Planning Atlas
AtlasPostcodeSW1P3BL
Dev
Session
Tier
Planning AtlasWestminsterSt James's wardSW1P 3BL
Postcode record · Westminster

SW1P 3BL.

SW1P 3BL has 12 known premises and 1 planning record — 1 approved of 1 decided (100%).

WestminsterSt James'sSW1P 3BL
Postcode SW1P 3BL · boundary not held, centred on the postcodeApprovedRefusedOther28 on the map — every match
At a glance · this postcodeWestminster profile →
12
Premises
known addresses (UPRNs)
1
Applications
1 decided
100%
Approval rate
1 approved · 0 refused
49 days
Median decision time
average 49 days · 1 dated decisions
0
EPC records
none recorded
28
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 3BL has 12 known premises and 1 planning record — 1 approved of 1 decided (100%).

Premises

Planning

What happened?

1 planning application across the postcode; 1 approved of 1 decided (100%). Latest 1 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Internal alterations to provide a mezzanine floor.
23 Great Smith Street London SW1P 3BL · premises record
Listed Building Consent Application
Approved
2014-05-20
Internal alterations to provide a mezzanine floor.
23 Great Smith Street London SW1P 3BL · premises record
Approved
2014-05-20
More
Listed Building Consent 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 12 premises each one covers.

Designation
Coverage
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 12 of 12 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 12 of 12 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 12 of 12 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Westminster Abbey And Parliament Square · reference CONARA/1400 · covers 12 of 12 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
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 12 of 12 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 12 of 12 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 12 of 12 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Westminster Abbey And Parliament Square · reference CONARA/1400 · covers 12 of 12 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
People

Who is involved?

Applicants, agents and officers are attached per application; the current area build carries references only — the borough entity run adds the names here.

Development

What could it become?

Planning precedent1 applications and 28 mapped decisions in this postcode — precedent for what has been permitted and refused here.
EnergyNo EPC records joined yet.
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 Pro

Ownership, 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.
SW1P 3BL, Westminster: planning and property history | Planning Atlas