Postcode record · Westminster
SW1P 3BT.
SW1P 3BT has 4 known premises and 29 planning records — 23 approved of 23 decided (100%).
Postcode SW1P 3BT · boundary not held, centred on the postcodeApprovedRefusedOther30 on the map — every match
At a glance · this postcodeWestminster profile →
4
Premises
known addresses (UPRNs)
29
Applications
23 decided
100%
Approval rate
23 approved · 0 refused
55 days
Median decision time
average 84 days · 28 dated decisions
0
EPC records
none recorded
30
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 3BT has 4 known premises and 29 planning records — 23 approved of 23 decided (100%).
Premises
Name
Details
UPRN 10091843700
UPRN 10091843701
UPRN 100023339322
UPRN 100023622080
UPRN 10091843700
UPRN 10091843701
UPRN 100023339322
Show all 4 rows
UPRN 100023622080
Planning
What happened?
29 planning applications across the postcode; 23 approved of 23 decided (100%). Latest 29 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of automatic opening vents to window openings at levels 00, 01, 02 and 03 on east and west elevations.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer South Planning Team
Full Planning Permission Application
Pending
2026-04-27
Details of proof that all the necessary licences under the Highways Act have been secured/approved for the placement of any structures associated with the works on the public highway pursuant to Condition 6 of planning permission dated 6th March 2026 (25/07203/FULL).
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2026-03-13
Replacement of defective lintels above three windows on the sixth floor.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Listed Building Consent Application
Not required
2025-12-15
Temporary modification and subsequent reinstatement of a single section of curtain walling spanning between the basement and ground floor, to facilitate inclusive access while the main entrance is closed due to internal refurbishment works in that area. (Linked with 25/07203/FULL)
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Allison Borden
Listed Building Consent Application
Withdrawn
2025-10-06
Temporary modification and subsequent reinstatement of a single section of curtain walling spanning between the basement and ground floor, to facilitate inclusive access while the main entrance is closed due to internal refurbishment works in that area.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Allison Borden
Full Planning Permission Application
Approved
2025-10-06
Installation of external pipework between the first and second floors on the south elevation.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Listed Building Consent Application
Approved
2025-09-15
Installation of external pipework between the first and second floors on the south elevation.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Full Planning Permission Application
Approved
2025-09-05
Replacement of raised modern floors at a higher level and installation of internal fall protection at first through third floors of Orchard House.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Allison Borden
Listed Building Consent Application
Approved
2025-08-20
Alterations to existing infill panels to allow widening of a fire exit.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Full Planning Permission Application
Approved
2024-06-22
Internal alterations to refurbish lower ground, first, second, third and fourth floors to Park House and lower ground, first, second and third floors to Orchard House; including renewal of mechanical and electrical services, redecoration and removal of wall dividing Park House from Sanctuary Buildings at fifth floor level.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Tom Burke
Listed Building Consent Application
Approved
2020-11-20
Installation of automatic opening vents to window openings at levels 00, 01, 02 and 03 on east and west elevations.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer South Planning Team
Pending
2026-04-27
More
Full Planning Permission Application
Details of proof that all the necessary licences under the Highways Act have been secured/approved for the placement of any structures associated with the works on the public highway pursuant to Condition 6 of planning permission dated 6th March 2026 (25/07203/FULL).
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Approved
2026-03-13
More
Approval of Details (Full PP)
Replacement of defective lintels above three windows on the sixth floor.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Not required
2025-12-15
More
Listed Building Consent Application
Show all 10 rows
Temporary modification and subsequent reinstatement of a single section of curtain walling spanning between the basement and ground floor, to facilitate inclusive access while the main entrance is closed due to internal refurbishment works in that area. (Linked with 25/07203/FULL)
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Allison Borden
Withdrawn
2025-10-06
More
Listed Building Consent Application
Temporary modification and subsequent reinstatement of a single section of curtain walling spanning between the basement and ground floor, to facilitate inclusive access while the main entrance is closed due to internal refurbishment works in that area.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Allison Borden
Approved
2025-10-06
More
Full Planning Permission Application
Installation of external pipework between the first and second floors on the south elevation.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Approved
2025-09-15
More
Listed Building Consent Application
Installation of external pipework between the first and second floors on the south elevation.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Approved
2025-09-05
More
Full Planning Permission Application
Replacement of raised modern floors at a higher level and installation of internal fall protection at first through third floors of Orchard House.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Allison Borden
Approved
2025-08-20
More
Listed Building Consent Application
Alterations to existing infill panels to allow widening of a fire exit.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Nikki Mitchell
Approved
2024-06-22
More
Full Planning Permission Application
Internal alterations to refurbish lower ground, first, second, third and fourth floors to Park House and lower ground, first, second and third floors to Orchard House; including renewal of mechanical and electrical services, redecoration and removal of wall dividing Park House from Sanctuary Buildings at fifth floor level.
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT · premises record
Officer Tom Burke
Approved
2020-11-20
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 4 premises each one covers.
Designation
Coverage
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 4 of 4 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 4 of 4 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 4 of 4 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Westminster Abbey And Parliament Square · reference CONARA/1400 · covers 4 of 4 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 4 of 4 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 4 of 4 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 4 of 4 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 4 of 4 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 29 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 5 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 5 applications
Case officer on 3 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent29 applications and 30 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 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.