Academy House 26 - 28 Sackville Street London W1S 3EJ Data via plota.co.uk

26/03991/NMA - Non-material amendments Approved

Proposal

Amendments to planning permission dated 28 January 2020 (RN: 19/07298/FULL) for, 'Use of part of the basement, ground floor and first floors to provide a retail unit (Class A1). Internal alterations to the office (Class B1) reception and provision of refuse stores at ground floor. External alterations to form new entrance doors and associated changes to shopfronts, new gate to the access ramp, plant and terrace at first floor and associated works'; NAMELY to amend windows, doors and vent positions, and adjustments to roof terrace layout. Data via plota.co.uk

View original council record ↗

Application progress

Received
17 Jun 2026
Approved
2 Jul 2026

Approved on 2 Jul 2026 · Delegated Decision · Last checked 6 Jul 2026

Important details

Application type
Non-material amendments
Postcode
W1S 3EJ
Received
17 Jun 2026
Validated
17 Jun 2026
Ward
West End
Case officer
Track to view
Target decision
15 Jul 2026
Decision
Application Permitted
Decision date
2 Jul 2026
Decision level
Delegated Decision
Agent
DP9

Consultation & key dates

Alt. reference
PP-14995295
Env. assessment
No
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