Planning Atlas
AtlasPostcodeW23EY
Dev
Session
Tier
Postcode record · Westminster

W2 3EY.

W2 3EY has 32 known premises and 126 planning records — 71 approved of 116 decided (61.2%). 18 EPC records.

Postcode unitWestminsterBoundary not available
WestminsterW2 3EY
No OS boundary is held for this postcode yet, so no shape is drawn.
At a glance · this postcodeWestminster profile →
32
Premises
known addresses (UPRNs)
126
Applications
116 decided
61.2%
Approval rate
71 approved · 24 refused
18
EPC records
ratings B 3 · C 4 · D 9 · E 1 · G 1
0
Mapped applications
shape not available
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property

What is it?

W2 3EY has 32 known premises and 126 planning records — 71 approved of 116 decided (61.2%). 18 EPC records.

Premises (18 of 32 shown)

Planning

What happened?

126 planning applications across the postcode; 71 approved of 116 decided (61.2%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Extension and renovation of the existing dwelling, including an additional storey, creation of a basement, and rear extension.
12 Leinster Mews London W2 3EY · premises record
Applicant Anna Paton · Agent DLA Town Planning Ltd · Officer Jack Morris
Full Planning Permission Application
Pending
2026-03-03
Installation of metal railing at roof level for maintenance and cleaning.
9 Leinster Mews London W2 3EY · premises record
Applicant Ms Barbara Bochnak · Agent ITO Lab · Officer Kimia Khatmian
Full Planning Permission Application
Pending
2026-02-23
Internal and external alterations comprising the construction of a basement and remodelling the dwelling.
18 Leinster Mews London W2 3EY · premises record
Applicant Mr Thomas Hubert · Agent JLA · Officer Desara Malaj
Full Planning Permission Application
Pending
2025-11-28
Excavation of a basement, creation of a new central lightwell from roof to basement level, removal of existing rooflights and creation of a roof terrace, new windows and entrance door to front elevation, use of the ground floor garages as habitable accommodation, alterations to mansard including new glass balustrade, repairs to front elevation brickwork.
18 Leinster Mews London W2 3EY · premises record
Full Planning Permission Application
Refused
2025-07-16
Replacement of windows and creation of new roof terrace at third floor level.
3 Leinster Mews London W2 3EY · premises record
Applicant Monica Polinelli · Agent Atomik Architecture · Officer Alex Jones
Full Planning Permission Application
Refused
2025-06-10
Installation of metal railing at roof level for maintenance and cleaning.
9 Leinster Mews London W2 3EY · premises record
Applicant Ms Barbara Bochnak · Agent ITO Lab · Officer Kimia Khatmian
Full Planning Permission Application
Refused
2025-06-05
Installation of openable skylight to access the roof level.
9 Leinster Mews London W2 3EY · premises record
Applicant Ms Barbara Bochnak · Agent ITO Lab · Officer Ernie Cheung
Full Planning Permission Application
Approved
2024-05-17
Installation of plant and acoustic screen at roof level.
9 Leinster Mews London W2 3EY · premises record
Full Planning Permission Application
Approved
2023-11-27
Detailed drawings of how waste is to be stored on site and how materials for recycling will be stored separately and secure cycle storage pursuant to conditions 8 and 9 of planning permission dated 14th May 2021 (RN 20/01550/FULL)
9 Leinster Mews London W2 3EY · premises record
Applicant Mr Damien O'Hare · Agent TEATUM+TEATUM · Officer Stuart Croll
Approval of Details (Full PP)
Approved
2023-10-02
Variation of condition 1 of planning permission dated 20th March 2021 (RN 20/01550/FULL) for the excavation of a basement beneath the footprint of the original dwelling. Erection of additional mansard roof storey with dormer windows. Alterations to elevation to provide new windows. Merging the two existing flats into a single dwelling house. NAMELY, additional windows added to the rear facade (with fixed, privacy glass)
9 Leinster Mews London W2 3EY · premises record
Full Planning Permission Application
Approved
2023-06-02
Extension and renovation of the existing dwelling, including an additional storey, creation of a basement, and rear extension.
12 Leinster Mews London W2 3EY · premises record
Applicant Anna Paton · Agent DLA Town Planning Ltd · Officer Jack Morris
Pending
2026-03-03
More
Full Planning Permission Application
Installation of metal railing at roof level for maintenance and cleaning.
9 Leinster Mews London W2 3EY · premises record
Applicant Ms Barbara Bochnak · Agent ITO Lab · Officer Kimia Khatmian
Pending
2026-02-23
More
Full Planning Permission Application
Internal and external alterations comprising the construction of a basement and remodelling the dwelling.
18 Leinster Mews London W2 3EY · premises record
Applicant Mr Thomas Hubert · Agent JLA · Officer Desara Malaj
Pending
2025-11-28
More
Full Planning Permission Application
Show all 10 rows
Excavation of a basement, creation of a new central lightwell from roof to basement level, removal of existing rooflights and creation of a roof terrace, new windows and entrance door to front elevation, use of the ground floor garages as habitable accommodation, alterations to mansard including new glass balustrade, repairs to front elevation brickwork.
18 Leinster Mews London W2 3EY · premises record
Refused
2025-07-16
More
Full Planning Permission Application
Replacement of windows and creation of new roof terrace at third floor level.
3 Leinster Mews London W2 3EY · premises record
Applicant Monica Polinelli · Agent Atomik Architecture · Officer Alex Jones
Refused
2025-06-10
More
Full Planning Permission Application
Installation of metal railing at roof level for maintenance and cleaning.
9 Leinster Mews London W2 3EY · premises record
Applicant Ms Barbara Bochnak · Agent ITO Lab · Officer Kimia Khatmian
Refused
2025-06-05
More
Full Planning Permission Application
Installation of openable skylight to access the roof level.
9 Leinster Mews London W2 3EY · premises record
Applicant Ms Barbara Bochnak · Agent ITO Lab · Officer Ernie Cheung
Approved
2024-05-17
More
Full Planning Permission Application
Installation of plant and acoustic screen at roof level.
9 Leinster Mews London W2 3EY · premises record
Approved
2023-11-27
More
Full Planning Permission Application
Detailed drawings of how waste is to be stored on site and how materials for recycling will be stored separately and secure cycle storage pursuant to conditions 8 and 9 of planning permission dated 14th May 2021 (RN 20/01550/FULL)
9 Leinster Mews London W2 3EY · premises record
Applicant Mr Damien O'Hare · Agent TEATUM+TEATUM · Officer Stuart Croll
Approved
2023-10-02
More
Approval of Details (Full PP)
Variation of condition 1 of planning permission dated 20th March 2021 (RN 20/01550/FULL) for the excavation of a basement beneath the footprint of the original dwelling. Erection of additional mansard roof storey with dormer windows. Alterations to elevation to provide new windows. Merging the two existing flats into a single dwelling house. NAMELY, additional windows added to the rear facade (with fixed, privacy glass)
9 Leinster Mews London W2 3EY · premises record
Approved
2023-06-02
More
Full Planning Permission Application

Building control

Building-control applications and notices in this postcode, from the council register.

Name
Details
Replacement of windows and creation of new roof terrace at third floor level. · received 15 Jun 2025 · London Building Control Ltd
Existing two-storey terraced dwellinghouse: New basement to whole footprint. Mansard loft extension. Material alteration to reconfigured layout throughout including new stair. Ground/first floor; relocated rear fenestration and altered/relocated front fenestration. The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A). · received 12 May 2022 · LB Building Control Ltd
Refurbishment of existing three storey Mews House to include new finishes and fixtures throughout. · received 16 Feb 2022 · London Building Control Ltd
Existing two-storey terraced dwellinghouse: New basement to whole footprint. Mansard loft extension. Material alteration to reconfigured layout throughout including new stair. Ground/first floor; relocated rear fenestration and altered/relocated front fenestration. The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A). · received 5 Nov 2021 · Assent Building Control Ltd
Existing two-storey terraced dwelling-house: New basement to whole footprint. Mansard loft extension. Material alteration to reconfigured layout throughout including new stair. Ground/first floor; altered/relocated front and rear fenestration. Alterations to controlled services and fittings The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A) · LB Building Control Ltd
Replacement of windows and creation of new roof terrace at third floor level. · received 15 Jun 2025 · London Building Control Ltd
Existing two-storey terraced dwellinghouse: New basement to whole footprint. Mansard loft extension. Material alteration to reconfigured layout throughout including new stair. Ground/first floor; relocated rear fenestration and altered/relocated front fenestration. The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A). · received 12 May 2022 · LB Building Control Ltd
Refurbishment of existing three storey Mews House to include new finishes and fixtures throughout. · received 16 Feb 2022 · London Building Control Ltd
Show all 5 rows
Existing two-storey terraced dwellinghouse: New basement to whole footprint. Mansard loft extension. Material alteration to reconfigured layout throughout including new stair. Ground/first floor; relocated rear fenestration and altered/relocated front fenestration. The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A). · received 5 Nov 2021 · Assent Building Control Ltd
Existing two-storey terraced dwelling-house: New basement to whole footprint. Mansard loft extension. Material alteration to reconfigured layout throughout including new stair. Ground/first floor; altered/relocated front and rear fenestration. Alterations to controlled services and fittings The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A) · LB Building Control Ltd
Place

What affects it?

Designations are shown per premises today (open any premises above); the postcode-level designation summary is built with the borough entity run. Use the map's designations filter to see them over the postcode 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 3 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 3 applications
Applicant on 3 applications
Applicant on 3 applications
Show all 10 rows
Applicant on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Development

What could it become?

Planning precedent126 applications and 0 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings B: 3, C: 4, D: 9, E: 1, G: 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.

3 intent signals recorded in this postcode
Lapsed consent · EPC F/G · Long hold
Subscribe to see the signals →
Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.