Postcode record · Kensington And Chelsea
W11 4BP.
W11 4BP has 35 known premises and 41 planning records — 34 approved of 36 decided (94.4%). 17 EPC records.
Postcode W11 4BP · boundary not held, centred on the postcodeApprovedRefusedOther41 exact41 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
35
Premises
known addresses (UPRNs)
41
Applications
36 decided
94.4%
Approval rate
34 approved · 2 refused
17
EPC records
ratings C 8 · D 8 · E 1
41
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?
W11 4BP has 35 known premises and 41 planning records — 34 approved of 36 decided (94.4%). 17 EPC records.
Premises (18 of 35 shown)
Name
Details
UPRN 217087196
UPRN 217087197
UPRN 217087198
UPRN 217087199
UPRN 217087200
UPRN 217087201
UPRN 217087202
UPRN 217087203
UPRN 217087204
UPRN 217087205
UPRN 217087196
UPRN 217087197
UPRN 217087198
Show all 10 rows
UPRN 217087199
UPRN 217087200
UPRN 217087201
UPRN 217087202
UPRN 217087203
UPRN 217087204
UPRN 217087205
Planning
What happened?
41 planning applications across the postcode; 34 approved of 36 decided (94.4%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Alterations to rear facade including removal of existing metal framed glazed bi-fold doors in lieu of timber framed double glazed casement doors and timber framed double glazed casement windows. Replacement of existing rendered rear elevation for brick slips to match existing stock brick on front elevation.
14 Treadgold Street, London, W11 4BP · premises record
Applicant Backlund · Officer Michael Robertson (Planner Role)
Planning Permission
Approved
2026-02-10
Details required by condition 3 (Flood Risk Assessment/Sustainable Drainage Systems Strategy) of planning permission 24/02025 (Erection of single storey rear and side extension; addition of dormer window within main roof at rear and single rooflight to front elevation roof)
26 Treadgold Street, London, W11 4BP · premises record
Applicant C Coombs · Officer Sarah Winter-Irving
Discharge of Conditions
Approved
2024-11-15
Erection of single storey rear and side extension; addition of dormer window within main roof at rear and single rooflight to front elevation roof
26 Treadgold Street, London, W11 4BP · premises record
Applicant C Coombs · Officer Sarah Winter-Irving
Planning Permission
Approved
2024-03-22
Non-material amendment to planning permission 21/05611 (Construction of single storey side return extension at rear ground floor level with pitched glass roof. Replacement of roof terrace with Juliet Balcony.) to allow instead of installing a Juliet balcony as proposed, the removal of the French windows and small ventilation window at rear first floor level, and the installation of 1 window.
30 Treadgold Street, London, W11 4BP · premises record
Applicant Button · Officer Moses Ekole
Non-Material Amendments
Approved
2022-10-20
Variation of condition 4 (Flood Risk Assessment/Sustainable Urban Drainage) of planning permission ref. PP/21/05611 dated 20th October 2021 to alternative SuDS solution.
30 Treadgold Street, London, W11 4BP · premises record
Applicant Button · Officer Ronaldo Colalillo
Planning Permission
Approved
2022-10-19
Non-material amendment to planning permission PP/21/07668 (Demolition and replacement of infill side extension with addition of glazing to rear) to increase opening of rear fenestration.
25 Treadgold Street, London, W11 4BP · premises record
Applicant Jackson · Officer Moses Ekole
Non-Material Amendments
Approved
2022-07-04
Variation of condition 4 (Flood Risk Assessment / Sustainable Urban Drainage) of planning permission PP/21/05611 to drain via gravity without the installation of attenuation, highlighting unsustainable requirement for a pump, reducing flows and potential for blockage and flooding
30 Treadgold Street, London, W11 4BP · premises record
Applicant Button · Officer Catherine Nichol
Planning Permission
Refused
2022-01-20
Demolition and replacement of infill side extension with addition of glazing to rear.
25 Treadgold Street, London, W11 4BP · premises record
Applicant Jackson · Officer Moses Ekole
Planning Permission
Approved
2021-11-26
Installation of skylight to roof at rear elevation
31A Treadgold Street, London, W11 4BP · premises record
Applicant E Hewens · Officer Saima Iqbal
Planning Permission
Approved
2021-11-01
Construction of single storey side return extension at rear ground floor level with pitched glass roof. Replacement of roof terrace with Juliet Balcony.
30 Treadgold Street, London, W11 4BP · premises record
Applicant Button · Officer Christopher Poad
Planning Permission
Approved
2021-08-25
Alterations to rear facade including removal of existing metal framed glazed bi-fold doors in lieu of timber framed double glazed casement doors and timber framed double glazed casement windows. Replacement of existing rendered rear elevation for brick slips to match existing stock brick on front elevation.
14 Treadgold Street, London, W11 4BP · premises record
Applicant Backlund · Officer Michael Robertson (Planner Role)
Approved
2026-02-10
More
Planning Permission
Details required by condition 3 (Flood Risk Assessment/Sustainable Drainage Systems Strategy) of planning permission 24/02025 (Erection of single storey rear and side extension; addition of dormer window within main roof at rear and single rooflight to front elevation roof)
26 Treadgold Street, London, W11 4BP · premises record
Applicant C Coombs · Officer Sarah Winter-Irving
Approved
2024-11-15
More
Discharge of Conditions
Erection of single storey rear and side extension; addition of dormer window within main roof at rear and single rooflight to front elevation roof
26 Treadgold Street, London, W11 4BP · premises record
Applicant C Coombs · Officer Sarah Winter-Irving
Approved
2024-03-22
More
Planning Permission
Show all 10 rows
Non-material amendment to planning permission 21/05611 (Construction of single storey side return extension at rear ground floor level with pitched glass roof. Replacement of roof terrace with Juliet Balcony.) to allow instead of installing a Juliet balcony as proposed, the removal of the French windows and small ventilation window at rear first floor level, and the installation of 1 window.
30 Treadgold Street, London, W11 4BP · premises record
Applicant Button · Officer Moses Ekole
Approved
2022-10-20
More
Non-Material Amendments
Variation of condition 4 (Flood Risk Assessment/Sustainable Urban Drainage) of planning permission ref. PP/21/05611 dated 20th October 2021 to alternative SuDS solution.
30 Treadgold Street, London, W11 4BP · premises record
Applicant Button · Officer Ronaldo Colalillo
Approved
2022-10-19
More
Planning Permission
Non-material amendment to planning permission PP/21/07668 (Demolition and replacement of infill side extension with addition of glazing to rear) to increase opening of rear fenestration.
25 Treadgold Street, London, W11 4BP · premises record
Applicant Jackson · Officer Moses Ekole
Approved
2022-07-04
More
Non-Material Amendments
Variation of condition 4 (Flood Risk Assessment / Sustainable Urban Drainage) of planning permission PP/21/05611 to drain via gravity without the installation of attenuation, highlighting unsustainable requirement for a pump, reducing flows and potential for blockage and flooding
30 Treadgold Street, London, W11 4BP · premises record
Applicant Button · Officer Catherine Nichol
Refused
2022-01-20
More
Planning Permission
Demolition and replacement of infill side extension with addition of glazing to rear.
25 Treadgold Street, London, W11 4BP · premises record
Applicant Jackson · Officer Moses Ekole
Approved
2021-11-26
More
Planning Permission
Installation of skylight to roof at rear elevation
31A Treadgold Street, London, W11 4BP · premises record
Applicant E Hewens · Officer Saima Iqbal
Approved
2021-11-01
More
Planning Permission
Construction of single storey side return extension at rear ground floor level with pitched glass roof. Replacement of roof terrace with Juliet Balcony.
30 Treadgold Street, London, W11 4BP · premises record
Applicant Button · Officer Christopher Poad
Approved
2021-08-25
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 35 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Conservation Area
Avondale · reference 39 · covers 35 of 35 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 39 · covers 35 of 35 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Conservation Area
Avondale · reference 39 · covers 35 of 35 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 39 · covers 35 of 35 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 4 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Applicant on 4 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent41 applications and 41 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings C: 8, D: 8, 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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
6 intent signals recorded in this postcode
Portfolio seller · Price decline · Long hold · HMO licensed
Subscribe to see the signals →Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.