Planning Atlas
AtlasPostcodeSw1w9ag
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Planning Atlas›Westminster›…Knightsbridge & Belgravia ward›SW1W 9AG
Postcode record · Westminster

SW1W 9AG.

SW1W 9AG has 42 known premises and 144 planning records — 109 approved of 112 decided (97.3%). 15 EPC records.

Postcode SW1W 9AG · boundary not held, centred on the postcodeApprovedRefusedOther170 on the map — every match
At a glance · this postcodeWestminster profile →
42
Premises
known addresses (UPRNs)
144
Applications
112 decided
97.3%
Approval rate
109 approved · 3 refused
15
EPC records
ratings C 2 · D 6 · E 6 · F 1
170
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?

SW1W 9AG has 42 known premises and 144 planning records — 109 approved of 112 decided (97.3%). 15 EPC records.

Premises (18 of 42 shown)

Name
Details
UPRN 10033533891
UPRN 10033549116
UPRN 10033560793
UPRN 10033574086
UPRN 10033574087
UPRN 10033576362
UPRN 10033612412
UPRN 10033614788
UPRN 100022745576
UPRN 100022745577
UPRN 10033533891
UPRN 10033549116
UPRN 10033560793
Show all 10 rows
UPRN 10033574086
UPRN 10033574087
UPRN 10033576362
UPRN 10033612412
UPRN 10033614788
UPRN 100022745576
UPRN 100022745577
Planning

What happened?

144 planning applications across the postcode; 109 approved of 112 decided (97.3%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Structural repairs to front pavement vaults.
90 Eaton Square London SW1W 9AG · premises record
Applicant Mr T Healey · Agent Murray Birrell Ltd · Officer Nikki Mitchell
Listed Building Consent Application
Approved
2026-02-20
Installation of new timber framed slimline double glazed sash windows in place of modern units; and retention of historic window frames with replacement slimline double glazing.
First Floor And Second Floor Flat 84 Eaton Square London SW1W 9AG · premises record
Applicant Not disclosed · Agent Newmark · Officer Nikki Mitchell
Full Planning Permission Application
Approved
2026-02-12
Internal reconfiguration of Flat B, including new fittings, fixtures, services, and finishes throughout; alterations to staircase landings with replacement balustrades and handrails; installation of new timber-framed slimline double-glazed sash windows in place of modern units; retention of historic window frames with replacement slimline double-glazing; minor internal layout adjustments, including relocation of the powder room and removal of the secondary lift; replacement of modern doors with raised-height openings; installation of new fireplaces in the Drawing Room and Principal Bedroom; introduction of underfloor heating throughout; together with associated internal and external works.
First Floor And Second Floor Flat 84 Eaton Square London SW1W 9AG · premises record
Applicant Not disclosed · Agent Newmark · Officer Nikki Mitchell
Listed Building Consent Application
Approved
2025-12-18
Subdivision of single flat into three flats and installation of rooftop AC condenser.
Flat D 86 Eaton Square London SW1W 9AG · premises record
Listed Building Consent Application
Approved
2025-11-24
Subdivision of single flat into three flats and installation of rooftop AC condenser.
Flat D 86 Eaton Square London SW1W 9AG · premises record
Full Planning Permission Application
Approved
2025-11-24
1 x ash (T931): crown reduce by up to 1.5 m in hight and 1 m on the lateral branches. 1 x magnolia (T930): crown reduce all over by up to 1.5 m.
90 Eaton Square London SW1W 9AG · premises record
Applicant MAKIN · Agent Cook Arboricultural Services · Officer Jamie Newman
Applic. for works to trees in CA
No objection
2025-10-22
Structural repairs to the front pavement vaults.
90 Eaton Square London SW1W 9AG · premises record
Applicant Mr T Healy · Agent Murray Birrell Ltd · Officer Nikki Mitchell
Listed Building Consent Application
Approved
2024-07-26
Alterations including removal of modern partitions, installation of new fabric and addition of new roof plant and other associated works.
Flat G 90 Eaton Square London SW1W 9AG · premises record
Applicant Famor Services GmbH · Agent Montagu Evans · Officer Charles Cooksley
Listed Building Consent Application
Approved
2024-06-25
Installation of one air conditioning unit at main roof level.
Flat G 90 Eaton Square London SW1W 9AG · premises record
Applicant Famor Services GmbH · Agent Montagu Evans · Officer Charles Cooksley
Full Planning Permission Application
Approved
2024-06-25
Structural repairs to the front pavement vaults.
90 Eaton Square London SW1W 9AG · premises record
Applicant Mr T Healy · Agent Murray Birrell Ltd · Officer Nikki Mitchell
Listed Building Consent Application
Approved
2024-01-18
Structural repairs to front pavement vaults.
90 Eaton Square London SW1W 9AG · premises record
Applicant Mr T Healey · Agent Murray Birrell Ltd · Officer Nikki Mitchell
Approved
2026-02-20
More
Listed Building Consent Application
Installation of new timber framed slimline double glazed sash windows in place of modern units; and retention of historic window frames with replacement slimline double glazing.
First Floor And Second Floor Flat 84 Eaton Square London SW1W 9AG · premises record
Applicant Not disclosed · Agent Newmark · Officer Nikki Mitchell
Approved
2026-02-12
More
Full Planning Permission Application
Internal reconfiguration of Flat B, including new fittings, fixtures, services, and finishes throughout; alterations to staircase landings with replacement balustrades and handrails; installation of new timber-framed slimline double-glazed sash windows in place of modern units; retention of historic window frames with replacement slimline double-glazing; minor internal layout adjustments, including relocation of the powder room and removal of the secondary lift; replacement of modern doors with raised-height openings; installation of new fireplaces in the Drawing Room and Principal Bedroom; introduction of underfloor heating throughout; together with associated internal and external works.
First Floor And Second Floor Flat 84 Eaton Square London SW1W 9AG · premises record
Applicant Not disclosed · Agent Newmark · Officer Nikki Mitchell
Approved
2025-12-18
More
Listed Building Consent Application
Show all 10 rows
Subdivision of single flat into three flats and installation of rooftop AC condenser.
Flat D 86 Eaton Square London SW1W 9AG · premises record
Approved
2025-11-24
More
Listed Building Consent Application
Subdivision of single flat into three flats and installation of rooftop AC condenser.
Flat D 86 Eaton Square London SW1W 9AG · premises record
Approved
2025-11-24
More
Full Planning Permission Application
1 x ash (T931): crown reduce by up to 1.5 m in hight and 1 m on the lateral branches. 1 x magnolia (T930): crown reduce all over by up to 1.5 m.
90 Eaton Square London SW1W 9AG · premises record
Applicant MAKIN · Agent Cook Arboricultural Services · Officer Jamie Newman
No objection
2025-10-22
More
Applic. for works to trees in CA
Structural repairs to the front pavement vaults.
90 Eaton Square London SW1W 9AG · premises record
Applicant Mr T Healy · Agent Murray Birrell Ltd · Officer Nikki Mitchell
Approved
2024-07-26
More
Listed Building Consent Application
Alterations including removal of modern partitions, installation of new fabric and addition of new roof plant and other associated works.
Flat G 90 Eaton Square London SW1W 9AG · premises record
Applicant Famor Services GmbH · Agent Montagu Evans · Officer Charles Cooksley
Approved
2024-06-25
More
Listed Building Consent Application
Installation of one air conditioning unit at main roof level.
Flat G 90 Eaton Square London SW1W 9AG · premises record
Applicant Famor Services GmbH · Agent Montagu Evans · Officer Charles Cooksley
Approved
2024-06-25
More
Full Planning Permission Application
Structural repairs to the front pavement vaults.
90 Eaton Square London SW1W 9AG · premises record
Applicant Mr T Healy · Agent Murray Birrell Ltd · Officer Nikki Mitchell
Approved
2024-01-18
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 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.
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.
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 15 applications
Applicant on 2 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 15 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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
Development

What could it become?

Planning precedent144 applications and 170 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 2, D: 6, E: 6, F: 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 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
Price decline · EPC F/G · Repeat sale · Long hold
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.