Planning application · Westminster
25/08897/FULL. 21 Stafford Place London SW1E 6NP
Full / Other Planning at 21 Stafford Place London SW1E 6NP, received 8 Dec 2025 — approved on 17 Apr 2026 (delegated, Seana McCaffrey).
SatelliteApplications Designations · 0 of 21 on▾
Approved Refused Other
Approved
Outcome
17 Apr 2026
19 wks
Decision time
11 wks over the 8-week target
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.
Erection of mansard roof extension.
Type
Full Planning Permission Application
Decision route
Delegated (officer)
Type
Full Planning Permission Application
Show all 15 rows Decision route
Delegated (officer)
GRANT OF FULL PP [PE]
17 Apr 2026
DELEGATED REPORT
17 Apr 2026
PROPOSED SITE PLAN.
24 Feb 2026
PROPOSED 2-F AND ROOF PLANS OPTION 1.
24 Feb 2026
EXISTING WEST AND NORTH ELEVATIONS
24 Feb 2026
PROPOSED WEST AND NORTH ELEVATIONS
24 Feb 2026
PROPOSED SOUTH AND EAST ELEVATIONS
24 Feb 2026
PROPOSED 3D STREET VIEW
24 Feb 2026
EXISTING AND PROPOSED STREET ELEVATIONS
24 Feb 2026
GRANT OF FULL PP [PE]
17 Apr 2026
DELEGATED REPORT
17 Apr 2026
Show all 10 rows PROPOSED SITE PLAN.
24 Feb 2026
PROPOSED 2-F AND ROOF PLANS OPTION 1.
24 Feb 2026
EXISTING WEST AND NORTH ELEVATIONS
24 Feb 2026
PROPOSED WEST AND NORTH ELEVATIONS
24 Feb 2026
PROPOSED SOUTH AND EAST ELEVATIONS
24 Feb 2026
PROPOSED 3D STREET VIEW
24 Feb 2026
EXISTING AND PROPOSED STREET ELEVATIONS
24 Feb 2026
Show 10 more documents · 23 remaining Documents open on the Westminster portal (the portal needs its documents tab opened first — the link handles that). View the application page ↗
Approved on 17 Apr 2026, delegated decision by Seana McCaffrey — 19 weeks from submission (11 over the 8-week target).
Timeline 8 Dec 2025
Application received
2 Feb 2026
Statutory target date
17 Apr 2026
Delegated decision: Approved · Seana McCaffrey
8 Dec 2025
Application received
2 Feb 2026
Statutory target date
17 Apr 2026
Delegated decision: Approved · Seana McCaffrey
Public response 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
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.