Postcode record · Kensington And Chelsea
SW3 4XA.
SW3 4XA has 41 known premises and 86 planning records — 62 approved of 71 decided (87.3%). 23 EPC records.
Postcode SW3 4XA · boundary not held, centred on the postcodeApprovedRefusedOther104 exact1 approximate105 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
41
Premises
known addresses (UPRNs)
86
Applications
71 decided
87.3%
Approval rate
62 approved · 9 refused
23
EPC records
ratings B 1 · C 4 · D 12 · E 6
105
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?
SW3 4XA has 41 known premises and 86 planning records — 62 approved of 71 decided (87.3%). 23 EPC records.
Premises (18 of 41 shown)
Name
Details
UPRN 217056751
UPRN 217056752
UPRN 217056753
UPRN 217056754
UPRN 217056755
UPRN 217056756
UPRN 217056757
UPRN 217056758
UPRN 217056759
UPRN 217056760
UPRN 217056751
UPRN 217056752
UPRN 217056753
Show all 10 rows
UPRN 217056754
UPRN 217056755
UPRN 217056756
UPRN 217056757
UPRN 217056758
UPRN 217056759
UPRN 217056760
Planning
What happened?
86 planning applications across the postcode; 62 approved of 71 decided (87.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Construction of three-storey extension to rear closet wing and and single storey lower ground floor extension with replacement garden steps. Re-submission of expired approval ref: PP/21/07670
42 Markham Square, London, SW3 4XA · premises record
Officer Ben Brockey
Planning Permission
Approved
2025-05-22
Prune 1x Saucer Magnolia in rear garden
42 Markham Square, London, SW3 4XA · premises record
Officer Stephen Fuller
Prune
No objection
2025-03-31
New air source heat pump (ASHP) in rear garden; alterations to ground floor rear elevation; and new photovoltaic (PV) panels on main roof.
41 Markham Square, London, SW3 4XA · premises record
Applicant Gummer · Officer Lolade Williams
Planning Permission
Approved
2024-06-24
Prune
No objection
2024-05-31
Installation of two air conditioning units with acoustic enclosure to main roof, with access hatch.
33 Markham Square, London, SW3 4XA · premises record
Applicant Diaz · Officer John White
Planning Permission
Approved
2023-02-10
Erection of rear lower ground floor extension with two rooflights and terrace above; small infill extension within front lightwell; insertion of rooflight on first floor terrace; minor extension of closet wing; insertion of two new dormer windows to front mansard elevation; installation of 2no AC units and replacement rooflight on main roof and new/replacement fenestration and doors on rear elevation
32 Markham Square, London, SW3 4XA · premises record
Officer Melissa Vingoe Wright
Planning Permission
Approved
2022-05-04
Non-material amendment to planning permission 21/03622 (Rear lower ground floor extension with two rooflights and terrace above, small infill extension within front lightwell, rooflight on first floor terrace, installation of two dormer windows to front mansard elevation, replacement rooflight on main roof and new/replacement fenestration and doors on rear elevation) to allow the following: revised design of rear fenestration, including design of glazing bars and insertion of arches to match neighbouring property; repositioning of first floor closet wing window, and; increase in height of closet wing by less than 30cm. ***WITHDRAWN***
32 Markham Square, London, SW3 4XA · premises record
Officer Melissa Vingoe Wright
Non-Material Amendments
Withdrawn
2022-03-17
Fell
No objection
2022-02-16
Construction of three-storey extension to rear closet wing and and single storey lower ground floor extension with replacement garden steps.
42 Markham Square, London, SW3 4XA · premises record
Officer Ben Brockey
Planning Permission
Approved
2021-11-26
Prune
No objection
2021-11-08
Construction of three-storey extension to rear closet wing and and single storey lower ground floor extension with replacement garden steps. Re-submission of expired approval ref: PP/21/07670
42 Markham Square, London, SW3 4XA · premises record
Officer Ben Brockey
Approved
2025-05-22
More
Planning Permission
Prune 1x Saucer Magnolia in rear garden
42 Markham Square, London, SW3 4XA · premises record
Officer Stephen Fuller
No objection
2025-03-31
More
Prune
New air source heat pump (ASHP) in rear garden; alterations to ground floor rear elevation; and new photovoltaic (PV) panels on main roof.
41 Markham Square, London, SW3 4XA · premises record
Applicant Gummer · Officer Lolade Williams
Approved
2024-06-24
More
Planning Permission
Show all 10 rows
No objection
2024-05-31
More
Prune
Installation of two air conditioning units with acoustic enclosure to main roof, with access hatch.
33 Markham Square, London, SW3 4XA · premises record
Applicant Diaz · Officer John White
Approved
2023-02-10
More
Planning Permission
Erection of rear lower ground floor extension with two rooflights and terrace above; small infill extension within front lightwell; insertion of rooflight on first floor terrace; minor extension of closet wing; insertion of two new dormer windows to front mansard elevation; installation of 2no AC units and replacement rooflight on main roof and new/replacement fenestration and doors on rear elevation
32 Markham Square, London, SW3 4XA · premises record
Officer Melissa Vingoe Wright
Approved
2022-05-04
More
Planning Permission
Non-material amendment to planning permission 21/03622 (Rear lower ground floor extension with two rooflights and terrace above, small infill extension within front lightwell, rooflight on first floor terrace, installation of two dormer windows to front mansard elevation, replacement rooflight on main roof and new/replacement fenestration and doors on rear elevation) to allow the following: revised design of rear fenestration, including design of glazing bars and insertion of arches to match neighbouring property; repositioning of first floor closet wing window, and; increase in height of closet wing by less than 30cm. ***WITHDRAWN***
32 Markham Square, London, SW3 4XA · premises record
Officer Melissa Vingoe Wright
Withdrawn
2022-03-17
More
Non-Material Amendments
No objection
2022-02-16
More
Fell
Construction of three-storey extension to rear closet wing and and single storey lower ground floor extension with replacement garden steps.
42 Markham Square, London, SW3 4XA · premises record
Officer Ben Brockey
Approved
2021-11-26
More
Planning Permission
No objection
2021-11-08
More
Prune
Building control
Building-control records are not yet collected for Kensington And Chelsea — 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 41 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 41 of 41 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chelsea · reference 27 · covers 41 of 41 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 27 · covers 41 of 41 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 41 of 41 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chelsea · reference 27 · covers 41 of 41 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 27 · covers 41 of 41 premises. Protected-tree works may require consent or formal notice.
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 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 4 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Case officer on 4 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent86 applications and 105 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings B: 1, C: 4, D: 12, E: 6.
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.