Postcode record · Westminster
SW7 1ET.
SW7 1ET has 27 known premises and 28 planning records — 19 approved of 23 decided (82.6%). 9 EPC records.
Postcode SW7 1ET · boundary not held, centred on the postcodeApprovedRefusedOther28 on the map — every match
At a glance · this postcodeWestminster profile →
27
Premises
known addresses (UPRNs)
28
Applications
23 decided
82.6%
Approval rate
19 approved · 4 refused
92 days
Median decision time
average 119 days · 28 dated decisions
9
EPC records
ratings C 3 · D 3 · E 3
28
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?
SW7 1ET has 27 known premises and 28 planning records — 19 approved of 23 decided (82.6%). 9 EPC records.
Premises (18 of 27 shown)
Name
Details
UPRN 10033523660
UPRN 10033558622
UPRN 10033558623
UPRN 10033574852
UPRN 10033574854
UPRN 10033579834
UPRN 10033579835
UPRN 10033581948
UPRN 10033631633
UPRN 10033631634
UPRN 10033523660
UPRN 10033558622
UPRN 10033558623
Show all 10 rows
UPRN 10033574852
UPRN 10033574854
UPRN 10033579834
UPRN 10033579835
UPRN 10033581948
UPRN 10033631633
UPRN 10033631634
Planning
What happened?
28 planning applications across the postcode; 19 approved of 23 decided (82.6%). Latest 28 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details of new windows and external doors; plant noise and supplementary acoustic report: sound insulation measures and Noise Assessment Report; and details of refuse & recycling pursuant to Conditions 3 (part A and B), 6, 7, 9, 11, 12 and 13 of planning permission dated 02 September 2021 (RN21/02770/FULL)
12 - 13 Relton Mews London SW7 1ET · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2025-04-17
Details of MVHR points, window details and obscure tinted glazing pursuant to Condition 5, 6 and 7 of planning permission dated 06 December 2023 (RN: 23/04478/FULL).
4 Relton Mews London SW7 1ET · premises record
Officer Jonathon Metcalfe
Approval of Details (Full PP)
Approved
2024-03-28
Extension of roof level dormers, installation of new glazed roof at main roof level to enclose rear lightwell, and new ground floor timber sash window and timber door, in connection with provision of additional floorspace at ground, first and second floor levels.
4 Relton Mews London SW7 1ET · premises record
Full
Unknown
2023-07-01
Change of use from office (Class E) at ground, first and second floor levels and reconfiguration of existing third floor flat to provide two duplex 3-bedroom dwellings (Class C3); installation of three replacement air-conditioning units within acoustic screen on roof and associated external alterations.
12 - 13 Relton Mews London SW7 1ET · premises record
Officer Seana McCaffrey
Full Planning Permission Application
Approved
2021-04-28
Variation of condition 4 of Planning Permission dated 1 March 2016 (RN: 15/03235/FULL) for 'Installation of two side dormer windows at roof level to enlarge single family dwellinghouse'. Namely, to vary the wording of condition 4 regarding the installation of obscure glazing in the rear dormer windows.
2 Relton Mews London SW7 1ET · premises record
Officer Jonathon Metcalfe
Full Planning Permission Application
Approved
2019-10-04
Details of sample of the glass pursuant to condition 4 of planning permission dated 01 March 2016 (RN: 15/03235/FULL).
2 Relton Mews London SW7 1ET · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Refused
2019-07-11
Excavation of single storey basement under the house and erection of infill extension to internal lightwell at ground floor, in connection with the enlargement of an existing single family dwelling house; alterations to the front and rear elevations, including new garage door, new entrance door, replacement rear windows, and installation of rooflights.
4 Relton Mews London SW7 1ET · premises record
Full
Approved
2016-12-26
1 x Cherry tree: Crown reduction by 10-20% and reshape plus bring side of cherry tree away from properties.
7 Relton Mews London SW7 1ET · premises record
Officer Barbara Milne
Applic. for works to trees in CA
No objection
2016-07-11
Extension of existing roof dormers and enclosure of rear lightwell at ground floor level.
6 Relton Mews London SW7 1ET · premises record
Officer Joe Whitworth
Full Planning Permission Application
Approved
2016-05-31
Variation of Condition 1 of planning permission dated 12 November 2013 (RN: 13/07181/FULL) for Excavation of single storey basement beneath footprint of property. Installation of a new condenser unit at rear first floor level. Namely, to vary the approved drawings to allow removal of garage and reconfiguration of internal layout, existing garage door removed and opening infilled, existing front door relocated 170mm to align with first floor window and existing lightwell window replaced with double door set at first floor level.
11 Relton Mews London SW7 1ET · premises record
Officer Joshua Howitt
Full Planning Permission Application
Approved
2016-05-09
Details of new windows and external doors; plant noise and supplementary acoustic report: sound insulation measures and Noise Assessment Report; and details of refuse & recycling pursuant to Conditions 3 (part A and B), 6, 7, 9, 11, 12 and 13 of planning permission dated 02 September 2021 (RN21/02770/FULL)
12 - 13 Relton Mews London SW7 1ET · premises record
Officer Nikki Mitchell
Approved
2025-04-17
More
Approval of Details (Full PP)
Details of MVHR points, window details and obscure tinted glazing pursuant to Condition 5, 6 and 7 of planning permission dated 06 December 2023 (RN: 23/04478/FULL).
4 Relton Mews London SW7 1ET · premises record
Officer Jonathon Metcalfe
Approved
2024-03-28
More
Approval of Details (Full PP)
Extension of roof level dormers, installation of new glazed roof at main roof level to enclose rear lightwell, and new ground floor timber sash window and timber door, in connection with provision of additional floorspace at ground, first and second floor levels.
4 Relton Mews London SW7 1ET · premises record
Unknown
2023-07-01
More
Full
Show all 10 rows
Change of use from office (Class E) at ground, first and second floor levels and reconfiguration of existing third floor flat to provide two duplex 3-bedroom dwellings (Class C3); installation of three replacement air-conditioning units within acoustic screen on roof and associated external alterations.
12 - 13 Relton Mews London SW7 1ET · premises record
Officer Seana McCaffrey
Approved
2021-04-28
More
Full Planning Permission Application
Variation of condition 4 of Planning Permission dated 1 March 2016 (RN: 15/03235/FULL) for 'Installation of two side dormer windows at roof level to enlarge single family dwellinghouse'. Namely, to vary the wording of condition 4 regarding the installation of obscure glazing in the rear dormer windows.
2 Relton Mews London SW7 1ET · premises record
Officer Jonathon Metcalfe
Approved
2019-10-04
More
Full Planning Permission Application
Details of sample of the glass pursuant to condition 4 of planning permission dated 01 March 2016 (RN: 15/03235/FULL).
2 Relton Mews London SW7 1ET · premises record
Officer Nikki Mitchell
Refused
2019-07-11
More
Approval of Details (Full PP)
Excavation of single storey basement under the house and erection of infill extension to internal lightwell at ground floor, in connection with the enlargement of an existing single family dwelling house; alterations to the front and rear elevations, including new garage door, new entrance door, replacement rear windows, and installation of rooflights.
4 Relton Mews London SW7 1ET · premises record
Approved
2016-12-26
More
Full
1 x Cherry tree: Crown reduction by 10-20% and reshape plus bring side of cherry tree away from properties.
7 Relton Mews London SW7 1ET · premises record
Officer Barbara Milne
No objection
2016-07-11
More
Applic. for works to trees in CA
Extension of existing roof dormers and enclosure of rear lightwell at ground floor level.
6 Relton Mews London SW7 1ET · premises record
Officer Joe Whitworth
Approved
2016-05-31
More
Full Planning Permission Application
Variation of Condition 1 of planning permission dated 12 November 2013 (RN: 13/07181/FULL) for Excavation of single storey basement beneath footprint of property. Installation of a new condenser unit at rear first floor level. Namely, to vary the approved drawings to allow removal of garage and reconfiguration of internal layout, existing garage door removed and opening infilled, existing front door relocated 170mm to align with first floor window and existing lightwell window replaced with double door set at first floor level.
11 Relton Mews London SW7 1ET · premises record
Officer Joshua Howitt
Approved
2016-05-09
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 27 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 27 of 27 premises. Some normally permitted changes may require planning permission.
Conservation Area
Knightsbridge · reference CONARA/1370 · covers 27 of 27 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
1, 4, 8, 11, 12, 13 Relton Mews, SW7 · reference REG_4/36800 · covers 14 of 27 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 27 of 27 premises. Some normally permitted changes may require planning permission.
Conservation Area
Knightsbridge · reference CONARA/1370 · covers 27 of 27 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
1, 4, 8, 11, 12, 13 Relton Mews, SW7 · reference REG_4/36800 · covers 14 of 27 premises. Some normally permitted changes may require planning permission.
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 28 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 4 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 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 4 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 2 applications
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 precedent28 applications and 28 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy9 EPC records; ratings C: 3, D: 3, 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.