Planning Atlas
Planning AtlasWestminsterMarylebone ward25/09158/FULL
Planning application · Westminster

25/09158/FULL.

9 Bentinck Mews London W1U 2AN

Full / Other Planning at 9 Bentinck Mews London W1U 2AN, received 18 Dec 2025 — approved on 6 May 2026 (delegated, Rattan Sehra).

WestminsterMaryleboneW1U 2AN25/09158/FULL
ApprovedRefusedOther
At a glance · this applicationWestminster profile →
Approved
Outcome
6 May 2026
20 wks
Decision time
12 wks over the 8-week target
Conditions
not captured
15
Documents
15 linked
0
Objections
0 in support
No
Appeal
none recorded
Record from the Westminster planning register as captured; documents link to the council's own files. Nearby applications are context, not part of this application.
Application

What is it?

Installation of an external air source heat pump and replacement of an existing (bathroom) window at rear first floor.

Reference
25/09158/FULL
Type
Full Planning Permission Application
Case officer
Postcode
W1U 2AN
Received
18 Dec 2025
Target date
12 Feb 2026
Decision date
6 May 2026
Decision route
Delegated (officer)
Status
Decided
Reference
25/09158/FULL
Type
Full Planning Permission Application
Show all 15 rows
Case officer
Postcode
W1U 2AN
Received
18 Dec 2025
Target date
12 Feb 2026
Decision date
6 May 2026
Decision route
Delegated (officer)
Status
Decided
Documents

What was filed?

Document
Published
View
GRANT OF FULL PP [PE]
6 May 2026
DELEGATED REPORT
6 May 2026
ACK-GENERAL LETTER (G/P/C)
19 Feb 2026
CNSLT-LA SOCIETY
19 Feb 2026
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.
19 Feb 2026
NEIGHBOUR NOTIFICATION LETTER (21D)
19 Feb 2026
RECEIPT OF APPLICATION
12 Feb 2026
APPLICATIONFORMREDACTED
18 Dec 2025
ACOUSTIC REPORT
18 Dec 2025
PLANS AND ELEVATIONS (EXISTING)
18 Dec 2025
GRANT OF FULL PP [PE]
6 May 2026
DELEGATED REPORT
6 May 2026
ACK-GENERAL LETTER (G/P/C)
19 Feb 2026
Show all 10 rows
CNSLT-LA SOCIETY
19 Feb 2026
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.
19 Feb 2026
NEIGHBOUR NOTIFICATION LETTER (21D)
19 Feb 2026
RECEIPT OF APPLICATION
12 Feb 2026
APPLICATIONFORMREDACTED
18 Dec 2025
ACOUSTIC REPORT
18 Dec 2025
PLANS AND ELEVATIONS (EXISTING)
18 Dec 2025

Documents open on the Westminster portal (the portal needs its documents tab opened first — the link handles that). View the application page ↗

Decision

What happened?

Approved on 6 May 2026, delegated decision by Rattan Sehra — 20 weeks from submission (12 over the 8-week target).

Timeline

Date
Event
18 Dec 2025
Application received
12 Feb 2026
Statutory target date
6 May 2026
Delegated decision: Approved · Rattan Sehra
18 Dec 2025
Application received
12 Feb 2026
Statutory target date
6 May 2026
Delegated decision: Approved · Rattan Sehra

Public response

Measure
Count
Objections
0
In support
0
Total comments
0
Objections
0
In support
0
Total comments
0
People

Who is involved?

Name
Role
Applicant — the party who applied, not necessarily the owner
Agent as stated on the application
Case officer — delegated decision
Applicant — the party who applied, not necessarily the owner
Agent as stated on the application
Case officer — delegated decision
Place

What affects it?

Context around the site — not part of this application. Designations over the site: use the map's designations filter (conservation areas, listed buildings, Article 4, flood risk …). Decisions within 250 metres of the site are listed below — context, not this application.

Other applications within 250 metres (context — nearby, not this application)

No other geocoded decision is recorded within 250 metres.