Postcode record · Westminster
W9 2AN.
W9 2AN has 49 known premises and 32 planning records — 26 approved of 27 decided (96.3%). 16 EPC records.
Postcode W9 2AN · boundary not held, centred on the postcodeApprovedRefusedOther42 exact10 approximate52 on the map — every match
At a glance · this postcodeWestminster profile →
49
Premises
known addresses (UPRNs)
32
Applications
27 decided
96.3%
Approval rate
26 approved · 1 refused
16
EPC records
ratings C 11 · D 3 · E 2
52
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?
W9 2AN has 49 known premises and 32 planning records — 26 approved of 27 decided (96.3%). 16 EPC records.
Premises (18 of 49 shown)
Name
Details
UPRN 10033523633
UPRN 10033524386
UPRN 10033532204
UPRN 10033532205
UPRN 10033532206
UPRN 10033532207
UPRN 10033532208
UPRN 10033547605
UPRN 10033558656
UPRN 10033591504
UPRN 10033523633
UPRN 10033524386
UPRN 10033532204
Show all 10 rows
UPRN 10033532205
UPRN 10033532206
UPRN 10033532207
UPRN 10033532208
UPRN 10033547605
UPRN 10033558656
UPRN 10033591504
Planning
What happened?
32 planning applications across the postcode; 26 approved of 27 decided (96.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details of a sample of the glass (at least 300mm square) and detailed drawings of the garage door pursuant to Condition 4 and 8 of planning permission dated 11th March 2025 (RN:25/00009/FULL)
28 Chippenham Mews London W9 2AN · premises record
Approval of Details (Full PP)
Approved
2025-04-16
Erection of mansard roof extension with front and rear dormers, external alterations to front elevation including Juliette balconies at first floor level, installation of sash window at ground floor and garage door and associated works.
28 Chippenham Mews London W9 2AN · premises record
Full Planning Permission Application
Approved
2025-01-02
Change of use of ground floor unit from office (Class B1) to financial and professional services (Class A2), changes to front elevation doors and windows to ground floor and associated works.
7 Chippenham Mews London W9 2AN · premises record
Full Planning Permission Application
Approved
2019-09-17
Installation of new front door with glazed side panels.
15 Chippenham Mews London W9 2AN · premises record
Full Planning Permission Application
Approved
2016-11-03
External alterations to front and rear elevations involving new juliette balconies to front first floor, new dormer window to rear, replacing all existing windows, raising heads of existing dormer windows.
35 Chippenham Mews London W9 2AN · premises record
Full Planning Permission Application
Approved
2014-07-17
Display of externally illuminated wall sign of metal lettering attached to wall measuring 1.4m x 0.75m over entrance door.
1 Chippenham Mews London W9 2AN · premises record
Advert Application (ADV)
Approved
2014-05-06
Alterations to first floor front windows to provide doors with juliette balconies; installation of 2 dormers to rear second floor level; and alterations to front elevation including the installation of bin stores.
11-13 Chippenham Mews London W9 2AN · premises record
Applicant Mr Thomas Thackerray · Agent WEBB ARCHITECTS LIMITED
Full Planning Permission Application
Approved
2014-02-17
Demolition of existing dwelling with integrated garage and ancillary workshop. Construction of a new dwelling with a mansard roof.
33 Chippenham Mews London W9 2AN · premises record
Full Planning Permission Application
Approved
2013-09-26
Use as 6x1 bedroom flats, alterations to front elevation to alter fenestration and install of railings to window openings, installation of windows to rear at ground, first and second floor levels to No.11 and associated external alterations.
11-13 Chippenham Mews London W9 2AN · premises record
Full Planning Permission Application
Withdrawn
2013-08-29
Use of building as a single family dwellinghouse, alterations to elevations and the addition of a mansard roof extension at second floor level.
1A Chippenham Mews London W9 2AN · premises record
Full Planning Permission Application
Withdrawn
2012-02-20
Details of a sample of the glass (at least 300mm square) and detailed drawings of the garage door pursuant to Condition 4 and 8 of planning permission dated 11th March 2025 (RN:25/00009/FULL)
28 Chippenham Mews London W9 2AN · premises record
Approved
2025-04-16
More
Approval of Details (Full PP)
Erection of mansard roof extension with front and rear dormers, external alterations to front elevation including Juliette balconies at first floor level, installation of sash window at ground floor and garage door and associated works.
28 Chippenham Mews London W9 2AN · premises record
Approved
2025-01-02
More
Full Planning Permission Application
Change of use of ground floor unit from office (Class B1) to financial and professional services (Class A2), changes to front elevation doors and windows to ground floor and associated works.
7 Chippenham Mews London W9 2AN · premises record
Approved
2019-09-17
More
Full Planning Permission Application
Show all 10 rows
Installation of new front door with glazed side panels.
15 Chippenham Mews London W9 2AN · premises record
Approved
2016-11-03
More
Full Planning Permission Application
External alterations to front and rear elevations involving new juliette balconies to front first floor, new dormer window to rear, replacing all existing windows, raising heads of existing dormer windows.
35 Chippenham Mews London W9 2AN · premises record
Approved
2014-07-17
More
Full Planning Permission Application
Display of externally illuminated wall sign of metal lettering attached to wall measuring 1.4m x 0.75m over entrance door.
1 Chippenham Mews London W9 2AN · premises record
Approved
2014-05-06
More
Advert Application (ADV)
Alterations to first floor front windows to provide doors with juliette balconies; installation of 2 dormers to rear second floor level; and alterations to front elevation including the installation of bin stores.
11-13 Chippenham Mews London W9 2AN · premises record
Applicant Mr Thomas Thackerray · Agent WEBB ARCHITECTS LIMITED
Approved
2014-02-17
More
Full Planning Permission Application
Demolition of existing dwelling with integrated garage and ancillary workshop. Construction of a new dwelling with a mansard roof.
33 Chippenham Mews London W9 2AN · premises record
Approved
2013-09-26
More
Full Planning Permission Application
Use as 6x1 bedroom flats, alterations to front elevation to alter fenestration and install of railings to window openings, installation of windows to rear at ground, first and second floor levels to No.11 and associated external alterations.
11-13 Chippenham Mews London W9 2AN · premises record
Withdrawn
2013-08-29
More
Full Planning Permission Application
Use of building as a single family dwellinghouse, alterations to elevations and the addition of a mansard roof extension at second floor level.
1A Chippenham Mews London W9 2AN · premises record
Withdrawn
2012-02-20
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 49 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 49 of 49 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 49 of 49 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 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 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 1 application
Applicant on 1 application
Applicant on 4 applications
Applicant on 2 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
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent32 applications and 52 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 11, D: 3, E: 2.
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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.