Postcode record · Westminster
SW1X 8HT.
SW1X 8HT has 18 known premises and 50 planning records — 33 approved of 38 decided (86.8%). 5 EPC records.
Postcode SW1X 8HT · boundary not held, centred on the postcodeApprovedRefusedOther50 on the map — every match
At a glance · this postcodeWestminster profile →
18
Premises
known addresses (UPRNs)
50
Applications
38 decided
86.8%
Approval rate
33 approved · 5 refused
74 days
Median decision time
average 100 days · 44 dated decisions
5
EPC records
ratings B 1 · C 2 · D 1 · E 1
50
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 8HT has 18 known premises and 50 planning records — 33 approved of 38 decided (86.8%). 5 EPC records.
Premises
Name
Details
UPRN 10033523637
UPRN 10033549547
UPRN 10033600375
UPRN 10033631611
UPRN 10033661222
UPRN 100022725540
UPRN 100022725541
UPRN 100022725542
UPRN 100022725543
UPRN 100022725544
UPRN 10033523637
UPRN 10033549547
UPRN 10033600375
Show all 10 rows
UPRN 10033631611
UPRN 10033661222
UPRN 100022725540
UPRN 100022725541
UPRN 100022725542
UPRN 100022725543
UPRN 100022725544
Planning
What happened?
50 planning applications across the postcode; 33 approved of 38 decided (86.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of an air source heat pump at roof level.
4A Belgrave Mews West London SW1X 8HT · premises record
Officer Morgan Cheung
Certificate of Lawfulness (proposed)
Refused
2025-08-12
Details of Code of Construction Practice pursuant to condition 3 of planning permission dated 14 March 2025 (RN: 24/01368/FULL).
17 Belgrave Mews West London SW1X 8HT · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2025-03-27
Installation of an air source heat pump.
4A Belgrave Mews West London SW1X 8HT · premises record
Officer Morgan Cheung
Full Planning Permission Application
Withdrawn
2024-06-25
Excavation of new basement and construction of a roof extension, including alterations and extension to existing mews dwelling, all in connection with the use of the 17 Belgrave Mews West and 17 Belgrave Square as two separate single family dwelling houses.
17 Belgrave Mews West London SW1X 8HT · premises record
Officer Morgan Cheung
Full Planning Permission Application
Approved
2024-03-01
Replacement windows at ground, first and second floor level; widening of entrance portico and replacement entrance door; new timber garage doors; alterations to second floor terrace including new roof lights and installation of solar panels at roof level.
4A Belgrave Mews West London SW1X 8HT · premises record
Full
Approved
2022-12-06
Amendments to planning permission dated 4 August 2014 (RN: 14/02536) for: Variation of Condition 1 of planning permission dated 23 April 2013 (RN: 13/01132) for extension of time for the commencement of development granted planning permission on 9 October 2008 (extant permission: (RN: 07/07811) for partial demolition and redevelopment of mews building to comprise of lower ground, ground, first and second floors; alterations to front and rear fenestration; and excavation at lower ground floor level, namely, installation of air conditioning unit on flat roof to rear, photo-voltaic panels to roof and alterations to front door. Namely, revised dimensions to (already approved) acoustic enclosure to air conditioning units.
14 Belgrave Mews West London SW1X 8HT · premises record
Officer Vincent Nally
Non-material amendments
Approved
2018-07-12
Details of the flue outlet vents proposed at roof level and a supplementary acoustic report pursuant to Condition 6 of planning permission dated 12 May 2016 (RN: 16/02661/FULL)
1 Belgrave Mews West London SW1X 8HT · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2018-04-25
Details of Construction Management Plan pursuant to condition 9 of planning permission dated 15 July 2014 (RN: 13/12220)
16 Belgrave Mews West London SW1X 8HT · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2017-03-31
Details of acoustic report pursuant to Condition 13 of planning permission dated 4 June 2015 (RN: 15/00886/FULL).
5 Belgrave Mews West London SW1X 8HT · premises record
Officer Sebastian Knox
Approval of Details (Full PP)
Withdrawn
2016-09-12
Details of construction management plan pursuant to Condition 10 of planning permission dated 13 January 2015 (RN: 14/09817/FULL).
5 Belgrave Mews West London SW1X 8HT · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2016-09-05
Installation of an air source heat pump at roof level.
4A Belgrave Mews West London SW1X 8HT · premises record
Officer Morgan Cheung
Refused
2025-08-12
More
Certificate of Lawfulness (proposed)
Details of Code of Construction Practice pursuant to condition 3 of planning permission dated 14 March 2025 (RN: 24/01368/FULL).
17 Belgrave Mews West London SW1X 8HT · premises record
Officer Nikki Mitchell
Approved
2025-03-27
More
Approval of Details (Full PP)
Installation of an air source heat pump.
4A Belgrave Mews West London SW1X 8HT · premises record
Officer Morgan Cheung
Withdrawn
2024-06-25
More
Full Planning Permission Application
Show all 10 rows
Excavation of new basement and construction of a roof extension, including alterations and extension to existing mews dwelling, all in connection with the use of the 17 Belgrave Mews West and 17 Belgrave Square as two separate single family dwelling houses.
17 Belgrave Mews West London SW1X 8HT · premises record
Officer Morgan Cheung
Approved
2024-03-01
More
Full Planning Permission Application
Replacement windows at ground, first and second floor level; widening of entrance portico and replacement entrance door; new timber garage doors; alterations to second floor terrace including new roof lights and installation of solar panels at roof level.
4A Belgrave Mews West London SW1X 8HT · premises record
Approved
2022-12-06
More
Full
Amendments to planning permission dated 4 August 2014 (RN: 14/02536) for: Variation of Condition 1 of planning permission dated 23 April 2013 (RN: 13/01132) for extension of time for the commencement of development granted planning permission on 9 October 2008 (extant permission: (RN: 07/07811) for partial demolition and redevelopment of mews building to comprise of lower ground, ground, first and second floors; alterations to front and rear fenestration; and excavation at lower ground floor level, namely, installation of air conditioning unit on flat roof to rear, photo-voltaic panels to roof and alterations to front door. Namely, revised dimensions to (already approved) acoustic enclosure to air conditioning units.
14 Belgrave Mews West London SW1X 8HT · premises record
Officer Vincent Nally
Approved
2018-07-12
More
Non-material amendments
Details of the flue outlet vents proposed at roof level and a supplementary acoustic report pursuant to Condition 6 of planning permission dated 12 May 2016 (RN: 16/02661/FULL)
1 Belgrave Mews West London SW1X 8HT · premises record
Officer Nikki Mitchell
Approved
2018-04-25
More
Approval of Details (Full PP)
Details of Construction Management Plan pursuant to condition 9 of planning permission dated 15 July 2014 (RN: 13/12220)
16 Belgrave Mews West London SW1X 8HT · premises record
Officer Nikki Mitchell
Approved
2017-03-31
More
Approval of Details (Full PP)
Details of acoustic report pursuant to Condition 13 of planning permission dated 4 June 2015 (RN: 15/00886/FULL).
5 Belgrave Mews West London SW1X 8HT · premises record
Officer Sebastian Knox
Withdrawn
2016-09-12
More
Approval of Details (Full PP)
Details of construction management plan pursuant to Condition 10 of planning permission dated 13 January 2015 (RN: 14/09817/FULL).
5 Belgrave Mews West London SW1X 8HT · premises record
Officer Nikki Mitchell
Approved
2016-09-05
More
Approval of Details (Full PP)
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 18 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 9 of 18 premises. London Plan policies for the Central Activities Zone may apply.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 9 of 18 premises. London Plan policies for the Central Activities Zone may apply.
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 8 applications
Case officer on 7 applications
Case officer on 5 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 8 applications
Case officer on 7 applications
Case officer on 5 applications
Show all 8 rows
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
Development
What could it become?
Planning precedent50 applications and 50 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy5 EPC records; ratings B: 1, C: 2, D: 1, E: 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.
4 intent signals recorded in this postcode
Application withdrawn · 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.