Postcode record · Kensington And Chelsea
SW3 6DT.
SW3 6DT has 10 known premises and 91 planning records — 66 approved of 72 decided (91.7%). 5 EPC records.
Postcode SW3 6DT · boundary not held, centred on the postcodeApprovedRefusedOther91 exact91 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
10
Premises
known addresses (UPRNs)
91
Applications
72 decided
91.7%
Approval rate
66 approved · 6 refused
5
EPC records
ratings C 1 · D 3 · E 1
91
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 6DT has 10 known premises and 91 planning records — 66 approved of 72 decided (91.7%). 5 EPC records.
Premises
Name
Details
UPRN 217056341
UPRN 217056342
UPRN 217056343
UPRN 217056344
UPRN 217056345
UPRN 217056346
UPRN 217056347
UPRN 217056348
UPRN 217056367
UPRN 217125338
UPRN 217056341
UPRN 217056342
UPRN 217056343
Show all 10 rows
UPRN 217056344
UPRN 217056345
UPRN 217056346
UPRN 217056347
UPRN 217056348
UPRN 217056367
UPRN 217125338
Planning
What happened?
91 planning applications across the postcode; 66 approved of 72 decided (91.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Non-material amendment to planning permission PP/20/04812 to allow for a series of external and internal amendments comprising alterations to windows, louvres and openings on both the front and rear elevations; altered wall, door and windows to the rear extension; installation of new rainwater pipe to rear elevation; revised internal layouts; and other associated works
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Michael Robertson (Planner Role)
Non-Material Amendments
Approved
2026-04-02
Details required by Condition 17 (Contamination Verification Report) of planning permission PP/20/04812 (Change of use of basement, ground and three upper storeys from former telephone exchange (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building)
19 Mallord Street, London, SW3 6AP · premises record
Applicant The Third Space Group Limited · Officer Chris Turner
Discharge of Conditions
Approved
2026-03-09
Details required by condition 3d (submission of details - d) Lighting Schedule) of planning permission 20/04812 (Change of use of basement, ground and three upper storeys from former telephone ex-change (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Chris Turner
Discharge of Conditions
Approved
2026-01-15
Details required by Condition 27 (Air Source Heat Pumps (ASHP), Ground Source Heat Pumps (GSHP), Photovoltaic Panels & Electric Boiler Compliance) of Planning Permission PP/20/04812 (Change of use of basement, ground and three upper storeys from former telephone ex-change (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building)
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Anastassia Vissarionov
Discharge of Conditions
Approved
2026-01-13
Installation of underfloor heating on the ground floor, first floor and second floor.?Replacement of the existing single-glazed units with double-glazed units to the rear window and door frames.?New doors to replace existing windows.?Introduction of Solar Panels and an Air Source Heat Pump (ASHP)?and air conditioning unit.
13 Mallord Street, London, SW3 6DT · premises record
Applicant Hoas · Officer Vsevolod Lobov
Listed Building Consent
Withdrawn
2025-12-17
Installation of underfloor heating on the ground floor, first floor and second floor.?Replacement of the existing single-glazed units with double-glazed units to the rear window and door frames.?New doors to replace existing windows.?Introduction of Solar Panels and an Air Source Heat Pump (ASHP)?and air conditioning unit.
13 Mallord Street, London, SW3 6DT · premises record
Applicant Hoas · Officer Vsevolod Lobov
Planning Permission
Withdrawn
2025-12-17
Prune 1 x Magnolia and 1 x Cotoneaster (rear)
3 Mallord Street, London, SW3 6DT · premises record
Applicant Morresi · Officer Angus Morrison
Prune
No objection
2025-11-17
Provision of lightwell with flush grille over within front garden
5 Mallord Street, London, SW3 6DT · premises record
Applicant Lynch Huggins · Officer Saima Iqbal
Planning Permission
Approved
2025-10-20
Details required by condition 3e (Submission of details - (e) Cycle parking and storage;) of planning permission 20/04812 (Change of use of basement, ground and three upper storeys from former telephone exchange (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building.)
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Neville Palmer
Discharge of Conditions
Approved
2025-09-18
Details required by condition 3c (Submission of details - (c) Green roof, planting schedule and maintenance;) of planning permission 20/04812 (Change of use of basement, ground and three upper storeys from former telephone exchange (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building.)
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Neville Palmer
Discharge of Conditions
Approved
2025-09-18
Non-material amendment to planning permission PP/20/04812 to allow for a series of external and internal amendments comprising alterations to windows, louvres and openings on both the front and rear elevations; altered wall, door and windows to the rear extension; installation of new rainwater pipe to rear elevation; revised internal layouts; and other associated works
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Michael Robertson (Planner Role)
Approved
2026-04-02
More
Non-Material Amendments
Details required by Condition 17 (Contamination Verification Report) of planning permission PP/20/04812 (Change of use of basement, ground and three upper storeys from former telephone exchange (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building)
19 Mallord Street, London, SW3 6AP · premises record
Applicant The Third Space Group Limited · Officer Chris Turner
Approved
2026-03-09
More
Discharge of Conditions
Details required by condition 3d (submission of details - d) Lighting Schedule) of planning permission 20/04812 (Change of use of basement, ground and three upper storeys from former telephone ex-change (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Chris Turner
Approved
2026-01-15
More
Discharge of Conditions
Show all 10 rows
Details required by Condition 27 (Air Source Heat Pumps (ASHP), Ground Source Heat Pumps (GSHP), Photovoltaic Panels & Electric Boiler Compliance) of Planning Permission PP/20/04812 (Change of use of basement, ground and three upper storeys from former telephone ex-change (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building)
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Anastassia Vissarionov
Approved
2026-01-13
More
Discharge of Conditions
Installation of underfloor heating on the ground floor, first floor and second floor.?Replacement of the existing single-glazed units with double-glazed units to the rear window and door frames.?New doors to replace existing windows.?Introduction of Solar Panels and an Air Source Heat Pump (ASHP)?and air conditioning unit.
13 Mallord Street, London, SW3 6DT · premises record
Applicant Hoas · Officer Vsevolod Lobov
Withdrawn
2025-12-17
More
Listed Building Consent
Installation of underfloor heating on the ground floor, first floor and second floor.?Replacement of the existing single-glazed units with double-glazed units to the rear window and door frames.?New doors to replace existing windows.?Introduction of Solar Panels and an Air Source Heat Pump (ASHP)?and air conditioning unit.
13 Mallord Street, London, SW3 6DT · premises record
Applicant Hoas · Officer Vsevolod Lobov
Withdrawn
2025-12-17
More
Planning Permission
Prune 1 x Magnolia and 1 x Cotoneaster (rear)
3 Mallord Street, London, SW3 6DT · premises record
Applicant Morresi · Officer Angus Morrison
No objection
2025-11-17
More
Prune
Provision of lightwell with flush grille over within front garden
5 Mallord Street, London, SW3 6DT · premises record
Applicant Lynch Huggins · Officer Saima Iqbal
Approved
2025-10-20
More
Planning Permission
Details required by condition 3e (Submission of details - (e) Cycle parking and storage;) of planning permission 20/04812 (Change of use of basement, ground and three upper storeys from former telephone exchange (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building.)
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Neville Palmer
Approved
2025-09-18
More
Discharge of Conditions
Details required by condition 3c (Submission of details - (c) Green roof, planting schedule and maintenance;) of planning permission 20/04812 (Change of use of basement, ground and three upper storeys from former telephone exchange (Sui Generis) to new health and fitness club; creation of small single storey rear extension at basement level; excavation for a swimming pool at basement level; alterations to entrances and external paving; and other works and improvements to building.)
19 Mallord Street, London, SW3 6AP · premises record
Applicant Not disclosed · Officer Neville Palmer
Approved
2025-09-18
More
Discharge of Conditions
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 10 premises each one covers.
Designation
Coverage
Conservation Area
Chelsea Park/Carlyle · reference 25 · covers 10 of 10 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 10 of 10 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 25 · covers 10 of 10 premises. Protected-tree works may require consent or formal notice.
Conservation Area
Chelsea Park/Carlyle · reference 25 · covers 10 of 10 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 10 of 10 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 25 · covers 10 of 10 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 9 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Case officer on 11 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Applicant on 9 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Case officer on 11 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent91 applications and 91 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy5 EPC records; ratings C: 1, D: 3, 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
5 intent signals recorded in this postcode
Application withdrawn · Price decline · Long hold
Subscribe to see the signals →Thinking about a project here?
How long would a planning application take here? →
Kensington And Chelsea's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Kensington And Chelsea, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.