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• 26/04967/ADLBC Withdrawn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. 26 Jan 2026

   Received by Westminster

2. 3 Mar 2026

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 3 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 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

  89% 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

  89% 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

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

  25/07253/ADLBC Submitted 7 Oct 2025 50 yards away

  Details of a plan to show the building's areas of high significance 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 (part) of the listed building consent dated 11 June 2025 (RN:25/01205/LBC).

  Granted Conditions 58 docs

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

  26/01325/ADFULL Submitted 3 Mar 2026 50 yards away

  88% historically approved · decision due ~28 Apr

  Details of the new or adjusted balustrades and railings pursuant to Condition 16 (Part 6) of planning permission dated 11 June 2025 (RN 25/01204/FULL).

  Awaiting decision Full applications 11 docs

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

  26/01326/ADFULL Submitted 3 Mar 2026 50 yards away

  88% historically approved · decision due ~28 Apr

  Details of the mew awnings to Weymouth Street pursuant to Condition 16 (Part 7) of Planning Permission dated 11 June 2025 (RN 25/01204/FULL).

  Awaiting decision Full applications 5 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL 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 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications