Postcode record · Westminster
SW1X 8DN.
SW1X 8DN has 6 known premises and 14 planning records — 13 approved of 13 decided (100%). 4 EPC records.
Postcode SW1X 8DN · boundary not held, centred on the postcodeApprovedRefusedOther33 on the map — every match
At a glance · this postcodeWestminster profile →
6
Premises
known addresses (UPRNs)
14
Applications
13 decided
100%
Approval rate
13 approved · 0 refused
66 days
Median decision time
average 111 days · 14 dated decisions
4
EPC records
ratings D 2 · E 2
33
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 8DN has 6 known premises and 14 planning records — 13 approved of 13 decided (100%). 4 EPC records.
Premises
Name
Details
UPRN 10033550209
UPRN 100022734502
UPRN 100022734503
UPRN 100022734504
UPRN 100022734505
UPRN 100023348469
UPRN 10033550209
UPRN 100022734502
UPRN 100022734503
Show all 6 rows
UPRN 100022734504
UPRN 100022734505
UPRN 100023348469
Planning
What happened?
14 planning applications across the postcode; 13 approved of 13 decided (100%). Latest 14 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of roof extension and external alterations.
3 Chesham Close London SW1X 8DN · premises record
Officer Jonathon Metcalfe
Full Planning Permission Application
Approved
2024-05-16
Repositioning of roof access and associated works
1 Chesham Close London SW1X 8DN · premises record
Officer Heidi Pearce
Full Planning Permission Application
Approved
2023-05-26
Demolition of existing garage doors and installation of new bay window to the Lyall Mews elevation, in connection with the conversion of existing garage into a habitable room.
4 Chesham Close London SW1X 8DN · premises record
Officer Morgan Cheung
Full Planning Permission Application
Approved
2022-08-19
Installation of air-conditioning condenser unit and associated acoustic enclosure to flat roof
3 Chesham Close London SW1X 8DN · premises record
Officer Joshua Howitt
Full Planning Permission Application
Approved
2017-03-10
Insertion of windows to side elevations and installation of balustrading and sliding glass hatch at roof level to create roof terrace.
4 Chesham Close London SW1X 8DN · premises record
Officer Renee Clarke
Full Planning Permission Application
Approved
2014-11-19
Extension of time for the commencement of development granted planning permission on 29 July 2010 (RN: 09/01257) for erection of rear extension from ground to second floor level for new lift and associated alterations.
4 Chesham Close London SW1X 8DN · premises record
Officer Vincent Nally
Full Planning Permission Application
Approved
2013-06-03
Extension of time for the commencement of development granted planning permission on 13 January 2009 for insertion of windows to side elevations and installation of balustrading and sliding glass access hatch at roof level to create a roof terrace (extant permission: RN: 08/07316/FULL).
4 Chesham Close London SW1X 8DN · premises record
Officer Kimberley Davies
Full Planning Permission Application
Approved
2011-11-14
Details of construction management plan pursuant to Condition 4 of planning permission dated 04 April 2011 (RN: 10/09788).
2 Chesham Close London SW1X 8DN · premises record
Officer Claragh Mulhern
Approval of Details (Full PP)
Approved
2011-08-11
Excavation beneath dwelling to form new basement floor level and enlargement of existing window at rear ground floor level.
2 Chesham Close London SW1X 8DN · premises record
Officer Claragh Mulhern
Conservation Area Consent Appl (CAC)
Withdrawn
2010-11-15
Excavation beneath dwelling to form new basement floor level and enlargement of existing window at rear ground floor level.
2 Chesham Close London SW1X 8DN · premises record
Full
Approved
2010-11-15
Erection of roof extension and external alterations.
3 Chesham Close London SW1X 8DN · premises record
Officer Jonathon Metcalfe
Approved
2024-05-16
More
Full Planning Permission Application
Repositioning of roof access and associated works
1 Chesham Close London SW1X 8DN · premises record
Officer Heidi Pearce
Approved
2023-05-26
More
Full Planning Permission Application
Demolition of existing garage doors and installation of new bay window to the Lyall Mews elevation, in connection with the conversion of existing garage into a habitable room.
4 Chesham Close London SW1X 8DN · premises record
Officer Morgan Cheung
Approved
2022-08-19
More
Full Planning Permission Application
Show all 10 rows
Installation of air-conditioning condenser unit and associated acoustic enclosure to flat roof
3 Chesham Close London SW1X 8DN · premises record
Officer Joshua Howitt
Approved
2017-03-10
More
Full Planning Permission Application
Insertion of windows to side elevations and installation of balustrading and sliding glass hatch at roof level to create roof terrace.
4 Chesham Close London SW1X 8DN · premises record
Officer Renee Clarke
Approved
2014-11-19
More
Full Planning Permission Application
Extension of time for the commencement of development granted planning permission on 29 July 2010 (RN: 09/01257) for erection of rear extension from ground to second floor level for new lift and associated alterations.
4 Chesham Close London SW1X 8DN · premises record
Officer Vincent Nally
Approved
2013-06-03
More
Full Planning Permission Application
Extension of time for the commencement of development granted planning permission on 13 January 2009 for insertion of windows to side elevations and installation of balustrading and sliding glass access hatch at roof level to create a roof terrace (extant permission: RN: 08/07316/FULL).
4 Chesham Close London SW1X 8DN · premises record
Officer Kimberley Davies
Approved
2011-11-14
More
Full Planning Permission Application
Details of construction management plan pursuant to Condition 4 of planning permission dated 04 April 2011 (RN: 10/09788).
2 Chesham Close London SW1X 8DN · premises record
Officer Claragh Mulhern
Approved
2011-08-11
More
Approval of Details (Full PP)
Excavation beneath dwelling to form new basement floor level and enlargement of existing window at rear ground floor level.
2 Chesham Close London SW1X 8DN · premises record
Officer Claragh Mulhern
Withdrawn
2010-11-15
More
Conservation Area Consent Appl (CAC)
Excavation beneath dwelling to form new basement floor level and enlargement of existing window at rear ground floor level.
2 Chesham Close London SW1X 8DN · premises record
Approved
2010-11-15
More
Full
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 6 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 6 of 6 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 6 of 6 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 6 of 6 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 6 of 6 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 14 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 4 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 1 application
Case officer on 1 application
Case officer on 4 applications
Case officer on 2 applications
Case officer on 1 application
Show all 9 rows
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 1 application
Development
What could it become?
Planning precedent14 applications and 33 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy4 EPC records; ratings D: 2, E: 2.
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.
4 intent signals recorded in this postcode
Lapsed consent · Price decline
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.