Planning Atlas
Planning AtlasWestminsterWest End wardW1K 2RB
AtlasWestminsterWest EndW1K 2RB
Postcode record · Westminster

W1K 2RB.

W1K 2RB has 11 known premises and 14 planning records — 10 approved of 11 decided (90.9%). 3 EPC records.

WestminsterWest EndW1K 2RB
Postcode W1K 2RB · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeWestminster profile →
11
Premises
known addresses (UPRNs)
14
Applications
11 decided
90.9%
Approval rate
10 approved · 1 refused
3
EPC records
ratings D 1 · F 2
25
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?

W1K 2RB has 11 known premises and 14 planning records — 10 approved of 11 decided (90.9%). 3 EPC records.

Premises

Planning

What happened?

14 planning applications across the postcode; 10 approved of 11 decided (90.9%). Latest 14 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Installation of automatic opening fire vent at top floor of 11 Mount Street accommodation and fire exit stair core to residential apartments which occupy 1st floor to roof level. [Linked to 26/01651/LBC]
11 Mount Street London W1K 2RB · premises record
Full Planning Permission Application
Pending
2026-03-23
Installation of automatic opening fire vent at top floor of 11 Mount Street accommodation and fire exit stair core to residential apartments which occupy 1st floor to roof level. [Linked to 26/01869/FULL]
11 Mount Street London W1K 2RB · premises record
Listed Building Consent Application
Pending
2026-03-13
Internal alterations to third floor flat.
Flat 3 11 Mount Street London W1K 2RB · premises record
Listed Building Consent Application
Approved
2018-10-11
Approval of details pursuant to Condition 6 of listed building consent dated 10 July 2012 (RN: 12/04368), namely the submission of drawings detailing the design and materials of the proposed staircase
11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Agent Harper Downie · Officer Ken Powell
Approval of Details (ADLBC)
Approved
2013-05-09
Remove existing half glazed entrance door, transom frame and fanlight over. Replace with new solid fire rated full height door, with false transom door and transom to be finished high gloss mahogany to match existing.
11 Mount Street London W1K 2RB · premises record
Applicant Mr Jacques Seguin · Agent Alternative Designs · Officer Ken Powell
Listed Building Consent Application
Refused
2013-04-22
Internal alterations and extension of lift shaft to fifth floor level.
Flat 4 11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Agent Finchatton · Officer Ken Powell
Listed Building Consent Application
Approved
2013-04-03
External alterations including installation of two new rooflights to the roof of existing mansard to the rear of the building; replacement of three windows, balcony doors to the front facade and front door.
Flat 4 11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Agent Harper Downie · Officer David English
Listed Building Consent Application
Approved
2012-12-07
External alterations including the installation of rooflights, the replacement of windows and doors and alterations to the front entrance.
Flat 4 11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Agent Harper Downie · Officer David English
Full Planning Permission Application
Approved
2012-12-07
Internal alterations at fourth and fifth floor, including demolition of staircase and partitions.
Flat 4 11 Mount Street London W1K 2RB · premises record
Full
Unknown
2012-04-24
Internal alterations at fourth and fifth floor, including demolition of staircase and partitions.
Flat 4 11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Officer Jennie Humphrey
Listed Building Consent Application
Approved
2012-04-24
Installation of automatic opening fire vent at top floor of 11 Mount Street accommodation and fire exit stair core to residential apartments which occupy 1st floor to roof level. [Linked to 26/01651/LBC]
11 Mount Street London W1K 2RB · premises record
Pending
2026-03-23
More
Full Planning Permission Application
Installation of automatic opening fire vent at top floor of 11 Mount Street accommodation and fire exit stair core to residential apartments which occupy 1st floor to roof level. [Linked to 26/01869/FULL]
11 Mount Street London W1K 2RB · premises record
Pending
2026-03-13
More
Listed Building Consent Application
Internal alterations to third floor flat.
Flat 3 11 Mount Street London W1K 2RB · premises record
Approved
2018-10-11
More
Listed Building Consent Application
Show all 10 rows
Approval of details pursuant to Condition 6 of listed building consent dated 10 July 2012 (RN: 12/04368), namely the submission of drawings detailing the design and materials of the proposed staircase
11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Agent Harper Downie · Officer Ken Powell
Approved
2013-05-09
More
Approval of Details (ADLBC)
Remove existing half glazed entrance door, transom frame and fanlight over. Replace with new solid fire rated full height door, with false transom door and transom to be finished high gloss mahogany to match existing.
11 Mount Street London W1K 2RB · premises record
Applicant Mr Jacques Seguin · Agent Alternative Designs · Officer Ken Powell
Refused
2013-04-22
More
Listed Building Consent Application
Internal alterations and extension of lift shaft to fifth floor level.
Flat 4 11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Agent Finchatton · Officer Ken Powell
Approved
2013-04-03
More
Listed Building Consent Application
External alterations including installation of two new rooflights to the roof of existing mansard to the rear of the building; replacement of three windows, balcony doors to the front facade and front door.
Flat 4 11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Agent Harper Downie · Officer David English
Approved
2012-12-07
More
Listed Building Consent Application
External alterations including the installation of rooflights, the replacement of windows and doors and alterations to the front entrance.
Flat 4 11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Agent Harper Downie · Officer David English
Approved
2012-12-07
More
Full Planning Permission Application
Internal alterations at fourth and fifth floor, including demolition of staircase and partitions.
Flat 4 11 Mount Street London W1K 2RB · premises record
Unknown
2012-04-24
More
Full
Internal alterations at fourth and fifth floor, including demolition of staircase and partitions.
Flat 4 11 Mount Street London W1K 2RB · premises record
Applicant Not disclosed · Officer Jennie Humphrey
Approved
2012-04-24
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 11 premises each one covers.

Designation
Coverage
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 11 of 11 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Direction Class E To C3 In Central Activities Zone · reference 23/00004/REG_4 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 11 of 11 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 11 of 11 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 11 of 11 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Direction Class E To C3 In Central Activities Zone · reference 23/00004/REG_4 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
Show all 5 rows
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 11 of 11 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 11 of 11 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 14 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 5 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
Agent on 3 applications
Agent on 2 applications
Agent on 1 application
Applicant on 5 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
Agent on 3 applications
Agent on 2 applications
Agent on 1 application
Development

What could it become?

Planning precedent14 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy3 EPC records; ratings D: 1, F: 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

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.

2 intent signals recorded in this postcode
EPC F/G
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
W1K 2RB, Westminster: Planning and Property History | Planning Atlas