Postcode record · Westminster
SW1P 3LL.
SW1P 3LL has 36 known premises and 4 planning records — 4 approved of 4 decided (100%). 28 EPC records.
Postcode SW1P 3LL · boundary not held, centred on the postcodeApprovedRefusedOther91 on the map — every match
At a glance · this postcodeWestminster profile →
36
Premises
known addresses (UPRNs)
4
Applications
4 decided
100%
Approval rate
4 approved · 0 refused
75 days
Median decision time
average 79 days · 4 dated decisions
28
EPC records
ratings B 1 · C 18 · D 7 · E 2
91
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property
What is it?
SW1P 3LL has 36 known premises and 4 planning records — 4 approved of 4 decided (100%). 28 EPC records.
Premises (18 of 36 shown)
Name
Details
UPRN 10033535008
UPRN 10033549030
UPRN 10033558394
UPRN 10033586542
UPRN 10033586615
UPRN 10033604239
UPRN 100022757632
UPRN 100022757633
UPRN 100022757634
UPRN 100022757635
UPRN 10033535008
UPRN 10033549030
UPRN 10033558394
Show all 10 rows
UPRN 10033586542
UPRN 10033586615
UPRN 10033604239
UPRN 100022757632
UPRN 100022757633
UPRN 100022757634
UPRN 100022757635
Planning
What happened?
4 planning applications across the postcode; 4 approved of 4 decided (100%). Latest 4 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Use of a ground floor unit as a self contained residential unit (Class C3).
Ground Floor 1 North Court Great Peter Street London SW1P 3LL · premises record
Officer Max Leonardo
Full Planning Permission Application
Approved
2022-08-05
Replacement of four existing windows with double glazed metal framed windows to rear facade of 3 North Court at first floor level.
North Court 1 Great Peter Street London SW1P 3LL · premises record
Officer Renee Clarke
Full Planning Permission Application
Approved
2012-12-04
Replacement of seven existing metal framed casement windows to rear facade of 6 North Court.
North Court 1 Great Peter Street London SW1P 3LL · premises record
Officer Renee Clarke
Full Planning Permission Application
Approved
2012-12-04
1 x London Plane: remove/reduce back lateral branches to give a two metre clearance to buildings. Remove deadwood.
22 Great Peter Street London SW1P 3LL · premises record
Applic. for wks to trees subject to TPO
Approved
2005-08-01
Use of a ground floor unit as a self contained residential unit (Class C3).
Ground Floor 1 North Court Great Peter Street London SW1P 3LL · premises record
Officer Max Leonardo
Approved
2022-08-05
More
Full Planning Permission Application
Replacement of four existing windows with double glazed metal framed windows to rear facade of 3 North Court at first floor level.
North Court 1 Great Peter Street London SW1P 3LL · premises record
Officer Renee Clarke
Approved
2012-12-04
More
Full Planning Permission Application
Replacement of seven existing metal framed casement windows to rear facade of 6 North Court.
North Court 1 Great Peter Street London SW1P 3LL · premises record
Officer Renee Clarke
Approved
2012-12-04
More
Full Planning Permission Application
Show all 4 rows
1 x London Plane: remove/reduce back lateral branches to give a two metre clearance to buildings. Remove deadwood.
22 Great Peter Street London SW1P 3LL · premises record
Approved
2005-08-01
More
Applic. for wks to trees subject to TPO
Building control
Building-control records are not yet collected for Westminster — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
Every mapped designation touching a premises in this postcode, with how many of its 36 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 36 of 36 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 36 of 36 premises. London Plan policies for the Central Activities Zone may apply.
Archaeological Priority Area
City of Westminster APA 1.1: Westminster and Whitehall Summary and Definition The APA includes the Houses of Parliament, Westminster Abbey, St Margaret’s Church, 10 Downing Street, the Banqueting House and all the other buildings on either side of W · reference 77082 · covers 35 of 36 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Smith Square · reference CONARA/1430 · covers 35 of 36 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 2.8: Victoria Street Summary and Definition The Archaeological Priority Area is located to the west of Westminster Abbey and is bounded by Birdcage Walk to the north, Buckingham Gate to the west, Horseferry Road to the south an · reference 76328 · covers 1 of 36 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Westminster Abbey And Parliament Square · reference CONARA/1400 · covers 1 of 36 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 36 of 36 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 36 of 36 premises. London Plan policies for the Central Activities Zone may apply.
Archaeological Priority Area
City of Westminster APA 1.1: Westminster and Whitehall Summary and Definition The APA includes the Houses of Parliament, Westminster Abbey, St Margaret’s Church, 10 Downing Street, the Banqueting House and all the other buildings on either side of W · reference 77082 · covers 35 of 36 premises. Groundworks may require archaeological assessment or investigation.
Show all 6 rows
Conservation Area
Smith Square · reference CONARA/1430 · covers 35 of 36 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 2.8: Victoria Street Summary and Definition The Archaeological Priority Area is located to the west of Westminster Abbey and is bounded by Birdcage Walk to the north, Buckingham Gate to the west, Horseferry Road to the south an · reference 76328 · covers 1 of 36 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Westminster Abbey And Parliament Square · reference CONARA/1400 · covers 1 of 36 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
People
Who is involved?
Named on the latest 4 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 2 applications
Case officer on 1 application
Case officer on 2 applications
Case officer on 1 application
Development
What could it become?
Planning precedent4 applications and 91 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy28 EPC records; ratings B: 1, C: 18, D: 7, E: 2.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.
Intent signals
Planning Atlas ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
No intent signal is currently recorded in this postcode.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.