Postcode record · Westminster
SW1A 1ER.
SW1A 1ER has 23 known premises and 23 planning records — 17 approved of 23 decided (73.9%).
Postcode SW1A 1ER · boundary not held, centred on the postcodeApprovedRefusedOther23 exact1 approximate24 on the map — every match
At a glance · this postcodeWestminster profile →
23
Premises
known addresses (UPRNs)
23
Applications
23 decided
73.9%
Approval rate
17 approved · 6 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?
SW1A 1ER has 23 known premises and 23 planning records — 17 approved of 23 decided (73.9%).
Premises (18 of 23 shown)
Name
Details
UPRN 10033568119
UPRN 10033580664
UPRN 10033580666
UPRN 10033580668
UPRN 10033580670
UPRN 10033580672
UPRN 10033611864
UPRN 10033611906
UPRN 10033611929
UPRN 10033611935
UPRN 10033568119
UPRN 10033580664
UPRN 10033580666
Show all 10 rows
UPRN 10033580668
UPRN 10033580670
UPRN 10033580672
UPRN 10033611864
UPRN 10033611906
UPRN 10033611929
UPRN 10033611935
Planning
What happened?
23 planning applications across the postcode; 17 approved of 23 decided (73.9%). Latest 23 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details of downlighters pursuant to Condition 4 of planning permission dated 18 February 2019 (RN: 18/09790).
Fifth Floor 16 St James's Street London SW1A 1ER · premises record
Approval of Details (Full PP)
Approved
2019-02-25
Replacement of the fourth and fifth floor windows, replacement of timber decking with paving slabs on the fourth floor terrace and installation of external lighting to the fourth floor terrace.
Fifth Floor 16 St James's Street London SW1A 1ER · premises record
Full Planning Permission Application
Approved
2018-11-16
Formation of a terrace to serve third floor office with associated works including lowering sill to window, installation of double doors, replacement balustrade to terrace and the length of facade and installation of low level LED lighting to the terrace floor.
Third Floor 16 St James's Street London SW1A 1ER · premises record
Full Planning Permission Application
Approved
2015-04-27
Formation of a terrace to serve third floor office with associated works including lowering cill to window, installation of double doors, replacement balustrade to terrace and the length of facade and installation of low level LED lighting to the terrace floor.
Third Floor 16 St James's Street London SW1A 1ER · premises record
Full Planning Permission Application
Refused
2014-08-21
Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Advert Application-Regulat. 7 Area (AD7)
Approved
2002-08-13
Display of signs on hoardings. (Renewal)
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Advert Application (ADV)
Approved
2001-09-17
Erection of temporary hoarding signage (renewal)
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Applicant Heron Property Corporation Ltd · Agent Combined Signs
Advert Application (ADV)
Approved
2001-02-26
Display for a temporary period of six months of a non-illuminated 'to let'/ 'for sale'* board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.22m x 0.91m.
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Applicant Heron Property Construction Ltd · Agent Combined Signs
Advert Application-Regulat. 7 Area (AD7)
Approved
2000-11-20
Installation of external lighting at ground to fourth floor facades of King Street and St James's Street elevations
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Applicant Heron St James's St Ltd · Agent RHWL Partnership
Full Planning Permission Application
Approved
2000-02-03
Installation of signage onto crane.
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Applicant JOHN MOWLEM AND COMPANY PLC · Agent MR C MILLER PROJECT SITE OFFICE
Advert Application (ADV)
Refused
1999-09-07
Details of downlighters pursuant to Condition 4 of planning permission dated 18 February 2019 (RN: 18/09790).
Fifth Floor 16 St James's Street London SW1A 1ER · premises record
Approved
2019-02-25
More
Approval of Details (Full PP)
Replacement of the fourth and fifth floor windows, replacement of timber decking with paving slabs on the fourth floor terrace and installation of external lighting to the fourth floor terrace.
Fifth Floor 16 St James's Street London SW1A 1ER · premises record
Approved
2018-11-16
More
Full Planning Permission Application
Formation of a terrace to serve third floor office with associated works including lowering sill to window, installation of double doors, replacement balustrade to terrace and the length of facade and installation of low level LED lighting to the terrace floor.
Third Floor 16 St James's Street London SW1A 1ER · premises record
Approved
2015-04-27
More
Full Planning Permission Application
Show all 10 rows
Formation of a terrace to serve third floor office with associated works including lowering cill to window, installation of double doors, replacement balustrade to terrace and the length of facade and installation of low level LED lighting to the terrace floor.
Third Floor 16 St James's Street London SW1A 1ER · premises record
Refused
2014-08-21
More
Full Planning Permission Application
Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Approved
2002-08-13
More
Advert Application-Regulat. 7 Area (AD7)
Display of signs on hoardings. (Renewal)
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Approved
2001-09-17
More
Advert Application (ADV)
Erection of temporary hoarding signage (renewal)
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Applicant Heron Property Corporation Ltd · Agent Combined Signs
Approved
2001-02-26
More
Advert Application (ADV)
Display for a temporary period of six months of a non-illuminated 'to let'/ 'for sale'* board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.22m x 0.91m.
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Applicant Heron Property Construction Ltd · Agent Combined Signs
Approved
2000-11-20
More
Advert Application-Regulat. 7 Area (AD7)
Installation of external lighting at ground to fourth floor facades of King Street and St James's Street elevations
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Applicant Heron St James's St Ltd · Agent RHWL Partnership
Approved
2000-02-03
More
Full Planning Permission Application
Installation of signage onto crane.
Flats 1 - 6 16 St James's Street London SW1A 1ER · premises record
Applicant JOHN MOWLEM AND COMPANY PLC · Agent MR C MILLER PROJECT SITE OFFICE
Refused
1999-09-07
More
Advert Application (ADV)
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 23 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 23 of 23 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 23 of 23 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 23 of 23 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 23 of 23 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 23 of 23 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 23 of 23 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 23 of 23 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 23 of 23 premises. Some normally permitted changes may require planning permission.
Show all 5 rows
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 23 of 23 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 23 of 23 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 23 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent23 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
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.
Thinking about a project here?
How long would a planning application take here? →
Westminster's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Westminster, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.