97 Mount Street London W1K 2TD Data via plota.co.uk

26/04021/NMA - Non-material amendments Approved

Proposal

Amendments to planning permission dated 14th October 2024 (RN ) for, "Installation of a new box rooflight (to provide access), creation of a terrace with glass balustrade and replacement of plant with new enclosure all at main roof level"; (Site includes 97 and 99 Mount Street) NAMELY, installation of railings with integrated gate at roof level to prevent access along the parapet party wall. Data via plota.co.uk

View original council record ↗

Application progress

Received
18 Jun 2026
Approved
28 Jul 2026

Approved on 28 Jul 2026 · Delegated Decision · Last checked 29 Jul 2026

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Important details

Application type
Non-material amendments
Postcode
W1K 2TD
Received
18 Jun 2026
Validated
18 Jun 2026
Ward
West End
Case officer
Show
Target decision
16 Jul 2026
Decision
Application Permitted
Decision date
28 Jul 2026
Decision level
Delegated Decision
Agent
Turley

Consultation & key dates

Alt. reference
PP-15018427
Env. assessment
No
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Householder decisions

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.

One of the strictest councils
only 81% 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, the year to March 2026
86%
Overall approval rate
Below avg (87%) #201 of 296
81%
Householder approved
Below avg (90%) #277 of 296
44%
Decided in 8 weeks
Below avg (63%) #258 of 296
28%
Extended time limit
Below avg (41%) #46 of 296
83%
Minor dwellings approved
12 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
81%
Change of use approved
133 decided
4,602
Total decisions
648 refused in the year to March 2026