Planning Atlas
Planning AtlasWestminsterKnightsbridge & Belgravia wardSW1X 9HL25/08735/LBC
Planning application · Westminster

25/08735/LBC.

8 - 9 William Street London SW1X 9HL

Listed Building at 8 - 9 William Street London SW1X 9HL, received 1 Dec 2025 — approved on 26 Mar 2026 (delegated, Zulekha Hosenally).

ApprovedRefusedOther
At a glance · this applicationWestminster profile →
Approved
Outcome
26 Mar 2026
16 wks
Decision time
8 wks over the 8-week target
Conditions
not captured
16
Documents
16 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 air-conditioning plant and acoustic enclosure to the rear lower ground courtyard. Alterations to the rear lower ground floor elevation.

Reference
25/08735/LBC
Type
Listed Building Consent Application
Agent / consultant
Case officer
Postcode
Received
1 Dec 2025
Target date
26 Jan 2026
Decision date
26 Mar 2026
Decision route
Delegated (officer)
Status
Decided
Reference
25/08735/LBC
Type
Listed Building Consent Application
Show all 15 rows
Agent / consultant
Case officer
Postcode
Received
1 Dec 2025
Target date
26 Jan 2026
Decision date
26 Mar 2026
Decision route
Delegated (officer)
Status
Decided
Documents

What was filed?

Document
Published
View
GRANT OF LISTED BUILDING CONSENT [PE]
26 Mar 2026
DELEGATED REPORT
26 Mar 2026
RECEIPT OF APPLICATION
20 Feb 2026
ACK-GENERAL LETTER (G/P/C)
20 Feb 2026
APPLICATIONFORMREDACTED
1 Dec 2025
FEECALCULATION
1 Dec 2025
ATTACHMENTSUMMARY
1 Dec 2025
PLANT NOISE IMPACT ASSESSMENT (3
1 Dec 2025
LOCATION PLAN
1 Dec 2025
EXISTING AND PROPOSED BASEMENT
1 Dec 2025
GRANT OF LISTED BUILDING CONSENT [PE]
26 Mar 2026
DELEGATED REPORT
26 Mar 2026
RECEIPT OF APPLICATION
20 Feb 2026
Show all 10 rows
ACK-GENERAL LETTER (G/P/C)
20 Feb 2026
APPLICATIONFORMREDACTED
1 Dec 2025
FEECALCULATION
1 Dec 2025
ATTACHMENTSUMMARY
1 Dec 2025
PLANT NOISE IMPACT ASSESSMENT (3
1 Dec 2025
LOCATION PLAN
1 Dec 2025
EXISTING AND PROPOSED BASEMENT
1 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 26 Mar 2026, delegated decision by Zulekha Hosenally — 16 weeks from submission (8 over the 8-week target).

Timeline

Date
Event
1 Dec 2025
Application received
26 Jan 2026
Statutory target date
26 Mar 2026
Delegated decision: Approved · Zulekha Hosenally
1 Dec 2025
Application received
26 Jan 2026
Statutory target date
26 Mar 2026
Delegated decision: Approved · Zulekha Hosenally

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.