66 Royal Institute Of British Architects, Portland Place, W1B 1AD
A planning application
Westminster · Reference 26/04081/FULL
Comment period closed
What is being proposed
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)
Description as published by Westminster.
Timeline
Received
22 Jun 2026 · Submitted to the council
Validated
22 Jun 2026 · Checked and published
Comments close
28 Jul 2026 · Last day to have your say
Decision due
17 Aug 2026 · Target date, often slips
Decided
12 Aug 2026 · Outcome published
Key facts
- Reference
- 26/04081/FULL
- Authority
- Westminster
- Address
- 66 Royal Institute Of British Architects, Portland Place, W1B 1AD
- Postcode
- W1B 1AD
- Type
- Other
- Scale
- Minor
- Applicant
- Not published
- Agent
- Not published
- Received
- 22 Jun 2026
- Decision due
- 17 Aug 2026
Also happening nearby
66 Royal Institute Of British Architects, Portland Place, W1B 1AD
Work to a listed building
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)
66 Royal Institute Of British Architects, Portland Place, W1B 1AD
A planning application
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)