Planning Atlas
AtlasPostcodeSW1X8BT
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Planning Atlas›Westminster›…Knightsbridge & Belgravia ward›SW1X 8BT
Postcode record · Westminster

SW1X 8BT.

SW1X 8BT has 42 known premises and 72 planning records — 45 approved of 49 decided (91.8%). 13 EPC records.

Postcode SW1X 8BT · boundary not held, centred on the postcodeApprovedRefusedOther72 on the map — every match
At a glance · this postcodeWestminster profile →
42
Premises
known addresses (UPRNs)
72
Applications
49 decided
91.8%
Approval rate
45 approved · 4 refused
13
EPC records
ratings C 5 · D 8
72
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 8BT has 42 known premises and 72 planning records — 45 approved of 49 decided (91.8%). 13 EPC records.

Premises (18 of 42 shown)

Name
Details
UPRN 10033549546
UPRN 10033556976
UPRN 10033580323
UPRN 10033582730
UPRN 10033582790
UPRN 10033600376
UPRN 10033600377
UPRN 100022725514
UPRN 100022725515
UPRN 100022725516
UPRN 10033549546
UPRN 10033556976
UPRN 10033580323
Show all 10 rows
UPRN 10033582730
UPRN 10033582790
UPRN 10033600376
UPRN 10033600377
UPRN 100022725514
UPRN 100022725515
UPRN 100022725516
Planning

What happened?

72 planning applications across the postcode; 45 approved of 49 decided (91.8%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Details of a validation report pursuant to condition 5 (Phase 4) of planning permission dated 8th February 2024 (RN:23/08449/FULL).
34 Belgrave Mews South London SW1X 8BT · premises record
Approval of Details (Full PP)
Approved
2025-11-17
Amendments to planning permission dated 27th August 2024 (RN:24/03215/FULL) for: Demolition behind retained front facade and construction of replacement house including replacement rear extension and terrace at lower height with new shallow balcony at second floor level; replacement of the fenestration and the roof of the existing mansard to include inset PV panels and an enclosed plant deck; and reposition front door with shallower porch. NAMELY, to allow amendments to ground floor rear fenestration.
1 - 3 Belgrave Mews South London SW1X 8BT · premises record
Applicant Aamena Ahmad · Agent Firstplan · Officer Morgan Cheung
Non-material amendments
Approved
2025-10-13
Details of elevation and section drawings showing the new doors and windows pursuant to Condition 4 of planning permission dated 27th August 2024 (RN 24/03215/FULL)
1 - 3 Belgrave Mews South London SW1X 8BT · premises record
Applicant Aamena Ahmad · Agent Firstplan · Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2025-03-20
Details of Code of Construction Practice pursuant to condition 4 of planning permission dated 08 February 2024 (RN: 23/08449/FULL).
34 Belgrave Mews South London SW1X 8BT · premises record
Applicant Torr · Agent Lewis Stroud Architects Ltd · Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2025-01-30
Installation of an air conditioning condenser unit within an acoustic enclosure at first floor terrace level.
34 Belgrave Mews South London SW1X 8BT · premises record
Full
Approved
2024-08-28
Details of contaminated land remediation pursuant to Condition 5 (Phase 3 remediation strategy) of planning permission dated 8 February 2024 (RN 23/08449/FULL)
34 Belgrave Mews South London SW1X 8BT · premises record
Approval of Details (Full PP)
Approved
2024-03-08
Erection of single storey mansard roof extension to dwelling house.
30 Belgrave Mews South London SW1X 8BT · premises record
Full Planning Permission Application
Refused
2024-02-07
Erection of a mansard roof extension and the formation of first-floor terrace above ground floor extension and erection of a first floor rear extension with a flat roof.
34 Belgrave Mews South London SW1X 8BT · premises record
Full Planning Permission Application
Approved
2024-02-07
Excavation to form a subterranean/basement extension with lightwell to rear and extensions at rear ground and first floor levels.
34 Belgrave Mews South London SW1X 8BT · premises record
Full
Unknown
2023-12-05
Erection of a new mansard extension, and replacement of external windows.
34 Belgrave Mews South London SW1X 8BT · premises record
Full Planning Permission Application
Approved
2023-11-21
Details of a validation report pursuant to condition 5 (Phase 4) of planning permission dated 8th February 2024 (RN:23/08449/FULL).
34 Belgrave Mews South London SW1X 8BT · premises record
Approved
2025-11-17
More
Approval of Details (Full PP)
Amendments to planning permission dated 27th August 2024 (RN:24/03215/FULL) for: Demolition behind retained front facade and construction of replacement house including replacement rear extension and terrace at lower height with new shallow balcony at second floor level; replacement of the fenestration and the roof of the existing mansard to include inset PV panels and an enclosed plant deck; and reposition front door with shallower porch. NAMELY, to allow amendments to ground floor rear fenestration.
1 - 3 Belgrave Mews South London SW1X 8BT · premises record
Applicant Aamena Ahmad · Agent Firstplan · Officer Morgan Cheung
Approved
2025-10-13
More
Non-material amendments
Details of elevation and section drawings showing the new doors and windows pursuant to Condition 4 of planning permission dated 27th August 2024 (RN 24/03215/FULL)
1 - 3 Belgrave Mews South London SW1X 8BT · premises record
Applicant Aamena Ahmad · Agent Firstplan · Officer Nikki Mitchell
Approved
2025-03-20
More
Approval of Details (Full PP)
Show all 10 rows
Details of Code of Construction Practice pursuant to condition 4 of planning permission dated 08 February 2024 (RN: 23/08449/FULL).
34 Belgrave Mews South London SW1X 8BT · premises record
Applicant Torr · Agent Lewis Stroud Architects Ltd · Officer Nikki Mitchell
Approved
2025-01-30
More
Approval of Details (Full PP)
Installation of an air conditioning condenser unit within an acoustic enclosure at first floor terrace level.
34 Belgrave Mews South London SW1X 8BT · premises record
Approved
2024-08-28
More
Full
Details of contaminated land remediation pursuant to Condition 5 (Phase 3 remediation strategy) of planning permission dated 8 February 2024 (RN 23/08449/FULL)
34 Belgrave Mews South London SW1X 8BT · premises record
Approved
2024-03-08
More
Approval of Details (Full PP)
Erection of single storey mansard roof extension to dwelling house.
30 Belgrave Mews South London SW1X 8BT · premises record
Refused
2024-02-07
More
Full Planning Permission Application
Erection of a mansard roof extension and the formation of first-floor terrace above ground floor extension and erection of a first floor rear extension with a flat roof.
34 Belgrave Mews South London SW1X 8BT · premises record
Approved
2024-02-07
More
Full Planning Permission Application
Excavation to form a subterranean/basement extension with lightwell to rear and extensions at rear ground and first floor levels.
34 Belgrave Mews South London SW1X 8BT · premises record
Unknown
2023-12-05
More
Full
Erection of a new mansard extension, and replacement of external windows.
34 Belgrave Mews South London SW1X 8BT · premises record
Approved
2023-11-21
More
Full Planning Permission Application

Building control

Building-control applications and notices in this postcode, from the council register.

Name
Details
Internal Alterations, reconfiguration of existing 3-storey dwelling house including basement, remodelling of rear extension and creation of rear terraces. · received 22 May 2024 · Quadrant Approved Inspectors
Domestic basement and mansard extension and two storey extension. · received 18 Mar 2024 · OnSite Building Control Ltd
Reconfiguration of existing ground and first floor duplex The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A). · received 5 Feb 2021
The front facade, Party walls to the Left & Right sides & existing basement areas to remain as they are. Demolish & clear the rear fa�ade & rear 2 storey extension, internal walls & floors, plus the main roof construction. · Engel Construction
Internal Alterations, reconfiguration of existing 3-storey dwelling house including basement, remodelling of rear extension and creation of rear terraces. · received 22 May 2024 · Quadrant Approved Inspectors
Domestic basement and mansard extension and two storey extension. · received 18 Mar 2024 · OnSite Building Control Ltd
Reconfiguration of existing ground and first floor duplex The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A). · received 5 Feb 2021
Show all 4 rows
The front facade, Party walls to the Left & Right sides & existing basement areas to remain as they are. Demolish & clear the rear fa�ade & rear 2 storey extension, internal walls & floors, plus the main roof construction. · Engel Construction
Place

What affects it?

Every mapped designation touching a premises in this postcode, with how many of its 42 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 42 of 42 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 42 of 42 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 24 of 42 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 42 of 42 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 42 of 42 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 24 of 42 premises. London Plan policies for the Central Activities Zone may apply.
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 9 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 2 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 9 applications
Applicant on 3 applications
Applicant on 3 applications
Show all 10 rows
Applicant on 2 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
Development

What could it become?

Planning precedent72 applications and 72 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 5, D: 8.
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 Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

5 intent signals recorded in this postcode
Beatable refusal · Repeat sale · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.