Postcode record · Westminster
SW1P 4PX.
SW1P 4PX has 10 known premises and 2 planning records — 2 approved of 2 decided (100%). 7 EPC records.
Postcode SW1P 4PX · boundary not held, centred on the postcodeApprovedRefusedOther2 exact16 approximate18 on the map — every match
At a glance · this postcodeWestminster profile →
10
Premises
known addresses (UPRNs)
2
Applications
2 decided
100%
Approval rate
2 approved · 0 refused
7
EPC records
ratings C 4 · D 3
18
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 4PX has 10 known premises and 2 planning records — 2 approved of 2 decided (100%). 7 EPC records.
Premises
Name
Details
UPRN 100022769230
UPRN 100022769231
UPRN 100022769232
UPRN 100022769233
UPRN 100022769234
UPRN 100022769235
UPRN 100022769236
UPRN 100022769237
UPRN 100023340052
UPRN 100023618077
UPRN 100022769230
UPRN 100022769231
UPRN 100022769232
Show all 10 rows
UPRN 100022769233
UPRN 100022769234
UPRN 100022769235
UPRN 100022769236
UPRN 100022769237
UPRN 100023340052
UPRN 100023618077
Planning
What happened?
2 planning applications across the postcode; 2 approved of 2 decided (100%). Latest 2 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of front rooflights and rear dormer windows within existing roof to provide additional residential accommodation, in connection with second floor flat.
Flat 6 2 John Islip Street London SW1P 4PX · premises record
Full Planning Permission Application
Approved
2008-09-25
Installation of front rooflights and rear dormer windows within existing roof to provide additional residential accommodation, in connection with second floor flat.
Flat 5 2 John Islip Street London SW1P 4PX · premises record
Full Planning Permission Application
Approved
2008-09-25
Installation of front rooflights and rear dormer windows within existing roof to provide additional residential accommodation, in connection with second floor flat.
Flat 6 2 John Islip Street London SW1P 4PX · premises record
Approved
2008-09-25
More
Full Planning Permission Application
Installation of front rooflights and rear dormer windows within existing roof to provide additional residential accommodation, in connection with second floor flat.
Flat 5 2 John Islip Street London SW1P 4PX · premises record
Approved
2008-09-25
More
Full Planning Permission Application
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 10 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 3.2: Pimlico Summary and Definition: The APA covers the confluence of the Thames and Tyburn rivers. For much of its history this was a low lying marshy area that was sparsely populated until the 19th century when the la · reference 76643 · covers 10 of 10 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 10 of 10 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 10 of 10 premises. London Plan policies for the Central Activities Zone may apply.
Archaeological Priority Area
City of Westminster APA 3.2: Pimlico Summary and Definition: The APA covers the confluence of the Thames and Tyburn rivers. For much of its history this was a low lying marshy area that was sparsely populated until the 19th century when the la · reference 76643 · covers 10 of 10 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 10 of 10 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 10 of 10 premises. London Plan policies for the Central Activities Zone may apply.
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 2 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Case officer on 2 applications
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Show all 4 rows
Case officer on 2 applications
Development
What could it become?
Planning precedent2 applications and 18 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings C: 4, D: 3.
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.