18 Seymour Street London W1H 7HU Data via plota.co.uk

26/01486/LBC - Listed Building Consent Application Approved

Proposal

Replacement of the structurally failing front basement lightwell wall, with repair and reinstatement of railings and plinth stones; the introduction of a concealed structural backing wall (Stepoc blocks reinforced with concrete) and a lime-bedded reclaimed brick-facing wall. Data via plota.co.uk

View original council record ↗

Application progress

Received
9 Mar 2026
Approved
1 Apr 2026

Approved on 1 Apr 2026 · Delegated Decision · Last checked 28 Jul 2026

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Important details

Application type
Listed Building Consent Application
Postcode
W1H 7HU
Received
9 Mar 2026
Validated
9 Mar 2026
Ward
Marylebone
Case officer
Show
Target decision
4 May 2026
Decision
Application Permitted
Decision date
1 Apr 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Latitude Architects

Consultation & key dates

Alt. reference
PP-14744370
Env. assessment
No
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Other 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