Postcode record · Westminster
W1K 3RA.
W1K 3RA has 21 known premises and 2 planning records — 1 approved of 1 decided (100%). 11 EPC records.
Postcode W1K 3RA · boundary not held, centred on the postcodeApprovedRefusedOther62 exact2 approximate64 on the map — every match
At a glance · this postcodeWestminster profile →
21
Premises
known addresses (UPRNs)
2
Applications
1 decided
100%
Approval rate
1 approved · 0 refused
11
EPC records
ratings B 1 · C 7 · D 2 · G 1
64
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?
W1K 3RA has 21 known premises and 2 planning records — 1 approved of 1 decided (100%). 11 EPC records.
Premises (18 of 21 shown)
Name
Details
UPRN 10033594631
UPRN 10033617297
UPRN 10033619496
UPRN 10033640134
UPRN 10033652600
UPRN 10033652801
UPRN 100022782803
UPRN 100022782804
UPRN 100022782805
UPRN 100022782806
UPRN 10033594631
UPRN 10033617297
UPRN 10033619496
Show all 10 rows
UPRN 10033640134
UPRN 10033652600
UPRN 10033652801
UPRN 100022782803
UPRN 100022782804
UPRN 100022782805
UPRN 100022782806
Planning
What happened?
2 planning applications across the postcode; 1 approved of 1 decided (100%). Latest 2 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of two windows to existing flat at rear fourth floor level.
Flat 8 Connaught House 1 - 3 Mount Row London W1K 3RA · premises record
Listed Building Consent Application
Not required
2005-12-05
Installation of two windows to existing flat at rear fourth floor level.
Flat 8 Connaught House 1 - 3 Mount Row London W1K 3RA · premises record
Full Planning Permission Application
Approved
2005-12-05
Installation of two windows to existing flat at rear fourth floor level.
Flat 8 Connaught House 1 - 3 Mount Row London W1K 3RA · premises record
Not required
2005-12-05
More
Listed Building Consent Application
Installation of two windows to existing flat at rear fourth floor level.
Flat 8 Connaught House 1 - 3 Mount Row London W1K 3RA · premises record
Approved
2005-12-05
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 21 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 21 of 21 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 21 of 21 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 21 of 21 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 21 of 21 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 21 of 21 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 21 of 21 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 21 of 21 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Mayfair · reference CONARA/1270 · covers 21 of 21 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 2 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Agent on 2 applications
Case officer on 2 applications
Applicant on 2 applications
Agent on 2 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent2 applications and 64 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings B: 1, C: 7, D: 2, G: 1.
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
The Developer PlanOwnership, 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.