Planning Application
26/00330/FULL
15 - 16 Montagu Mews South London W1H 7ET
Full / Other PlanningMarylebone ward
Submission
20 Jan 2026
Target
17 Mar 2026
Decision
7 May 2026
Outcome
Approved
Delegated decisionApproved
7 May 2026Decided by Priscilla Ogie under delegated powers
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Scheme description
Conversion of the existing ground-floor garage into habitable residential accommodation, replacement of existing windows and doors with double glazing, replacement of existing garage doors with new windows and installation of new rooflights.
Parties
Timeline
20 Jan 2026
Application submitted
7 May 2026
Delegated decision: Approved
Supporting documents · 25
GRANT OF FULL PP [PE]7 May 2026View ↗
DELEGATED REPORT7 May 2026View ↗
ACK-GENERAL LETTER (G/P/C)27 Mar 2026View ↗
CNSLT-LA SOCIETY27 Mar 2026View ↗
ECNSLT-INTERNAL CONSULTS27 Mar 2026View ↗
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.27 Mar 2026View ↗
NEIGHBOUR NOTIFICATION LETTER (21D)27 Mar 2026View ↗
APPLICATIONFORMREDACTED20 Jan 2026View ↗
LOCATION PLAN20 Jan 2026View ↗
GROUND FLOOR PLAN AS EXISTING20 Jan 2026View ↗
FIRST FLOOR PLAN AS EXISTING20 Jan 2026View ↗
ROOF PLAN AS EXISTING20 Jan 2026View ↗
REAR ELEVATION AS EXISTING20 Jan 2026View ↗
SOUTH WEST & NORTH EAST ELEVATION AS EXISTING20 Jan 2026View ↗
SECTION AS EXISTING20 Jan 2026View ↗
GROUND FLOOR PLAN AS PROPOSED20 Jan 2026View ↗
FIRST FLOOR PLAN AS PROPOSED20 Jan 2026View ↗
ROOF FLOOR PLAN AS PROPOSED20 Jan 2026View ↗
REAR ELEVATION AS PROPOSED20 Jan 2026View ↗
SOUTH WEST & NORTH EAST ELEVATION AS PROPOSED20 Jan 2026View ↗
SECTION AS PROPOSED20 Jan 2026View ↗
WINDOW DETAILS AS PROPOSED20 Jan 2026View ↗
FRONT ELEVATION AS EXISTING20 Jan 2026View ↗
FRONT ELEVATION AS PROPOSED20 Jan 2026View ↗
DESIGN AND ACCESS STATEMENT20 Jan 2026View ↗
View Application Page ↗
Data from the Westminster planning register.
Summary
Reference
26/00330/FULL
Ward
Type
Full Planning Permission Application
Applicant
Alexandre de Betak
Submitted
20 Jan 2026
Decision date
7 May 2026
Officer
Council
Decision
Approved
Decision route
Delegated (officer)
How long, really
15
wks · this application
Submission → decision · 7 wks over the 8-week target
Public response
Objections
0
In support
0
Total comments
0