Planning Atlas
Planning AtlasWestminsterWest End ward25/06153/FULL
Planning application · Westminster

25/06153/FULL.

43 - 45 Portman Square London W1H 6LY

Full / Other Planning at 43 - 45 Portman Square London W1H 6LY, received 29 Aug 2025 — approved on 22 Apr 2026 (delegated, Shaun Retzback).

WestminsterWest EndW1H 6LY25/06153/FULL
ApprovedRefusedOther
At a glance · this applicationWestminster profile →
Approved
Outcome
22 Apr 2026
34 wks
Decision time
26 wks over the 8-week target
Conditions
not captured
26
Documents
26 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?

Variation of Condition 1 of planning permission dated 7th April 2025 (RN: 24/04987/FULL) for, 'Partial demolition of the existing roof and removal of plant equipment; construction of a roof extension providing new office (Class E) floorspace with associated external amenity spaces and plant equipment; refurbishment of the existing building, including infilling of the existing atrium; alterations to the existing fa�ade; provision of cycle parking spaces and end of journey facilities, and all associated and ancillary works'; Namely,the retention of existing cores, the infilling of atria, the provision of additional rooflights to the western 3rd floor terrace, layout changes at ground and lower

Reference
25/06153/FULL
Type
Full Planning Permission Application
Agent / consultant
Case officer
Postcode
W1H 6LY
Received
29 Aug 2025
Validated
15 Oct 2025
Target date
14 Jan 2026
Decision date
22 Apr 2026
Decision route
Delegated (officer)
Status
Decided
Reference
25/06153/FULL
Type
Full Planning Permission Application
Show all 16 rows
Agent / consultant
Case officer
Postcode
W1H 6LY
Received
29 Aug 2025
Validated
15 Oct 2025
Target date
14 Jan 2026
Decision date
22 Apr 2026
Decision route
Delegated (officer)
Status
Decided
Documents

What was filed?

Document
Published
View
45 PORTMAN SQ DECISION NOTICE 25/06153/FULL PLANNING PERMISS
22 Apr 2026
45 PORTMAN SQUARE S106 DOV ENGROSSMENT DATED 22 APRIL 2026
22 Apr 2026
ENERGY & SUSTAINABILITY STATEMENT ADDENDUM REV 03
20 Nov 2025
2ND INVALID LETTER
13 Oct 2025
ENERGY & SUSTAINABILITY STATEMENT
9 Oct 2025
ACK-GENERAL LETTER (G/P/C)
12 Sept 2025
ECNSLT-INTERNAL CONSULTS
12 Sept 2025
CNSLT-LA SOCIETY
12 Sept 2025
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.
12 Sept 2025
NEIGHBOUR NOTIFICATION LETTER (21D)
12 Sept 2025
45 PORTMAN SQ DECISION NOTICE 25/06153/FULL PLANNING PERMISS
22 Apr 2026
45 PORTMAN SQUARE S106 DOV ENGROSSMENT DATED 22 APRIL 2026
22 Apr 2026
ENERGY & SUSTAINABILITY STATEMENT ADDENDUM REV 03
20 Nov 2025
Show all 10 rows
2ND INVALID LETTER
13 Oct 2025
ENERGY & SUSTAINABILITY STATEMENT
9 Oct 2025
ACK-GENERAL LETTER (G/P/C)
12 Sept 2025
ECNSLT-INTERNAL CONSULTS
12 Sept 2025
CNSLT-LA SOCIETY
12 Sept 2025
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.
12 Sept 2025
NEIGHBOUR NOTIFICATION LETTER (21D)
12 Sept 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 22 Apr 2026, delegated decision by Shaun Retzback — 34 weeks from submission (26 over the 8-week target).

Timeline

Date
Event
29 Aug 2025
Application received
15 Oct 2025
Application validated
14 Jan 2026
Statutory target date
22 Apr 2026
Delegated decision: Approved · Shaun Retzback
29 Aug 2025
Application received
15 Oct 2025
Application validated
14 Jan 2026
Statutory target date
Show all 4 rows
22 Apr 2026
Delegated decision: Approved · Shaun Retzback

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.