Postcode record · Westminster
SW1X 8AS.
SW1X 8AS has 21 known premises and 78 planning records — 54 approved of 57 decided (94.7%). 14 EPC records.
Postcode SW1X 8AS · boundary not held, centred on the postcodeApprovedRefusedOther77 on the map — every match
At a glance · this postcodeWestminster profile →
21
Premises
known addresses (UPRNs)
78
Applications
57 decided
94.7%
Approval rate
54 approved · 3 refused
14
EPC records
ratings C 7 · D 3 · E 2 · F 1 · G 1
77
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?
SW1X 8AS has 21 known premises and 78 planning records — 54 approved of 57 decided (94.7%). 14 EPC records.
Premises (18 of 21 shown)
Name
Details
UPRN 10033600073
UPRN 10033600074
UPRN 10033641710
UPRN 100022744879
UPRN 100022744880
UPRN 100022744881
UPRN 100022744882
UPRN 100022744883
UPRN 100022744884
UPRN 100022744885
UPRN 10033600073
UPRN 10033600074
UPRN 10033641710
Show all 10 rows
UPRN 100022744879
UPRN 100022744880
UPRN 100022744881
UPRN 100022744882
UPRN 100022744883
UPRN 100022744884
UPRN 100022744885
Planning
What happened?
78 planning applications across the postcode; 54 approved of 57 decided (94.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of an air conditioning unit within acoustic enclosure at roof level.
33 Eaton Mews North London SW1X 8AS · premises record
Officer Seana McCaffrey
Full Planning Permission Application
Approved
2025-04-16
Conversion of garage into habitable space and alterations to front ground floor fenestration including replacement garage door.
33 Eaton Mews North London SW1X 8AS · premises record
Officer Seana McCaffrey
Full Planning Permission Application
Approved
2025-03-20
Replacement of garage door with timber planked door, replacement of the existing door with a four panelled doors and fanlight, removal of the existing metal balustrade at first floor level with metal railings and lowering of the parapet at second floor level.
44 Eaton Mews North London SW1X 8AS · premises record
Officer Allison Borden
Full Planning Permission Application
Approved
2023-12-21
Enlargement and replacement of a garage door with timber and glazed 'round the corner' garage door and new external lighting.
27 Eaton Mews North London SW1X 8AS · premises record
Officer Phoebe Graham
Full Planning Permission Application
Approved
2021-10-22
Details of garage doors pursuant to condition 4 of planning permission dated 12 February 2016 (RN: 15/10165/FULL).
43 Eaton Mews North London SW1X 8AS · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2019-04-24
Installation of an acoustic enclosure to house two condenser units, works to an existing chimney, glazing to a lift overrun and relocation of a roof access hatch at main roof level.
43 Eaton Mews North London SW1X 8AS · premises record
Officer Sebastian Knox
Full Planning Permission Application
Refused
2019-04-03
Removal of Condition 4 of planning permission dated 21 June 2018 (RN: 18/03035/FULL) for the excavation at basement level to enlarge existing basement; Namely, to remove the requirement for the applicant or any other party to provide evidence that any implementation of the basement scheme will be bound by the council's Code of Construction Practice.
43 Eaton Mews North London SW1X 8AS · premises record
Officer Sebastian Knox
Full Planning Permission Application
Approved
2018-08-07
Replacement of garage door with timber planked door, replacement of the existing door with a four panelled doors and fanlight, removal of the existing metal balustrade at first floor level with metal railings, lowering of the parapet at second floor level, replacement of the stair from ground to second floor level, and sundry re-partitioning internally.
44 Eaton Mews North London SW1X 8AS · premises record
Officer Allison Borden
Full Planning Permission Application
Approved
2018-07-17
Excavation at basement level to enlarge existing basement.
43 Eaton Mews North London SW1X 8AS · premises record
Officer Sebastian Knox
Full Planning Permission Application
Approved
2018-04-14
Replacement of external air conditioning units and installation of acoustic timber enclosure on roof of Mews.
35 Eaton Mews North London SW1X 8AS · premises record
Officer Ian Corrie
Full Planning Permission Application
Refused
2016-05-04
Installation of an air conditioning unit within acoustic enclosure at roof level.
33 Eaton Mews North London SW1X 8AS · premises record
Officer Seana McCaffrey
Approved
2025-04-16
More
Full Planning Permission Application
Conversion of garage into habitable space and alterations to front ground floor fenestration including replacement garage door.
33 Eaton Mews North London SW1X 8AS · premises record
Officer Seana McCaffrey
Approved
2025-03-20
More
Full Planning Permission Application
Replacement of garage door with timber planked door, replacement of the existing door with a four panelled doors and fanlight, removal of the existing metal balustrade at first floor level with metal railings and lowering of the parapet at second floor level.
44 Eaton Mews North London SW1X 8AS · premises record
Officer Allison Borden
Approved
2023-12-21
More
Full Planning Permission Application
Show all 10 rows
Enlargement and replacement of a garage door with timber and glazed 'round the corner' garage door and new external lighting.
27 Eaton Mews North London SW1X 8AS · premises record
Officer Phoebe Graham
Approved
2021-10-22
More
Full Planning Permission Application
Details of garage doors pursuant to condition 4 of planning permission dated 12 February 2016 (RN: 15/10165/FULL).
43 Eaton Mews North London SW1X 8AS · premises record
Officer Nikki Mitchell
Approved
2019-04-24
More
Approval of Details (Full PP)
Installation of an acoustic enclosure to house two condenser units, works to an existing chimney, glazing to a lift overrun and relocation of a roof access hatch at main roof level.
43 Eaton Mews North London SW1X 8AS · premises record
Officer Sebastian Knox
Refused
2019-04-03
More
Full Planning Permission Application
Removal of Condition 4 of planning permission dated 21 June 2018 (RN: 18/03035/FULL) for the excavation at basement level to enlarge existing basement; Namely, to remove the requirement for the applicant or any other party to provide evidence that any implementation of the basement scheme will be bound by the council's Code of Construction Practice.
43 Eaton Mews North London SW1X 8AS · premises record
Officer Sebastian Knox
Approved
2018-08-07
More
Full Planning Permission Application
Replacement of garage door with timber planked door, replacement of the existing door with a four panelled doors and fanlight, removal of the existing metal balustrade at first floor level with metal railings, lowering of the parapet at second floor level, replacement of the stair from ground to second floor level, and sundry re-partitioning internally.
44 Eaton Mews North London SW1X 8AS · premises record
Officer Allison Borden
Approved
2018-07-17
More
Full Planning Permission Application
Excavation at basement level to enlarge existing basement.
43 Eaton Mews North London SW1X 8AS · premises record
Officer Sebastian Knox
Approved
2018-04-14
More
Full Planning Permission Application
Replacement of external air conditioning units and installation of acoustic timber enclosure on roof of Mews.
35 Eaton Mews North London SW1X 8AS · premises record
Officer Ian Corrie
Refused
2016-05-04
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
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.
Conservation Area
Belgravia · reference CONARA/1350 · covers 21 of 21 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
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.
Conservation Area
Belgravia · reference CONARA/1350 · 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 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 9 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 9 applications
Case officer on 4 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent78 applications and 77 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy14 EPC records; ratings C: 7, D: 3, E: 2, F: 1, 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
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.
8 intent signals recorded in this postcode
Charge registered · Portfolio seller · Price decline · EPC F/G · Long hold · 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.