Postcode record · Westminster
SW1Y 5AF.
SW1Y 5AF has 13 known premises and 111 planning records — 85 approved of 85 decided (100%).
Postcode SW1Y 5AF · boundary not held, centred on the postcodeApprovedRefusedOther95 on the map — every match
At a glance · this postcodeWestminster profile →
13
Premises
known addresses (UPRNs)
111
Applications
85 decided
100%
Approval rate
85 approved · 0 refused
64 days
Median decision time
average 82 days · 93 dated decisions
0
EPC records
none recorded
95
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?
SW1Y 5AF has 13 known premises and 111 planning records — 85 approved of 85 decided (100%).
Premises
Name
Details
UPRN 10033531522
UPRN 10033531523
UPRN 10033548811
UPRN 10033548828
UPRN 10033591079
UPRN 10033604994
UPRN 10033604995
UPRN 10033639226
UPRN 10033643648
UPRN 10033643649
UPRN 10033531522
UPRN 10033531523
UPRN 10033548811
Show all 10 rows
UPRN 10033548828
UPRN 10033591079
UPRN 10033604994
UPRN 10033604995
UPRN 10033639226
UPRN 10033643648
UPRN 10033643649
Planning
What happened?
111 planning applications across the postcode; 85 approved of 85 decided (100%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Variation of condition 1 of planning permission dated 28 April 2021 (RN: 21/01191/FULL) which itself varied condition 1 of planning permission dated 28 August 2020 (RN: 20/04449/FULL) which itself varied condition 1 of planning permission dated 09 April 2020 (RN: 20/00755/FULL) for use of the building as a single residential dwelling (Class C3) with associated internal and external alterations including erection of a sun room with terrace at roof level, partial infill of rear lightwell at basement level and car port enclosure. NAMELY, to remove the list of approved drawings from the operative part of the decision notice of RN: 21/01191/FULL and to insert them within Condition 1.
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Non-material amendments
Approved
2025-07-22
External alterations and internal alterations, including re-location of a bin store and installation of a new bin lift in the front lightwell, re-location the plant and from main roof level into the side lightwell and to install associated screening, amendments to the roof level extension, landscaping and boundary treatments to accommodate a new plant enclosure, changes to facing materials, underpinning, dampproofing, changes to internal layouts, installation of services, installation of wall build-out and internal wall insulation and other internal works in association with the change of use of this building into a single residential dwelling (class C3) [amendments to RN: 21/01154/LBC] (Linked to 25/04930/FULL).
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Listed Building Consent Application
Pending
2025-07-16
Variation of conditions 1, 4, 9, removal of conditions 11 and 12 of planning permission dated 28 April 2021 (RN: 21/01191/FULL) as amended by non-material amendment dated 04 September 2025 (RN: 25/05079/NMA), which is a variation of earlier permissions for use of the building as a single residential dwelling (Class C3) with associated internal and external alterations including erection of a sun room with terrace at roof level, partial infill of rear lightwell at basement level and car port enclosure. NAMELY, minor design changes, relocation of the bin store and to install a new bin lift in the front lightwell, re-location the plant and from main roof level into the side lightwell and to install associated screening, revisions to the roof level extension, landscaping and boundary treatments to accommodate a new plant enclosure and provision of details pursuant to the conditions listed above. (Linked to 25/04929/LBC)
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Full Planning Permission Application
Pending
2025-07-16
Internal alterations including core drill into the lightwell and fibre/cabling works. New civils connection/duct entry involving a core drill into lightwell area. Existing colt cable (CHT2/1/1) to be cut and pulled back into the network and redirected through new entry point in the lightwell area. New cable to be pulled from the Colt network, through the existing entry point in the lightwell, into the building and through into the comms room to replace the cable above that is to be pulled back and redirected at flat 2 Carlton house terrace.
Flat At 2 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Cert of Law - Prposed works to LB
Approved
2025-06-24
Installation of bin lift.
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Listed Building Consent Application
Approved
2025-01-09
Installation of bin lift.
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Full Planning Permission Application
Approved
2025-01-09
Detailed method statement including details of any repairs that are required following the removal of plastic or other tread finishes from the stone staircase, pursuant to part discharge of condition 6 (iii) of listed building consent dated 28th April 2021 (RN: 21/01154).
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Approval of Details (ADLBC)
Approved
2024-12-02
Details of a brief method statement including details of any repairs that are required following the removal of plastic or other tread finishes from the stone staircase, the slurry from the underside of the stone staircase, pursuant to part-discharge of condition 6 (iii) of listed building consent dated 6th May 2021 (RN: 20/05319)
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Approval of Details (ADLBC)
Approved
2024-12-02
Detailed drawings of the screen between the pool area and the corridor at lower ground level pursuant to condition 3 (vii) of Listed Building Consent dated 6th May 2021 (RN: 20/05319/LBC).
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Approval of Details (ADLBC)
Approved
2024-11-25
Detailed drawings of the screen between the pool area and the corridor at lower ground level pursuant to Condition 3 (vii) of listed building consent dated 28 April 2021 (RN: 21/01154/LBC).
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Approval of Details (ADLBC)
Approved
2024-11-25
Variation of condition 1 of planning permission dated 28 April 2021 (RN: 21/01191/FULL) which itself varied condition 1 of planning permission dated 28 August 2020 (RN: 20/04449/FULL) which itself varied condition 1 of planning permission dated 09 April 2020 (RN: 20/00755/FULL) for use of the building as a single residential dwelling (Class C3) with associated internal and external alterations including erection of a sun room with terrace at roof level, partial infill of rear lightwell at basement level and car port enclosure. NAMELY, to remove the list of approved drawings from the operative part of the decision notice of RN: 21/01191/FULL and to insert them within Condition 1.
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Approved
2025-07-22
More
Non-material amendments
External alterations and internal alterations, including re-location of a bin store and installation of a new bin lift in the front lightwell, re-location the plant and from main roof level into the side lightwell and to install associated screening, amendments to the roof level extension, landscaping and boundary treatments to accommodate a new plant enclosure, changes to facing materials, underpinning, dampproofing, changes to internal layouts, installation of services, installation of wall build-out and internal wall insulation and other internal works in association with the change of use of this building into a single residential dwelling (class C3) [amendments to RN: 21/01154/LBC] (Linked to 25/04930/FULL).
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Pending
2025-07-16
More
Listed Building Consent Application
Variation of conditions 1, 4, 9, removal of conditions 11 and 12 of planning permission dated 28 April 2021 (RN: 21/01191/FULL) as amended by non-material amendment dated 04 September 2025 (RN: 25/05079/NMA), which is a variation of earlier permissions for use of the building as a single residential dwelling (Class C3) with associated internal and external alterations including erection of a sun room with terrace at roof level, partial infill of rear lightwell at basement level and car port enclosure. NAMELY, minor design changes, relocation of the bin store and to install a new bin lift in the front lightwell, re-location the plant and from main roof level into the side lightwell and to install associated screening, revisions to the roof level extension, landscaping and boundary treatments to accommodate a new plant enclosure and provision of details pursuant to the conditions listed above. (Linked to 25/04929/LBC)
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Pending
2025-07-16
More
Full Planning Permission Application
Show all 10 rows
Internal alterations including core drill into the lightwell and fibre/cabling works. New civils connection/duct entry involving a core drill into lightwell area. Existing colt cable (CHT2/1/1) to be cut and pulled back into the network and redirected through new entry point in the lightwell area. New cable to be pulled from the Colt network, through the existing entry point in the lightwell, into the building and through into the comms room to replace the cable above that is to be pulled back and redirected at flat 2 Carlton house terrace.
Flat At 2 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Approved
2025-06-24
More
Cert of Law - Prposed works to LB
Installation of bin lift.
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Approved
2025-01-09
More
Listed Building Consent Application
Installation of bin lift.
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Approved
2025-01-09
More
Full Planning Permission Application
Detailed method statement including details of any repairs that are required following the removal of plastic or other tread finishes from the stone staircase, pursuant to part discharge of condition 6 (iii) of listed building consent dated 28th April 2021 (RN: 21/01154).
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Approved
2024-12-02
More
Approval of Details (ADLBC)
Details of a brief method statement including details of any repairs that are required following the removal of plastic or other tread finishes from the stone staircase, the slurry from the underside of the stone staircase, pursuant to part-discharge of condition 6 (iii) of listed building consent dated 6th May 2021 (RN: 20/05319)
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Allison Borden
Approved
2024-12-02
More
Approval of Details (ADLBC)
Detailed drawings of the screen between the pool area and the corridor at lower ground level pursuant to condition 3 (vii) of Listed Building Consent dated 6th May 2021 (RN: 20/05319/LBC).
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Approved
2024-11-25
More
Approval of Details (ADLBC)
Detailed drawings of the screen between the pool area and the corridor at lower ground level pursuant to Condition 3 (vii) of listed building consent dated 28 April 2021 (RN: 21/01154/LBC).
1 Carlton House Terrace London SW1Y 5AF · premises record
Officer Nikki Mitchell
Approved
2024-11-25
More
Approval of Details (ADLBC)
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 13 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 13 of 13 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 13 of 13 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 13 of 13 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 13 of 13 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 Direction Class E To C3 In Central Activities Zone · reference 23/00004/REG_4 · covers 12 of 13 premises. Some normally permitted changes may require planning permission.
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 13 of 13 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 13 of 13 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 13 of 13 premises. London Plan policies for the Central Activities Zone may apply.
Show all 5 rows
Conservation Area
St James's · reference CONARA/1330 · covers 13 of 13 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 Direction Class E To C3 In Central Activities Zone · reference 23/00004/REG_4 · covers 12 of 13 premises. Some normally permitted changes may require planning permission.
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
Case officer on 19 applications
Case officer on 11 applications
Case officer on 19 applications
Case officer on 11 applications
Development
What could it become?
Planning precedent111 applications and 95 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.