Postcode record · Westminster
SW1A 1RN.
SW1A 1RN has 8 known premises and 49 planning records — 41 approved of 41 decided (100%).
Postcode SW1A 1RN · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeWestminster profile →
8
Premises
known addresses (UPRNs)
49
Applications
41 decided
100%
Approval rate
41 approved · 0 refused
0
EPC records
none recorded
25
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 1RN has 8 known premises and 49 planning records — 41 approved of 41 decided (100%).
Premises
Name
Details
UPRN 10033523712
UPRN 10033529108
UPRN 10033601245
UPRN 10033601247
UPRN 10033622585
UPRN 10033627143
UPRN 10033645512
UPRN 100023336691
UPRN 10033523712
UPRN 10033529108
UPRN 10033601245
Show all 8 rows
UPRN 10033601247
UPRN 10033622585
UPRN 10033627143
UPRN 10033645512
UPRN 100023336691
Planning
What happened?
49 planning applications across the postcode; 41 approved of 41 decided (100%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
T1 1 x purple beech: crown reduce all round by 0.5-1m to shape and tidy, not exceeding any previous reduction points. Reduce overlong, extended branches only by up to 1.5m (not exceeding previous reduction points) to bring into the main canopy line. T2 1 x Japanese maple: crown reduce by up to 1m and prune back any overextended lateral branches into main canopy line, maintaining crown shape. T3 1 x walnut: reduce height by up to 1.5m and shape the lateral branches to create a more compact crown and aesthetically pleasing overall outline T4 1 x cherry: crown reduce by up to 1m to create a neater and more compact crown.
21 Arlington Street SW1A 1RN · premises record
Applic. for works to trees in CA
No objection
2025-09-01
Rendering and painting the north facing side elevation.
21 Arlington Street SW1A 1RN · premises record
Listed Building Consent Application
Approved
2025-01-13
Rendering and painting the north facing side elevation.
21 Arlington Street SW1A 1RN · premises record
Full Planning Permission Application
Approved
2025-01-13
Installation of secondary glazing to windows at rear ground, second, third and fourth levels.
21 Arlington Street SW1A 1RN · premises record
Listed Building Consent Application
Approved
2025-01-09
Replacement of render and coping stone on the North Wall and removal of balustrade to facilitate fire escape access.
21 Arlington Street London SW1A 1RN · premises record
Listed Building Consent Application
Approved
2022-08-11
Replacement of render and coping stone on the North Wall and removal of balustrade to facilitate fire escape access.
21 Arlington Street London SW1A 1RN · premises record
Full Planning Permission Application
Approved
2022-08-11
Partial underpinning of the north party wall to No.21 Arlington Street.
21 Arlington Street London SW1A 1RN · premises record
Listed Building Consent Application
Approved
2022-01-18
Amendments to planning permission dated 23 October 2009 (RN:09/06640/FULL) for Demolition and redevelopment of 22 Arlington Street (Eagle Star House) to form extension to the Ritz Hotel comprising basement, lower ground, ground and eight upper floors to provide 45 guest bedrooms/suites and related guest and staff facilities comprising arrival and drop off facility; 10 car parking spaces; off street servicing; new refuse store; and a centralised plant area. Relocation of existing and the provision of new roof top plant and screening on the roof of the Ritz Hotel. (Variation of condition 15 of permission dated 14 May 2007 to allow all other parts of the development except the additional bedrooms/suites to be brought into use before the provision of the environmental sustainability features; and deed of variation to the section 106 legal agreement dated 14 May 2007 to vary the stage of works whereby compliance with the various planning obligations will be triggered to the date upon which the construction of the extension to the Ritz Hotel is commenced). NAMELY, to introduce a new Condition 22 which states that 'You must not carry out demolition work unless it is part of the complete development of the site. You must carry out the demolition and development without interruption and according to the drawings we have approved or such other drawings as may be approved by the Council' and amendments to the wording of Conditions 8, 19, 20 and 21 to reflect that these conditions are carried out in accordance with the details approved under RN: 09/08094/ADFULL.
Eagle Star House 22 Arlington Street London SW1A 1RN · premises record
Non-material amendments
Approved
2021-02-15
1 x beech (T2): crown reduce by 15% (by about 2m) and crown thin 15% 1 x maple (T3): Prune from footpath; one or two small lateral limbs to be reduced by about 1m to suitable pruning points. 1 x apple (T1), 1 x cherry (T4) and 1 x unidentified tree (T5): fell
21 Arlington Street London SW1A 1RN · premises record
Applic. for works to trees in CA
No objection
2021-01-28
1 x beech (T1): crown reduce by up to 25%, pruning back to suitable growth points and shaping to create natural, flowing canopy outline. 1 x crab apple (T2): crown reduce by up to 20% 1 x hawthorn (T3): prune branches overhanging property to the south back to boundary 1 x cherry (T4): crown reduce by up to 15% to reshape
21 Arlington Street London SW1A 1RN · premises record
Applic. for works to trees in CA
No objection
2015-12-16
T1 1 x purple beech: crown reduce all round by 0.5-1m to shape and tidy, not exceeding any previous reduction points. Reduce overlong, extended branches only by up to 1.5m (not exceeding previous reduction points) to bring into the main canopy line. T2 1 x Japanese maple: crown reduce by up to 1m and prune back any overextended lateral branches into main canopy line, maintaining crown shape. T3 1 x walnut: reduce height by up to 1.5m and shape the lateral branches to create a more compact crown and aesthetically pleasing overall outline T4 1 x cherry: crown reduce by up to 1m to create a neater and more compact crown.
21 Arlington Street SW1A 1RN · premises record
No objection
2025-09-01
More
Applic. for works to trees in CA
Rendering and painting the north facing side elevation.
21 Arlington Street SW1A 1RN · premises record
Approved
2025-01-13
More
Listed Building Consent Application
Rendering and painting the north facing side elevation.
21 Arlington Street SW1A 1RN · premises record
Approved
2025-01-13
More
Full Planning Permission Application
Show all 10 rows
Installation of secondary glazing to windows at rear ground, second, third and fourth levels.
21 Arlington Street SW1A 1RN · premises record
Approved
2025-01-09
More
Listed Building Consent Application
Replacement of render and coping stone on the North Wall and removal of balustrade to facilitate fire escape access.
21 Arlington Street London SW1A 1RN · premises record
Approved
2022-08-11
More
Listed Building Consent Application
Replacement of render and coping stone on the North Wall and removal of balustrade to facilitate fire escape access.
21 Arlington Street London SW1A 1RN · premises record
Approved
2022-08-11
More
Full Planning Permission Application
Partial underpinning of the north party wall to No.21 Arlington Street.
21 Arlington Street London SW1A 1RN · premises record
Approved
2022-01-18
More
Listed Building Consent Application
Amendments to planning permission dated 23 October 2009 (RN:09/06640/FULL) for Demolition and redevelopment of 22 Arlington Street (Eagle Star House) to form extension to the Ritz Hotel comprising basement, lower ground, ground and eight upper floors to provide 45 guest bedrooms/suites and related guest and staff facilities comprising arrival and drop off facility; 10 car parking spaces; off street servicing; new refuse store; and a centralised plant area. Relocation of existing and the provision of new roof top plant and screening on the roof of the Ritz Hotel. (Variation of condition 15 of permission dated 14 May 2007 to allow all other parts of the development except the additional bedrooms/suites to be brought into use before the provision of the environmental sustainability features; and deed of variation to the section 106 legal agreement dated 14 May 2007 to vary the stage of works whereby compliance with the various planning obligations will be triggered to the date upon which the construction of the extension to the Ritz Hotel is commenced). NAMELY, to introduce a new Condition 22 which states that 'You must not carry out demolition work unless it is part of the complete development of the site. You must carry out the demolition and development without interruption and according to the drawings we have approved or such other drawings as may be approved by the Council' and amendments to the wording of Conditions 8, 19, 20 and 21 to reflect that these conditions are carried out in accordance with the details approved under RN: 09/08094/ADFULL.
Eagle Star House 22 Arlington Street London SW1A 1RN · premises record
Approved
2021-02-15
More
Non-material amendments
1 x beech (T2): crown reduce by 15% (by about 2m) and crown thin 15% 1 x maple (T3): Prune from footpath; one or two small lateral limbs to be reduced by about 1m to suitable pruning points. 1 x apple (T1), 1 x cherry (T4) and 1 x unidentified tree (T5): fell
21 Arlington Street London SW1A 1RN · premises record
No objection
2021-01-28
More
Applic. for works to trees in CA
1 x beech (T1): crown reduce by up to 25%, pruning back to suitable growth points and shaping to create natural, flowing canopy outline. 1 x crab apple (T2): crown reduce by up to 20% 1 x hawthorn (T3): prune branches overhanging property to the south back to boundary 1 x cherry (T4): crown reduce by up to 15% to reshape
21 Arlington Street London SW1A 1RN · premises record
No objection
2015-12-16
More
Applic. for works to trees in CA
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 8 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 8 of 8 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 8 of 8 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 8 of 8 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 8 of 8 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 8 of 8 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 8 of 8 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 8 of 8 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 8 of 8 premises. Some normally permitted changes may require planning permission.
Show all 5 rows
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 8 of 8 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 8 of 8 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 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 7 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
Agent on 5 applications
Agent on 2 applications
Applicant on 7 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 5 applications
Agent on 2 applications
Development
What could it become?
Planning precedent49 applications and 25 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.