Planning Atlas
Planning AtlasKensington And ChelseaRoyal Hospital wardSW3 3NP
Postcode record · Kensington And Chelsea

SW3 3NP.

SW3 3NP has 33 known premises and 54 planning records — 40 approved of 43 decided (93%). 23 EPC records.

Postcode SW3 3NP · boundary not held, centred on the postcodeApprovedRefusedOther54 exact54 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
33
Premises
known addresses (UPRNs)
54
Applications
43 decided
93%
Approval rate
40 approved · 3 refused
23
EPC records
ratings C 5 · D 12 · E 5 · F 1
54
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 3NP has 33 known premises and 54 planning records — 40 approved of 43 decided (93%). 23 EPC records.

Premises (18 of 33 shown)

Planning

What happened?

54 planning applications across the postcode; 40 approved of 43 decided (93%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Demolition of rear single storey boiler room, side infill and closet wing lower ground floor thus creating a cantilevered closet wing undercroft and increasing external patio area. Removal of two rooflights and replacement with green roofs; addition of one traditional sash window on rear elevation, one rooflight above stairwell and internal remodelling
9 Markham Street, London, SW3 3NP · premises record
Applicant M Baker · Officer Lolade Williams
Planning Permission
Approved
2025-05-15
Construction of lower ground floor rear extension to include lowering of lower ground floor; roof terrace at rear ground floor level; raising of first floor rear addition roof; removal of redundant rear chimney; internal alterations and alterations to fenestration.
7 Markham Street, London, SW3 3NP · premises record
Applicant R Perrin · Officer Lolade Williams
Planning Permission
Approved
2024-06-10
Installation of a rear conservatory
27 Markham Street, London, SW3 3NP · premises record
Applicant Wallace · Officer Cheryl Collins
Planning Permission
Approved
2023-11-02
Details required by condition 6 (SuDS) of planning permission 22/07246
4 Markham Street, London, SW3 3NP · premises record
Applicant S Davies · Officer Ben Brockey
Discharge of Conditions
Approved
2023-06-23
Demolition of closet wing flank wall at lower ground floor level and construction of single storey side/return extension with flat roof.
4 Markham Street, London, SW3 3NP · premises record
Applicant Davies · Officer Ben Brockey
Planning Permission
Approved
2022-11-28
Details required by condition 6 (SuDS) of planning permission 21/00891 (Construction of rear lower ground floor extension, first floor rear closet extension and second floor mansard roof; alteration to fenestration at rear, upgrading windows at front using double glazed units to match existing and lowering of the first floor front elevation windows' sill levels)
9 Markham Street, London, SW3 3NP · premises record
Applicant Roberts · Officer Gabby Westley
Discharge of Conditions
Approved
2022-03-07
Details required by condition 4 (Details of windows to be submitted) of planning permission 21/00891 (Construction of rear lower ground floor extension, first floor rear closet extension and second floor mansard roof; alteration to fenestration at rear, upgrading windows at front using double glazed units to match existing and lowering of the first floor front elevation windows' sill levels.)
9 Markham Street, London, SW3 3NP · premises record
Applicant Roberts · Officer Gabby Westley
Discharge of Conditions
Approved
2021-11-18
Details required by Condition 4 (Details of windows to be submitted) of planning permission PP/21/00891 (Construction of rear lower ground floor extension, first floor rear closet extension and second floor mansard roof; alteration to fenestration at rear, upgrading windows at front using double glazed units to match existing and lowering of the first floor front elevation windows' sill levels) ***WITHDRAWN***
9 Markham Street, London, SW3 3NP · premises record
Applicant Roberts · Officer Gabby Westley
Discharge of Conditions
Withdrawn
2021-09-27
Installation of air conditioning condensing unit on main roof, housed in slatted timber enclosure.
4 Markham Street, London, SW3 3NP · premises record
Applicant Davies · Officer Ben Brockey
Planning Permission
Approved
2021-08-13
Demolition of closet wing flank wall at lower ground floor level and infilling of light well with flat roof; replacement of sash window at rear ground floor with French doors with Juliet balcony; changing the front bay window of ground floor into double glazed triple sash windows with a large one in the middle and small ones on either side all flush with the wall of the house
4 Markham Street, London, SW3 3NP · premises record
Applicant Davies · Officer Ben Brockey
Planning Permission
Approved
2021-06-25
Demolition of rear single storey boiler room, side infill and closet wing lower ground floor thus creating a cantilevered closet wing undercroft and increasing external patio area. Removal of two rooflights and replacement with green roofs; addition of one traditional sash window on rear elevation, one rooflight above stairwell and internal remodelling
9 Markham Street, London, SW3 3NP · premises record
Applicant M Baker · Officer Lolade Williams
Approved
2025-05-15
More
Planning Permission
Construction of lower ground floor rear extension to include lowering of lower ground floor; roof terrace at rear ground floor level; raising of first floor rear addition roof; removal of redundant rear chimney; internal alterations and alterations to fenestration.
7 Markham Street, London, SW3 3NP · premises record
Applicant R Perrin · Officer Lolade Williams
Approved
2024-06-10
More
Planning Permission
Installation of a rear conservatory
27 Markham Street, London, SW3 3NP · premises record
Applicant Wallace · Officer Cheryl Collins
Approved
2023-11-02
More
Planning Permission
Show all 10 rows
Details required by condition 6 (SuDS) of planning permission 22/07246
4 Markham Street, London, SW3 3NP · premises record
Applicant S Davies · Officer Ben Brockey
Approved
2023-06-23
More
Discharge of Conditions
Demolition of closet wing flank wall at lower ground floor level and construction of single storey side/return extension with flat roof.
4 Markham Street, London, SW3 3NP · premises record
Applicant Davies · Officer Ben Brockey
Approved
2022-11-28
More
Planning Permission
Details required by condition 6 (SuDS) of planning permission 21/00891 (Construction of rear lower ground floor extension, first floor rear closet extension and second floor mansard roof; alteration to fenestration at rear, upgrading windows at front using double glazed units to match existing and lowering of the first floor front elevation windows' sill levels)
9 Markham Street, London, SW3 3NP · premises record
Applicant Roberts · Officer Gabby Westley
Approved
2022-03-07
More
Discharge of Conditions
Details required by condition 4 (Details of windows to be submitted) of planning permission 21/00891 (Construction of rear lower ground floor extension, first floor rear closet extension and second floor mansard roof; alteration to fenestration at rear, upgrading windows at front using double glazed units to match existing and lowering of the first floor front elevation windows' sill levels.)
9 Markham Street, London, SW3 3NP · premises record
Applicant Roberts · Officer Gabby Westley
Approved
2021-11-18
More
Discharge of Conditions
Details required by Condition 4 (Details of windows to be submitted) of planning permission PP/21/00891 (Construction of rear lower ground floor extension, first floor rear closet extension and second floor mansard roof; alteration to fenestration at rear, upgrading windows at front using double glazed units to match existing and lowering of the first floor front elevation windows' sill levels) ***WITHDRAWN***
9 Markham Street, London, SW3 3NP · premises record
Applicant Roberts · Officer Gabby Westley
Withdrawn
2021-09-27
More
Discharge of Conditions
Installation of air conditioning condensing unit on main roof, housed in slatted timber enclosure.
4 Markham Street, London, SW3 3NP · premises record
Applicant Davies · Officer Ben Brockey
Approved
2021-08-13
More
Planning Permission
Demolition of closet wing flank wall at lower ground floor level and infilling of light well with flat roof; replacement of sash window at rear ground floor with French doors with Juliet balcony; changing the front bay window of ground floor into double glazed triple sash windows with a large one in the middle and small ones on either side all flush with the wall of the house
4 Markham Street, London, SW3 3NP · premises record
Applicant Davies · Officer Ben Brockey
Approved
2021-06-25
More
Planning Permission

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 33 premises each one covers.

Designation
Coverage
Conservation Area
Chelsea · reference 27 · covers 33 of 33 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 27 · covers 33 of 33 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 33 of 33 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chelsea · reference 27 · covers 33 of 33 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 27 · covers 33 of 33 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 33 of 33 premises. Some normally permitted changes may require planning permission.
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 4 applications
Applicant on 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 4 applications
Case officer on 4 applications
Case officer on 2 applications
Case officer on 1 application
Applicant on 4 applications
Applicant on 3 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 4 applications
Case officer on 4 applications
Case officer on 2 applications
Case officer on 1 application
Development

What could it become?

Planning precedent54 applications and 54 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings C: 5, D: 12, E: 5, F: 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.

12 intent signals recorded in this postcode
Price decline · EPC F/G · Long hold
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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.
SW3 3NP, Kensington And Chelsea: Planning and Property History | Planning Atlas