Postcode record · Westminster
SW1P 4QA.
SW1P 4QA has 22 known premises and 28 planning records — 20 approved of 22 decided (90.9%). 19 EPC records.
Postcode SW1P 4QA · boundary not held, centred on the postcodeApprovedRefusedOther28 on the map — every match
At a glance · this postcodeWestminster profile →
22
Premises
known addresses (UPRNs)
28
Applications
22 decided
90.9%
Approval rate
20 approved · 2 refused
63 days
Median decision time
average 79 days · 28 dated decisions
19
EPC records
ratings B 2 · C 3 · D 10 · E 4
28
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 4QA has 22 known premises and 28 planning records — 20 approved of 22 decided (90.9%). 19 EPC records.
Premises (18 of 22 shown)
Name
Details
UPRN 10033565110
UPRN 10033565111
UPRN 10033565112
UPRN 10033565113
UPRN 100022790822
UPRN 100022790824
UPRN 100022790826
UPRN 100022790828
UPRN 100022790829
UPRN 100022790832
UPRN 10033565110
UPRN 10033565111
UPRN 10033565112
Show all 10 rows
UPRN 10033565113
UPRN 100022790822
UPRN 100022790824
UPRN 100022790826
UPRN 100022790828
UPRN 100022790829
UPRN 100022790832
Planning
What happened?
28 planning applications across the postcode; 20 approved of 22 decided (90.9%). Latest 28 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Replacement of existing windows with new double glazed windows; replacement of fascias, soffits and gutters; renewal of existing flat roof; and repair/ redecoration works to external wall.
22 Ponsonby Terrace London SW1P 4QA · premises record
Officer Nikki Mitchell
Full Planning Permission Application
Approved
2025-12-11
Continued use of basement as self contained flat (Class C3).
30 Ponsonby Terrace London SW1P 4QA · premises record
Officer Zulekha Hosenally
Full Planning Permission Application
Refused
2025-11-14
Removal of an existing glazed door to the rear elevation, enlargement of the opening, and installation of a Crittall-style glazed door.
6 Ponsonby Terrace London SW1P 4QA · premises record
Officer Nikki Mitchell
Full Planning Permission Application
Approved
2025-09-15
Replacement of existing hipped roof with a new dual pitched slate roof, including raising existing roof ridge height four rooflights to the front and rear of the new roof and metal hopper and rainwater downpipe.
6 Ponsonby Terrace London SW1P 4QA · premises record
Officer Nikki Mitchell
Full Planning Permission Application
Approved
2023-12-19
Loft conversion, new conservation rooflights, alterations to the existing roof ridge, use of rear terrace at first floor level and replacement of existing sash windows with double glazed sash windows.
28 Ponsonby Terrace London SW1P 4QA · premises record
Officer Morgan Cheung
Full Planning Permission Application
Approved
2022-10-16
Alterations to roof pitch and installation of four rooflights.
8 Ponsonby Terrace London SW1P 4QA · premises record
Officer Sebastian Knox
Full Planning Permission Application
Approved
2019-12-15
Alterations to roof pitch and installation of four roof lights in connection with loft conversion to provide habitable accommodation.
8 Ponsonby Terrace London SW1P 4QA · premises record
Officer Sebastian Knox
Full Planning Permission Application
Refused
2019-08-30
Creation of porch extension within front basement lightwell, formation of new access stair to front basement lightwell, erection of two storey rear infill extension with flat roof and rooflight, new metal balustrade to new roof terrace at the rear at first floor level, alterations to rear fenestration at basement, and ground and first floor.
6 Ponsonby Terrace London SW1P 4QA · premises record
Officer Seana McCaffrey
Full Planning Permission Application
Approved
2019-05-02
Part demolition of the existing rear extension and rear wall to provide a new infill extension at rear basement and ground floor level and associated external alterations.
18 Ponsonby Terrace London SW1P 4QA · premises record
Officer Rupert Handley
Full Planning Permission Application
Withdrawn
2015-08-17
Details of the enclosure in the front lightwell beneath the entrance bridge should be of a more traditional design, featuring a timber door and side panel(s) and facing materials pursuant to Conditions 4 and 5 of planning permission dated 15 April 2013 (RN: 13/01366).
26 Ponsonby Terrace London SW1P 4QA · premises record
Officer Renee Clarke
Approval of Details (Full PP)
Approved
2013-07-22
Replacement of existing windows with new double glazed windows; replacement of fascias, soffits and gutters; renewal of existing flat roof; and repair/ redecoration works to external wall.
22 Ponsonby Terrace London SW1P 4QA · premises record
Officer Nikki Mitchell
Approved
2025-12-11
More
Full Planning Permission Application
Continued use of basement as self contained flat (Class C3).
30 Ponsonby Terrace London SW1P 4QA · premises record
Officer Zulekha Hosenally
Refused
2025-11-14
More
Full Planning Permission Application
Removal of an existing glazed door to the rear elevation, enlargement of the opening, and installation of a Crittall-style glazed door.
6 Ponsonby Terrace London SW1P 4QA · premises record
Officer Nikki Mitchell
Approved
2025-09-15
More
Full Planning Permission Application
Show all 10 rows
Replacement of existing hipped roof with a new dual pitched slate roof, including raising existing roof ridge height four rooflights to the front and rear of the new roof and metal hopper and rainwater downpipe.
6 Ponsonby Terrace London SW1P 4QA · premises record
Officer Nikki Mitchell
Approved
2023-12-19
More
Full Planning Permission Application
Loft conversion, new conservation rooflights, alterations to the existing roof ridge, use of rear terrace at first floor level and replacement of existing sash windows with double glazed sash windows.
28 Ponsonby Terrace London SW1P 4QA · premises record
Officer Morgan Cheung
Approved
2022-10-16
More
Full Planning Permission Application
Alterations to roof pitch and installation of four rooflights.
8 Ponsonby Terrace London SW1P 4QA · premises record
Officer Sebastian Knox
Approved
2019-12-15
More
Full Planning Permission Application
Alterations to roof pitch and installation of four roof lights in connection with loft conversion to provide habitable accommodation.
8 Ponsonby Terrace London SW1P 4QA · premises record
Officer Sebastian Knox
Refused
2019-08-30
More
Full Planning Permission Application
Creation of porch extension within front basement lightwell, formation of new access stair to front basement lightwell, erection of two storey rear infill extension with flat roof and rooflight, new metal balustrade to new roof terrace at the rear at first floor level, alterations to rear fenestration at basement, and ground and first floor.
6 Ponsonby Terrace London SW1P 4QA · premises record
Officer Seana McCaffrey
Approved
2019-05-02
More
Full Planning Permission Application
Part demolition of the existing rear extension and rear wall to provide a new infill extension at rear basement and ground floor level and associated external alterations.
18 Ponsonby Terrace London SW1P 4QA · premises record
Officer Rupert Handley
Withdrawn
2015-08-17
More
Full Planning Permission Application
Details of the enclosure in the front lightwell beneath the entrance bridge should be of a more traditional design, featuring a timber door and side panel(s) and facing materials pursuant to Conditions 4 and 5 of planning permission dated 15 April 2013 (RN: 13/01366).
26 Ponsonby Terrace London SW1P 4QA · premises record
Officer Renee Clarke
Approved
2013-07-22
More
Approval of Details (Full PP)
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 22 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 3.2: Pimlico Summary and Definition: The APA covers the confluence of the Thames and Tyburn rivers. For much of its history this was a low lying marshy area that was sparsely populated until the 19th century when the la · reference 76643 · covers 22 of 22 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 22 of 22 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 22 of 22 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Millbank · reference CONARA/1470 · covers 22 of 22 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 3.2: Pimlico Summary and Definition: The APA covers the confluence of the Thames and Tyburn rivers. For much of its history this was a low lying marshy area that was sparsely populated until the 19th century when the la · reference 76643 · covers 22 of 22 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 22 of 22 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 22 of 22 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Millbank · reference CONARA/1470 · covers 22 of 22 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 28 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 4 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 4 applications
Case officer on 4 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent28 applications and 28 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings B: 2, C: 3, D: 10, E: 4.
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 ProOwnership, 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
Beatable refusal · Price decline
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.