Royal Institute Of British Architects 66 Portland Place London W1B 1AD Data via plota.co.uk
Proposal
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) Data via plota.co.uk
Application progress
Approved on 12 Aug 2026 · Delegated Decision · Last checked 12 Aug 2026
Documents 24
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 12
Application forms 1
Consultation & comments 4
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Important details
- Council
- Westminster
- Application type
- Listed Building Consent Application
- Postcode
- W1B 1AD
- Received
- 22 Jun 2026
- Validated
- 22 Jun 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 17 Aug 2026
- Decision
- Application Permitted
- Decision date
- 12 Aug 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Newmark
Public comments
No public comments yet.
Last counted 12 Aug 2026
Consultation & key dates
- Alt. reference
- PP-15022336
- Site notice
- 30 Jun 2026
- Press notice
- 8 Jul 2026
- Env. assessment
- No
Historical activity at this location
35 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
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Royal Institute Of British Architects 66 Portland Place London W1B 1AD
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