Postcode record · Kensington And Chelsea
W11 3NL.
W11 3NL has 12 known premises and 12 planning records — 10 approved of 11 decided (90.9%). 9 EPC records.
Postcode W11 3NL · boundary not held, centred on the postcodeApprovedRefusedOther12 exact12 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
12
Premises
known addresses (UPRNs)
12
Applications
11 decided
90.9%
Approval rate
10 approved · 1 refused
9
EPC records
ratings D 6 · E 1 · F 2
12
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 3NL has 12 known premises and 12 planning records — 10 approved of 11 decided (90.9%). 9 EPC records.
Premises
Name
Details
UPRN 217040893
UPRN 217040894
UPRN 217040895
UPRN 217040896
UPRN 217040897
UPRN 217040898
UPRN 217040899
UPRN 217040900
UPRN 217040901
UPRN 217040902
UPRN 217040893
UPRN 217040894
UPRN 217040895
Show all 10 rows
UPRN 217040896
UPRN 217040897
UPRN 217040898
UPRN 217040899
UPRN 217040900
UPRN 217040901
UPRN 217040902
Planning
What happened?
12 planning applications across the postcode; 10 approved of 11 decided (90.9%). Latest 12 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of Air Source Heat Pump to Roof
9 Horbury Mews, London, W11 3NL · premises record
Planning Permission
Approved
2019-07-01
Installation of windows into rear elevation. (Certificate of Lawful Proposed Use/Development)
9 Horbury Mews, London, W11 3NL · premises record
Certificates Lawful Proposed Use or Dev.
Approved
2019-05-17
Replacement of existing windows, front door and roof
9 Horbury Mews, London, W11 3NL · premises record
Planning Permission
Approved
2019-04-15
Confirmation that the continued use of the space on the ground floor has been in use for residential purposes in excess of 4 years. (Certificate of Lawful Existing Use)
9 Horbury Mews, London, W11 3NL · premises record
Certificates Lawful Existing Use or Dev.
Approved
2019-02-18
Enlargement of existing front ground floor window by lowering of sill height.
2 Horbury Mews, London, W11 3NL · premises record
Planning Permission
Approved
2008-07-21
Installation of a timber framed obscure glazed sash window within the rear elevation.
12 Horbury Mews, London, W11 3NL · premises record
Planning Permission
Approved
2007-08-22
Installation of a air conditioning condenser unit on rear roof terrace at top floor level.
1 Horbury Mews, London, W11 3NL · premises record
Planning Permission
Approved
2007-05-16
Extension of roof space to create accommodation on the second floor. Height to align with adjacent mews. Retention of chimney stack at South edge of property. Formation of three dormers with timber framed sash windows to front elevation with clear glass to match elsewhere in mews. Removal of glass block window and replacement with formation of two timber framed sash windows to first floor rear elevation which are fixed at the bottom, acid etched, and openable by five inches at the top. Enlargement of two existing dormers at rear of the property with acid etched finish to glass and fully openable.
12 Horbury Mews, London, W11 3NL · premises record
Planning Permission
Refused
2006-09-27
Extension of roof space to create accommodation on second floor. Height to align with adjacent mews. Removal of chimney at South edge of property. Formation of four dormers with timber framed sash windows to front elevation. Removal of glass block opening and replacement with formation of four timber framed sash windows to first floor rear elevation (windows to have obscured glass). Enlargement of 2 existing dormers and windows within new roof profile to rear elevation.
12 Horbury Mews, London, W11 3NL · premises record
Planning Permission
Withdrawn
2006-04-10
Construction of mansard roof to form new second floor accommodation.
3 Horbury Mews, London, W11 3NL · premises record
Planning Permission
Approved
2006-01-05
Installation of Air Source Heat Pump to Roof
9 Horbury Mews, London, W11 3NL · premises record
Approved
2019-07-01
More
Planning Permission
Installation of windows into rear elevation. (Certificate of Lawful Proposed Use/Development)
9 Horbury Mews, London, W11 3NL · premises record
Approved
2019-05-17
More
Certificates Lawful Proposed Use or Dev.
Replacement of existing windows, front door and roof
9 Horbury Mews, London, W11 3NL · premises record
Approved
2019-04-15
More
Planning Permission
Show all 10 rows
Confirmation that the continued use of the space on the ground floor has been in use for residential purposes in excess of 4 years. (Certificate of Lawful Existing Use)
9 Horbury Mews, London, W11 3NL · premises record
Approved
2019-02-18
More
Certificates Lawful Existing Use or Dev.
Enlargement of existing front ground floor window by lowering of sill height.
2 Horbury Mews, London, W11 3NL · premises record
Approved
2008-07-21
More
Planning Permission
Installation of a timber framed obscure glazed sash window within the rear elevation.
12 Horbury Mews, London, W11 3NL · premises record
Approved
2007-08-22
More
Planning Permission
Installation of a air conditioning condenser unit on rear roof terrace at top floor level.
1 Horbury Mews, London, W11 3NL · premises record
Approved
2007-05-16
More
Planning Permission
Extension of roof space to create accommodation on the second floor. Height to align with adjacent mews. Retention of chimney stack at South edge of property. Formation of three dormers with timber framed sash windows to front elevation with clear glass to match elsewhere in mews. Removal of glass block window and replacement with formation of two timber framed sash windows to first floor rear elevation which are fixed at the bottom, acid etched, and openable by five inches at the top. Enlargement of two existing dormers at rear of the property with acid etched finish to glass and fully openable.
12 Horbury Mews, London, W11 3NL · premises record
Refused
2006-09-27
More
Planning Permission
Extension of roof space to create accommodation on second floor. Height to align with adjacent mews. Removal of chimney at South edge of property. Formation of four dormers with timber framed sash windows to front elevation. Removal of glass block opening and replacement with formation of four timber framed sash windows to first floor rear elevation (windows to have obscured glass). Enlargement of 2 existing dormers and windows within new roof profile to rear elevation.
12 Horbury Mews, London, W11 3NL · premises record
Withdrawn
2006-04-10
More
Planning Permission
Construction of mansard roof to form new second floor accommodation.
3 Horbury Mews, London, W11 3NL · premises record
Approved
2006-01-05
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 12 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 12 of 12 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 3 · covers 12 of 12 premises. Protected-tree works may require consent or formal notice.
Archaeological Priority Area
Summary and Definition The APA forms an east-west corridor along Holland Park Avenue, Notting Hill Gate and the Bayswater Road (A406) which follows the approximate route of the major Roman road from London (Londinium via Newgate) to the import · reference 77609 · covers 12 of 12 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Ladbroke · reference 3 · covers 12 of 12 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 68 · reference 83 · covers 12 of 12 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 - No 41 · reference 21 · covers 2 of 12 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 12 of 12 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 3 · covers 12 of 12 premises. Protected-tree works may require consent or formal notice.
Archaeological Priority Area
Summary and Definition The APA forms an east-west corridor along Holland Park Avenue, Notting Hill Gate and the Bayswater Road (A406) which follows the approximate route of the major Roman road from London (Londinium via Newgate) to the import · reference 77609 · covers 12 of 12 premises. Groundworks may require archaeological assessment or investigation.
Show all 6 rows
Conservation Area
Ladbroke · reference 3 · covers 12 of 12 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 68 · reference 83 · covers 12 of 12 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 - No 41 · reference 21 · covers 2 of 12 premises. Some normally permitted changes may require planning permission.
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?
Applicants, agents and officers are attached per application; the current area build carries references only — the borough entity run adds the names here.
Development
What could it become?
Planning precedent12 applications and 12 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy9 EPC records; ratings D: 6, E: 1, F: 2.
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.
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.