Planning Atlas
AtlasPostcodeSW1P3NB
Dev
Session
Tier
Planning AtlasWestminsterSt James's wardSW1P 3NB
Postcode record · Westminster

SW1P 3NB.

SW1P 3NB has 8 known premises and 56 planning records — 42 approved of 46 decided (91.3%). 2 EPC records.

WestminsterSt James'sSW1P 3NB
Postcode SW1P 3NB · boundary not held, centred on the postcodeApprovedRefusedOther45 on the map — every match
At a glance · this postcodeWestminster profile →
8
Premises
known addresses (UPRNs)
56
Applications
46 decided
91.3%
Approval rate
42 approved · 4 refused
2
EPC records
ratings D 1 · E 1
45
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?

SW1P 3NB has 8 known premises and 56 planning records — 42 approved of 46 decided (91.3%). 2 EPC records.

Premises

Planning

What happened?

56 planning applications across the postcode; 42 approved of 46 decided (91.3%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
1 x Lime (T1): Reduce back to previous points of reduction by removing approx. 1.5m worth of regrowth.
3 Cowley Street London SW1P 3NB · premises record
Applicant Mr Joe Margerrison · Officer Jamie Newman
Applic. for works to trees in CA
No objection
2024-09-26
1 x Sycamore (rear): Reduce all aspects by approx. 1 - 2m.
Mansion House 4 Cowley Street London SW1P 3NB · premises record
Applic. for works to trees in CA
No objection
2023-08-24
Details of the the glass roof, showing materials and method of attachment to the building, pursuant to Condition 4 of planning permission dated 20 July 2017 (RN: 17/04518/FULL)
7 Cowley Street London SW1P 3NB · premises record
Applicant Mr Brown · Agent Donald Insall Associates · Officer Nosheen Javed
Approval of Details (Full PP)
Withdrawn
2018-05-17
Erection of infill extension incorporating glazed rooflight over basement lightwell, replace existing windows with doors into lightwell at lower ground floor level and installation of walk-on rooflight to flat roof at rear first floor level.
7 Cowley Street London SW1P 3NB · premises record
Applicant Reiss · Agent Donald Insall Associates · Officer Nosheen Javed
Full Planning Permission Application
Approved
2017-05-23
Installation of metal railings to existing balcony on rear elevation at first floor level.
7 Cowley Street London SW1P 3NB · premises record
Applicant Not disclosed · Agent Mr Peter French Riba · Officer David Dorward
Full Planning Permission Application
Withdrawn
2016-04-29
Details of new rear door pursuant to Condition 3(a) of listed building consent dated 25 February 2014 (RN: 13/09292).
Mansion House 4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Renee Clarke
Approval of Details (ADLBC)
Approved
2015-04-09
Details of new rear door pursuant to Condition 4(a) of planning permission dated 25 February 2014 (RN: 13/09291).
Mansion House 4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Renee Clarke
Approval of Details (Full PP)
Approved
2015-04-09
Detailed drawings of new external stair pursuant to Condition 3 (d) of listed building consent dated 25 February 2014 (RN: 13/09292).
4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Renee Clarke
Approval of Details (ADLBC)
Approved
2014-10-27
Detailed drawings of new external stair pursuant to Condition 4 (d) of listed building consent dated 25 February 2014 (RN: 13/09291).
4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Renee Clarke
Approval of Details (Full PP)
Approved
2014-10-27
Installation of lighting scheme comprising of wall mounted up-lighters, recommissioning of existing entrance lamps and pediment lighting to illuminate features of front elevation; recessed floor lamps, foliage lighting and planter bed spike lights to illuminate rear terrace; and LED strip lights to roof terrace.
Mansion House 4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Allison Borden
Full Planning Permission Application
Withdrawn
2014-10-27
1 x Lime (T1): Reduce back to previous points of reduction by removing approx. 1.5m worth of regrowth.
3 Cowley Street London SW1P 3NB · premises record
Applicant Mr Joe Margerrison · Officer Jamie Newman
No objection
2024-09-26
More
Applic. for works to trees in CA
1 x Sycamore (rear): Reduce all aspects by approx. 1 - 2m.
Mansion House 4 Cowley Street London SW1P 3NB · premises record
No objection
2023-08-24
More
Applic. for works to trees in CA
Details of the the glass roof, showing materials and method of attachment to the building, pursuant to Condition 4 of planning permission dated 20 July 2017 (RN: 17/04518/FULL)
7 Cowley Street London SW1P 3NB · premises record
Applicant Mr Brown · Agent Donald Insall Associates · Officer Nosheen Javed
Withdrawn
2018-05-17
More
Approval of Details (Full PP)
Show all 10 rows
Erection of infill extension incorporating glazed rooflight over basement lightwell, replace existing windows with doors into lightwell at lower ground floor level and installation of walk-on rooflight to flat roof at rear first floor level.
7 Cowley Street London SW1P 3NB · premises record
Applicant Reiss · Agent Donald Insall Associates · Officer Nosheen Javed
Approved
2017-05-23
More
Full Planning Permission Application
Installation of metal railings to existing balcony on rear elevation at first floor level.
7 Cowley Street London SW1P 3NB · premises record
Applicant Not disclosed · Agent Mr Peter French Riba · Officer David Dorward
Withdrawn
2016-04-29
More
Full Planning Permission Application
Details of new rear door pursuant to Condition 3(a) of listed building consent dated 25 February 2014 (RN: 13/09292).
Mansion House 4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Renee Clarke
Approved
2015-04-09
More
Approval of Details (ADLBC)
Details of new rear door pursuant to Condition 4(a) of planning permission dated 25 February 2014 (RN: 13/09291).
Mansion House 4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Renee Clarke
Approved
2015-04-09
More
Approval of Details (Full PP)
Detailed drawings of new external stair pursuant to Condition 3 (d) of listed building consent dated 25 February 2014 (RN: 13/09292).
4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Renee Clarke
Approved
2014-10-27
More
Approval of Details (ADLBC)
Detailed drawings of new external stair pursuant to Condition 4 (d) of listed building consent dated 25 February 2014 (RN: 13/09291).
4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Renee Clarke
Approved
2014-10-27
More
Approval of Details (Full PP)
Installation of lighting scheme comprising of wall mounted up-lighters, recommissioning of existing entrance lamps and pediment lighting to illuminate features of front elevation; recessed floor lamps, foliage lighting and planter bed spike lights to illuminate rear terrace; and LED strip lights to roof terrace.
Mansion House 4 Cowley Street London SW1P 3NB · premises record
Applicant Mr Edward Gumbley · Agent MWA · Officer Allison Borden
Withdrawn
2014-10-27
More
Full Planning Permission Application

Building control

No building-control application or notice is recorded in this postcode in the borough register we hold.

Place

What affects it?

Every mapped designation touching a premises in this postcode, with how many of its 8 premises each one covers.

Designation
Coverage
Archaeological Priority Area
City of Westminster APA 1.1: Westminster and Whitehall Summary and Definition The APA includes the Houses of Parliament, Westminster Abbey, St Margaret’s Church, 10 Downing Street, the Banqueting House and all the other buildings on either side of W · reference 77082 · covers 8 of 8 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 8 of 8 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 8 of 8 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Smith Square · reference CONARA/1430 · covers 8 of 8 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 1.1: Westminster and Whitehall Summary and Definition The APA includes the Houses of Parliament, Westminster Abbey, St Margaret’s Church, 10 Downing Street, the Banqueting House and all the other buildings on either side of W · reference 77082 · covers 8 of 8 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 8 of 8 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 8 of 8 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Smith Square · reference CONARA/1430 · covers 8 of 8 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 19 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
Agent on 15 applications
Agent on 3 applications
Agent on 2 applications
Applicant on 19 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
Agent on 15 applications
Agent on 3 applications
Agent on 2 applications
Development

What could it become?

Planning precedent56 applications and 45 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy2 EPC records; ratings D: 1, 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 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.

1 intent signal recorded in this postcode
Repeat sale
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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.