Royal Institute Of British Architects 66 Portland Place London W1B 1AD Data via plota.co.uk
26/02376/ADLBC - Approval of Details (ADLBC)
Approved
Proposal
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). Data via plota.co.uk
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Application progress
✓
Received
10 Apr 2026
✓
Approved
1 May 2026
Approved on 1 May 2026 · Delegated Decision · Last checked 7 Jul 2026
Documents 12
Decision & officer reports 3
Plans & drawings 6
PDF
RECEPTION CEILING DETAILS
Drawing · 10 Apr 2026
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PDF
GALLERY 1 CEILING DETAILS
Drawing · 10 Apr 2026
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PDF
FLORENCE HALL CEILING DETAILS
Drawing · 10 Apr 2026
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PDF
GALLERY 2 CEILING DETAILS
Drawing · 10 Apr 2026
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PDF
JARVIS HALL CEILING DETAILS
Drawing · 10 Apr 2026
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PDF
JARVIS FOYER CEILING DETAILS
Drawing · 10 Apr 2026
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Application forms 1
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Important details
- Council
- Westminster
- Application type
- Approval of Details (ADLBC)
- Postcode
- W1B 1AD
- Received
- 10 Apr 2026
- Validated
- 10 Apr 2026
- Ward
- West End
- Case officer
- Track to view
- Target decision
- 5 Jun 2026
- Decision
- Application Permitted
- Decision date
- 1 May 2026
- Decision level
- Delegated Decision
- Applicant
- Track to view
- Agent
- Newmark
Consultation & key dates
- Alt. reference
- PP-14849037
- Env. assessment
- No
Historical activity at this location
35 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2025
Details of new external fire escape, new pavement lights and supporting structure in the…
2025
Details of new external external fire escape stairs, new pavement lights and supporting s…
2025
Approved
Details of Fire Safety Works in part pursuant to condition 8 of listed building consent d…
2025
Approved
Details of new windows including new fire-fighting core windows or adjusted ceilings and…
2025
Internal and external alterations including internal layout alterations, refurbishment an…
2025
Internal and external alterations including internal layout alterations, refurbishment an…
2024
Approved
Provision of internal fire upgrade works
2024
Installation of 6No. antennas, 2no. 300mm dishes, 3no. cabinets and ancillary works there…
2024
Installation of 6No. antennas, 2no. 300mm dishes, 3no. cabinets and ancillary works there…
2024
Investigative opening-up works at all floor levels
Within ~100m
Nearby activity
2025
52 Portland Place London W1B 1NH
Demolition, refurbishment, restoration and alterations to 52 Portland Place as well as re…
2025
52 Portland Place London W1B 1NH
Demolition, refurbishment, restoration and alterations to 52 Portland Place as well as re…
2025
Approved
50 Hallam Street London W1W 6JJ
Extension of party wall and replacement of single chimney of front chimney stack of 50 Ha…
2025
167 - 169 Great Portland Street London W1W 5PA
External works comprising alterations to ground floor entrance and shopfront including in…
2025
Hallam Street London
Display of one non illuminated fascia sign measuring 0.375m x 1.015m located beneath Cave…
2025
Refused
167 - 169 Great Portland Street London W1W 5PA
External works comprising alterations to ground floor entrance and shopfront including in…
2025
Withdrawn
Hallam House 56 - 60 Hallam Street London W1W 6JL
Demolition of existing roof plant room and erection of a single floor roof extension abov…
2025
Hallam House 56 - 60 Hallam Street London W1W 6JL
Demolition of existing roof plant room and erection of a single floor roof extension abov…
2025
Hampden House 2 Weymouth Street London W1W 5BT
Variation of Condition 1 and 12 of planning permission dated 11 October 2023 (RN:23/02110…
2025
48 Portland Place London W1B 1NN
Pitched and flat roof repairs, external render repairs and redecoration, timber window re…
2024
Hallam House 56 - 60 Hallam Street London W1W 6JL
Installation of replacement access door to ground floor front elevation at south west cor…
2024
Tennyson House 159 - 165 Great Portland Street London W1W 5PA
Alterations to ground floor entrance; installation of plant equipment at roof level; and…
2024
167 - 169 Great Portland Street London W1W 5PA
External works comprising alterations to ground floor entrance; installation of plant equ…
2024
Devon House 171 - 177 Great Portland Street London W1W 5PQ
Alterations to existing facade comprising reconfiguration of existing entrances and shopf…
2024
Approved
Basement Premises Hallam Court 77 Hallam Street London W1W 5HB
Use of the lower ground floor as a self-contained studio flat at Hallam Court (Class C3)
2024
Second Floor Flat 48 Portland Place London W1B 1NG
General internal alterations with hallway cupboard changed into a WC, main bathroom chang…
2024
Approved
76-78 Portland Place London W1B 1NT
Change of use of lower ground to 7th floor as Class E (g) (i) office use and/or Class (E)…
2024
Approved
Stone House 9 Weymouth Street London W1W 6DB
Use of the lower ground floor (part) and ground floor (part) as 3 flats (Class C3) along…
2024
Flat A 5 Hallam Mews London W1W 6AR
This application is for permission to fell a dead silver birch tree to the rear of the fl…
2022
Refused
Telephone Kiosk Opposite Great Portland Street Station Great Portland Street London
Installation of one new BT Street Hub, incorporating two digital 75" LCD advert screens…
2017
Approved
Basement And Ground Floor Flat 74 Portland Place London W1B 1NR
Erection of part single and part two storey rear extension at basement and ground floor l…
2017
Withdrawn
82 Portland Place London W1B 1NS
Enlargement of two flats at 7th floor into the 8th floor roof space to create duplex unit…
2017
Approved
Suite B And C Ground Floor Stone House 9 Weymouth Street London W1W 6DB
Use of ground floor as a three bedroom flat (Class C3). Land use swap with lower ground f…
2017
Approved
159 Great Portland Street London W1W 5PA
Use of the public highway on Weymouth Street for the placing of 4 no. tables, 8 no, chair…
2017
Approved
159 Great Portland Street London W1W 5PA
Use of the public highway on Weymouth Street for the placing of 4 no. tables, 8 no, chair…
Westminster
Planning Authority Score
3.7/10
Below average
#209 of 292 councils
Relevant to this application:
Householder decisions
Westminster is slower than most councils at deciding householder applications, ranking #227 out of 292. Only 27% of applications have the time limit extended, well below the 40% 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 79% approved vs 90% nationally.
One of the strictest councils
only 79% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application.
View full council performance
Westminster decision performance
Based on MHCLG data, 2025
86%
Overall approval rate
Below avg (87%) #200 of 292
79%
Householder approved
Below avg (90%) #279 of 292
53%
Decided in 8 weeks
Below avg (64%) #227 of 292
27%
Extended time limit
Below avg (40%) #43 of 292
86%
Minor dwellings approved
14 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
86%
Change of use approved
140 decided
4,828
Total decisions
669 refused in 2025
Track this application
Royal Institute Of British Architects 66 Portland Place London W1B 1AD