Postcode record · Westminster
SW1X 7AL.
SW1X 7AL has 21 known premises and 43 planning records — 33 approved of 34 decided (97.1%). 13 EPC records.
Postcode SW1X 7AL · boundary not held, centred on the postcodeApprovedRefusedOther43 exact43 on the map — every match
At a glance · this postcodeWestminster profile →
21
Premises
known addresses (UPRNs)
43
Applications
34 decided
97.1%
Approval rate
33 approved · 1 refused
13
EPC records
ratings B 4 · C 2 · D 4 · E 3
43
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 7AL has 21 known premises and 43 planning records — 33 approved of 34 decided (97.1%). 13 EPC records.
Premises (18 of 21 shown)
Name
Details
UPRN 10033523679
UPRN 10033537511
UPRN 10033547508
UPRN 10033589459
UPRN 10033651814
UPRN 10033651815
UPRN 100022774322
UPRN 100022774323
UPRN 100022774324
UPRN 100022774325
UPRN 10033523679
UPRN 10033537511
UPRN 10033547508
Show all 10 rows
UPRN 10033589459
UPRN 10033651814
UPRN 10033651815
UPRN 100022774322
UPRN 100022774323
UPRN 100022774324
UPRN 100022774325
Planning
What happened?
43 planning applications across the postcode; 33 approved of 34 decided (97.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details plans and elevations of all new external doors, windows and rooflights pursuant to condition 5 of planning permission dated 31 July 2024 (RN: 23/07308/FULL)
9 Little Chester Street London SW1X 7AL · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2026-02-13
Installation of 1no. external air conditioning unit to the roof.
9 Little Chester Street London SW1X 7AL · premises record
Full Planning Permission Application
Withdrawn
2024-08-16
Installation of two external condensers within acoustic enclosures at roof level.
7 Little Chester Street London SW1X 7AL · premises record
Officer Morgan Cheung
Full Planning Permission Application
Approved
2023-12-15
Extension and enlargement of rear first floor outrigger and creation of roof terrace above at second floor level, removal of rear dormer and replacement with an enlarged rear dormer with two roof lights at roof level, alterations to windows and doors on front and rear elevations including replacement of single-glazed timber windows with like-for-like double glazing, and associated fa�ade alterations.
9 Little Chester Street London SW1X 7AL · premises record
Officer Charles Cooksley
Full Planning Permission Application
Approved
2023-10-20
Installation of two external condensers within acoustic enclosures at first floor flat roof level.
7 Little Chester Street London SW1X 7AL · premises record
Full Planning Permission Application
Withdrawn
2023-09-22
Details of section drawings demonstrating that the first-floor extension will be independent of the boundary wall to No. 24 Chester Street and detailed drawings and a biodiversity management plan in relation to the green roof, pursuant to Conditions 4 and 8 of planning permission dated 25 May 2023 (RN 23/00475/FULL)
7 Little Chester Street London SW1X 7AL · premises record
Officer Morgan Cheung
Approval of Details (Full PP)
Approved
2023-06-30
Alterations to the paving/curb at the front of the property, following approval of the widening of the garage opening within approved planning application 22/02084/FULL.
7 Little Chester Street London SW1X 7AL · premises record
Officer South Planning Team
Full Planning Permission Application
No determination
2023-03-01
Detailed sections demonstrating the first-floor extension will be independent of boundary wall to No. 24 Chester Street pursuant to Condition 4 of planning permission dated 24 January 2023 (RN 22/06943/FULL)
7 Little Chester Street London SW1X 7AL · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2023-02-23
Variation of condition 1 of planning permission dated 24th January 2023 (RN:22/06943/FULL) for the Variation of condition 1 of planning permission dated 05 July 2022 (ref. 22/02084/FULL) for 'Extensions to the rear of the building, comprising a ground floor conservatory, two ground floor partial infill extensions of existing courtyards, and first floor extensions. Associated alterations to fenestration and rooflights from RN: 22/06943/FULL. Namely, reducing the number of lightwells to one, replacing the sloped roof with an extension of the sedum flat roof, and moving the consented rooflight from the pitched roof to the flat roof.
7 Little Chester Street London SW1X 7AL · premises record
Full Planning Permission Application
Approved
2023-01-25
Variation of condition 1 of planning permission dated 05 July 2022 (ref. 22/02084/FULL) for 'Extensions to the rear of the building, comprising a ground floor conservatory, two ground floor partial infill extensions of existing courtyards, and first floor extensions. Associated alterations to fenestration and rooflights'. NAMELY, to allow amendments to consented drawings, including provision of a green roof, alteration to first floor window, new rooflight in bedroom, glass conservatory roof replaced with a flat roof and rooflight.
7 Little Chester Street London SW1X 7AL · premises record
Officer Morgan Cheung
Full Planning Permission Application
Approved
2022-10-13
Details plans and elevations of all new external doors, windows and rooflights pursuant to condition 5 of planning permission dated 31 July 2024 (RN: 23/07308/FULL)
9 Little Chester Street London SW1X 7AL · premises record
Officer Nikki Mitchell
Approved
2026-02-13
More
Approval of Details (Full PP)
Installation of 1no. external air conditioning unit to the roof.
9 Little Chester Street London SW1X 7AL · premises record
Withdrawn
2024-08-16
More
Full Planning Permission Application
Installation of two external condensers within acoustic enclosures at roof level.
7 Little Chester Street London SW1X 7AL · premises record
Officer Morgan Cheung
Approved
2023-12-15
More
Full Planning Permission Application
Show all 10 rows
Extension and enlargement of rear first floor outrigger and creation of roof terrace above at second floor level, removal of rear dormer and replacement with an enlarged rear dormer with two roof lights at roof level, alterations to windows and doors on front and rear elevations including replacement of single-glazed timber windows with like-for-like double glazing, and associated fa�ade alterations.
9 Little Chester Street London SW1X 7AL · premises record
Officer Charles Cooksley
Approved
2023-10-20
More
Full Planning Permission Application
Installation of two external condensers within acoustic enclosures at first floor flat roof level.
7 Little Chester Street London SW1X 7AL · premises record
Withdrawn
2023-09-22
More
Full Planning Permission Application
Details of section drawings demonstrating that the first-floor extension will be independent of the boundary wall to No. 24 Chester Street and detailed drawings and a biodiversity management plan in relation to the green roof, pursuant to Conditions 4 and 8 of planning permission dated 25 May 2023 (RN 23/00475/FULL)
7 Little Chester Street London SW1X 7AL · premises record
Officer Morgan Cheung
Approved
2023-06-30
More
Approval of Details (Full PP)
Alterations to the paving/curb at the front of the property, following approval of the widening of the garage opening within approved planning application 22/02084/FULL.
7 Little Chester Street London SW1X 7AL · premises record
Officer South Planning Team
No determination
2023-03-01
More
Full Planning Permission Application
Detailed sections demonstrating the first-floor extension will be independent of boundary wall to No. 24 Chester Street pursuant to Condition 4 of planning permission dated 24 January 2023 (RN 22/06943/FULL)
7 Little Chester Street London SW1X 7AL · premises record
Officer Nikki Mitchell
Approved
2023-02-23
More
Approval of Details (Full PP)
Variation of condition 1 of planning permission dated 24th January 2023 (RN:22/06943/FULL) for the Variation of condition 1 of planning permission dated 05 July 2022 (ref. 22/02084/FULL) for 'Extensions to the rear of the building, comprising a ground floor conservatory, two ground floor partial infill extensions of existing courtyards, and first floor extensions. Associated alterations to fenestration and rooflights from RN: 22/06943/FULL. Namely, reducing the number of lightwells to one, replacing the sloped roof with an extension of the sedum flat roof, and moving the consented rooflight from the pitched roof to the flat roof.
7 Little Chester Street London SW1X 7AL · premises record
Approved
2023-01-25
More
Full Planning Permission Application
Variation of condition 1 of planning permission dated 05 July 2022 (ref. 22/02084/FULL) for 'Extensions to the rear of the building, comprising a ground floor conservatory, two ground floor partial infill extensions of existing courtyards, and first floor extensions. Associated alterations to fenestration and rooflights'. NAMELY, to allow amendments to consented drawings, including provision of a green roof, alteration to first floor window, new rooflight in bedroom, glass conservatory roof replaced with a flat roof and rooflight.
7 Little Chester Street London SW1X 7AL · premises record
Officer Morgan Cheung
Approved
2022-10-13
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
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Agent on 3 applications
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Case officer on 6 applications
Case officer on 5 applications
Case officer on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Agent on 3 applications
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Case officer on 6 applications
Case officer on 5 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent43 applications and 43 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings B: 4, C: 2, D: 4, E: 3.
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.