Postcode record · Westminster
SW7 1DX.
SW7 1DX has 10 known premises and 64 planning records — 42 approved of 46 decided (91.3%). 8 EPC records.
Postcode SW7 1DX · boundary not held, centred on the postcodeApprovedRefusedOther64 exact64 on the map — every match
At a glance · this postcodeWestminster profile →
10
Premises
known addresses (UPRNs)
64
Applications
46 decided
91.3%
Approval rate
42 approved · 4 refused
8
EPC records
ratings D 7 · E 1
64
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 1DX has 10 known premises and 64 planning records — 42 approved of 46 decided (91.3%). 8 EPC records.
Premises
Name
Details
UPRN 100022812273
UPRN 100022812274
UPRN 100022812275
UPRN 100022812276
UPRN 100022812277
UPRN 100022812278
UPRN 100022812279
UPRN 100022812280
UPRN 100022812281
UPRN 100023377750
UPRN 100022812273
UPRN 100022812274
UPRN 100022812275
Show all 10 rows
UPRN 100022812276
UPRN 100022812277
UPRN 100022812278
UPRN 100022812279
UPRN 100022812280
UPRN 100022812281
UPRN 100023377750
Planning
What happened?
64 planning applications across the postcode; 42 approved of 46 decided (91.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
External alterations at rear including demolition of existing brick structure, enlargement of rear terrace platform at raised ground floor level, infilling of an external door at ground floor level in closet wing and two windows at first floor level in closet wing.
11 Trevor Street London SW7 1DX · premises record
Listed Building Consent Application
Approved
2025-07-30
External alterations at rear including demolition of existing brick structure, enlargement of rear terrace platform at raised ground floor level, infilling of an external door at ground floor level and two windows at first floor level in closet wing.
11 Trevor Street London SW7 1DX · premises record
Full Planning Permission Application
Approved
2025-07-30
Internal alterations to basement, ground, first and second floors, including reinstatement of doorway, new partition, revised room layouts and new herringbone timber flooring.
11 Trevor Street London SW7 1DX · premises record
Listed Building Consent Application
Approved
2025-07-18
1 x Gleditsia - Reduce height by approx 2m and shorten laterals by 1-2m to balance crown.
Trevor Lodge 17 Trevor Street London SW7 1DX · premises record
Applicant Henry Twynam · Officer Rosalie Dobson
Applic. for works to trees in CA
No objection
2021-12-05
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor levels with infill extension at lower ground and ground floor levels, excavation beneath garden to create a new basement level, and internal alterations.
9 Trevor Street London SW7 1DX · premises record
Listed Building Consent Application
Approved
2021-03-25
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor levels with infill extension at lower ground and ground floor levels, and excavation beneath garden to create a new basement level.
9 Trevor Street London SW7 1DX · premises record
Full Planning Permission Application
Approved
2021-03-25
Internal alterations and addition of partitions to lower ground floor and replacement of sliding screen door with timber door.
14 Trevor Street London SW7 1DX · premises record
Listed Building Consent Application
Approved
2020-06-05
1 x Mimosa: reduce upper crown by up to 1m, shaping to create a natural, flowing canopy outline. Retain lower scaffold branches to create future lower crown framework. 1 x bay: crown reduce upper crown by up to 0.5m, shaping to create a natural, flowing canopy outline.
12 Trevor Street London SW7 1DX · premises record
Applic. for works to trees in CA
No objection
2018-10-25
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor levels with infill extension at lower ground and ground floor levels. Excavation beneath garden to create a new basement level.
9 Trevor Street London SW7 1DX · premises record
Full Planning Permission Application
Approved
2017-06-08
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor level and ground floor single storey rear infill extension. Extension to the existing lower ground floor level and excavation works to create a new basement level. Associated internal alterations. (Linked Case: 16/10416/FULL).
9 Trevor Street London SW7 1DX · premises record
Listed Building Consent Application
Withdrawn
2016-10-31
External alterations at rear including demolition of existing brick structure, enlargement of rear terrace platform at raised ground floor level, infilling of an external door at ground floor level in closet wing and two windows at first floor level in closet wing.
11 Trevor Street London SW7 1DX · premises record
Approved
2025-07-30
More
Listed Building Consent Application
External alterations at rear including demolition of existing brick structure, enlargement of rear terrace platform at raised ground floor level, infilling of an external door at ground floor level and two windows at first floor level in closet wing.
11 Trevor Street London SW7 1DX · premises record
Approved
2025-07-30
More
Full Planning Permission Application
Internal alterations to basement, ground, first and second floors, including reinstatement of doorway, new partition, revised room layouts and new herringbone timber flooring.
11 Trevor Street London SW7 1DX · premises record
Approved
2025-07-18
More
Listed Building Consent Application
Show all 10 rows
1 x Gleditsia - Reduce height by approx 2m and shorten laterals by 1-2m to balance crown.
Trevor Lodge 17 Trevor Street London SW7 1DX · premises record
Applicant Henry Twynam · Officer Rosalie Dobson
No objection
2021-12-05
More
Applic. for works to trees in CA
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor levels with infill extension at lower ground and ground floor levels, excavation beneath garden to create a new basement level, and internal alterations.
9 Trevor Street London SW7 1DX · premises record
Approved
2021-03-25
More
Listed Building Consent Application
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor levels with infill extension at lower ground and ground floor levels, and excavation beneath garden to create a new basement level.
9 Trevor Street London SW7 1DX · premises record
Approved
2021-03-25
More
Full Planning Permission Application
Internal alterations and addition of partitions to lower ground floor and replacement of sliding screen door with timber door.
14 Trevor Street London SW7 1DX · premises record
Approved
2020-06-05
More
Listed Building Consent Application
1 x Mimosa: reduce upper crown by up to 1m, shaping to create a natural, flowing canopy outline. Retain lower scaffold branches to create future lower crown framework. 1 x bay: crown reduce upper crown by up to 0.5m, shaping to create a natural, flowing canopy outline.
12 Trevor Street London SW7 1DX · premises record
No objection
2018-10-25
More
Applic. for works to trees in CA
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor levels with infill extension at lower ground and ground floor levels. Excavation beneath garden to create a new basement level.
9 Trevor Street London SW7 1DX · premises record
Approved
2017-06-08
More
Full Planning Permission Application
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor level and ground floor single storey rear infill extension. Extension to the existing lower ground floor level and excavation works to create a new basement level. Associated internal alterations. (Linked Case: 16/10416/FULL).
9 Trevor Street London SW7 1DX · premises record
Withdrawn
2016-10-31
More
Listed Building Consent 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 10 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 10 of 10 premises. Some normally permitted changes may require planning permission.
Conservation Area
Knightsbridge · reference CONARA/1370 · covers 10 of 10 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 10 of 10 premises. Some normally permitted changes may require planning permission.
Conservation Area
Knightsbridge · reference CONARA/1370 · covers 10 of 10 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 5 applications
Applicant on 3 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
Agent on 5 applications
Agent on 3 applications
Applicant on 5 applications
Applicant on 3 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 5 applications
Agent on 3 applications
Development
What could it become?
Planning precedent64 applications and 64 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings D: 7, 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.
No intent signal is currently recorded in this postcode.
Thinking about a project here?
How long would a planning application take here? →
Westminster's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Westminster, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.