5, 6, 11, 12 and 13) of listed building consent dated 11 June 2025 (RN: 25/01205/LBC)

  Granted Conditions 7 docs

• Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  26/02506/ADLBC Submitted 16 Apr 2026 50 yards away

  90% historically approved · decision due ~11 Jun

  Detailed drawings of the new or adjusted ceilings pursuant to condition 7 (15) of listed building dated 11th June 2025 (RN:25/01205/LBC)

  Awaiting decision Conditions 11 docs

• Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  26/01923/ADLBC Submitted 24 Mar 2026 50 yards away

  90% historically approved · decision due ~3 Jun

  Detailed drawings of the a plan to show the building's areas of high significance and details of the position, type, and method of installation of services and related fixtures, including any fire safety works, in areas designated as "high significance", with particular regard to the Jarvis and Florence Hall, Main Foyer and Central Staircase pursuant to condition 8 of planning permission dated 11th June 2025 (RN:25/01205/LBC)

  Awaiting decision Conditions 29 docs

• 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
• 26/05026/ADLBC Awaiting decision

  St James's Park The Mall London SW1A 1AA

  Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)

  Received 27 Jul, published by the council 4 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