Planning Atlas
Planning AtlasWestminsterPimlico North ward25/09106/FULL
Planning application · Westminster

25/09106/FULL.

12 Denbigh Street London SW1V 2ER

Full / Other Planning at 12 Denbigh Street London SW1V 2ER, received 16 Dec 2025 — approved on 20 Mar 2026 (delegated, Seana McCaffrey).

WestminsterPimlico NorthSW1V 2ER25/09106/FULL
ApprovedRefusedOther
At a glance · this applicationWestminster profile →
Approved
Outcome
20 Mar 2026
13 wks
Decision time
5 wks over the 8-week target
Conditions
not captured
21
Documents
21 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?

Erection of mansard roof extension and alterations to the front and rear elevations including changes to the windows and to rear closet wing.

Reference
25/09106/FULL
Type
Full Planning Permission Application
Agent / consultant
Case officer
Postcode
SW1V 2ER
Received
16 Dec 2025
Target date
10 Feb 2026
Decision date
20 Mar 2026
Decision route
Delegated (officer)
Status
Decided
Reference
25/09106/FULL
Type
Full Planning Permission Application
Show all 15 rows
Agent / consultant
Case officer
Postcode
SW1V 2ER
Received
16 Dec 2025
Target date
10 Feb 2026
Decision date
20 Mar 2026
Decision route
Delegated (officer)
Status
Decided
Documents

What was filed?

Document
Published
View
GRANT OF FULL PP [PE]
20 Mar 2026
DELEGATED REPORT
20 Mar 2026
RECEIPT OF APPLICATION
18 Feb 2026
ACK-GENERAL LETTER (G/P/C)
18 Feb 2026
CNSLT-LA SOCIETY
18 Feb 2026
CNSLT-LA SOCIETY
18 Feb 2026
CNSLT-LA SOCIETY
18 Feb 2026
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.
18 Feb 2026
NEIGHBOUR NOTIFICATION LETTER (21D)
18 Feb 2026
APPLICATIONFORMREDACTED
16 Dec 2025
GRANT OF FULL PP [PE]
20 Mar 2026
DELEGATED REPORT
20 Mar 2026
RECEIPT OF APPLICATION
18 Feb 2026
Show all 10 rows
ACK-GENERAL LETTER (G/P/C)
18 Feb 2026
CNSLT-LA SOCIETY
18 Feb 2026
CNSLT-LA SOCIETY
18 Feb 2026
CNSLT-LA SOCIETY
18 Feb 2026
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.
18 Feb 2026
NEIGHBOUR NOTIFICATION LETTER (21D)
18 Feb 2026
APPLICATIONFORMREDACTED
16 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 20 Mar 2026, delegated decision by Seana McCaffrey — 13 weeks from submission (5 over the 8-week target).

Timeline

Date
Event
16 Dec 2025
Application received
10 Feb 2026
Statutory target date
20 Mar 2026
Delegated decision: Approved · Seana McCaffrey
16 Dec 2025
Application received
10 Feb 2026
Statutory target date
20 Mar 2026
Delegated decision: Approved · Seana McCaffrey

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 · consultant profile
Case officer — delegated decision
Applicant — the party who applied, not necessarily the owner
Agent · consultant profile
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.