Postcode record · Westminster
W1H 6LT.
W1H 6LT has 17 known premises and 4 planning records — 4 approved of 4 decided (100%).
Postcode W1H 6LT · boundary not held, centred on the postcodeApprovedRefusedOther23 exact1 approximate24 on the map — every match
At a glance · this postcodeWestminster profile →
17
Premises
known addresses (UPRNs)
4
Applications
4 decided
100%
Approval rate
4 approved · 0 refused
0
EPC records
none recorded
24
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?
W1H 6LT has 17 known premises and 4 planning records — 4 approved of 4 decided (100%).
Premises
Name
Details
UPRN 10033549965
UPRN 10033617682
UPRN 10033617683
UPRN 10033617684
UPRN 10033617685
UPRN 10033617686
UPRN 10033617687
UPRN 10033617688
UPRN 10033617689
UPRN 10033629711
UPRN 10033549965
UPRN 10033617682
UPRN 10033617683
Show all 10 rows
UPRN 10033617684
UPRN 10033617685
UPRN 10033617686
UPRN 10033617687
UPRN 10033617688
UPRN 10033617689
UPRN 10033629711
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 part ground floor (rear) as office (Class B1) floorspace.
Ground Floor 40 Portman Square London W1H 6LT · premises record
Full Planning Permission Application
Approved
2012-05-29
Installation of seven air conditioning units and air handling unit at roof level behind existing screen.
40 Portman Square London W1H 6LT · premises record
Full Planning Permission Application
Approved
2011-10-21
Installation of two air-conditioning units to rear balcony at third floor level
40 Portman Square London W1H 6LT · premises record
Full Planning Permission Application
Approved
2000-05-22
Installation of an extract grille in the fanlight section of a 6th floor window in the south elevation.
40 Portman Square London W1H 6LT · premises record
Full Planning Permission Application
Approved
2000-02-16
Use of part ground floor (rear) as office (Class B1) floorspace.
Ground Floor 40 Portman Square London W1H 6LT · premises record
Approved
2012-05-29
More
Full Planning Permission Application
Installation of seven air conditioning units and air handling unit at roof level behind existing screen.
40 Portman Square London W1H 6LT · premises record
Approved
2011-10-21
More
Full Planning Permission Application
Installation of two air-conditioning units to rear balcony at third floor level
40 Portman Square London W1H 6LT · premises record
Approved
2000-05-22
More
Full Planning Permission Application
Show all 4 rows
Installation of an extract grille in the fanlight section of a 6th floor window in the south elevation.
40 Portman Square London W1H 6LT · premises record
Approved
2000-02-16
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 17 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 2.9: Oxford Street/Bayswater Roman Road Summary and Definition The Archaeological Priority Area forms a corridor along Oxford Street and Bayswater Road which follow the approximate route of the London to Silchester Roman road. · reference 78346 · covers 17 of 17 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 17 of 17 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Direction Class E To C3 In Central Activities Zone · reference 23/00004/REG_4 · covers 17 of 17 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 17 of 17 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Portman Estate · reference CONARA/1160 · covers 17 of 17 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 2.9: Oxford Street/Bayswater Roman Road Summary and Definition The Archaeological Priority Area forms a corridor along Oxford Street and Bayswater Road which follow the approximate route of the London to Silchester Roman road. · reference 78346 · covers 17 of 17 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 17 of 17 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Direction Class E To C3 In Central Activities Zone · reference 23/00004/REG_4 · covers 17 of 17 premises. Some normally permitted changes may require planning permission.
Show all 5 rows
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 17 of 17 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Portman Estate · reference CONARA/1160 · covers 17 of 17 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 1 application
Development
What could it become?
Planning precedent4 applications and 24 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
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.
2 intent signals recorded in this postcode
Company dissolving · Ageing director
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.