Postcode record · Hounslow
W4 1NJ.
W4 1NJ has 45 known premises and 114 planning records — 83 approved of 96 decided (86.5%). 20 EPC records.
Postcode W4 1NJ · boundary not held, centred on the postcodeApprovedRefusedOther114 exact3 approximate117 on the map — every match
At a glance · this postcodeHounslow profile →
45
Premises
known addresses (UPRNs)
114
Applications
96 decided
86.5%
Approval rate
83 approved · 13 refused
20
EPC records
ratings C 3 · D 9 · E 6 · G 2
117
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?
W4 1NJ has 45 known premises and 114 planning records — 83 approved of 96 decided (86.5%). 20 EPC records.
Premises (18 of 45 shown)
Name
Details
UPRN 100021584688
UPRN 100021584691
UPRN 100021584718
UPRN 100023489726
UPRN 200002236566
UPRN 200002236567
UPRN 200002236568
UPRN 200002247265
UPRN 200002251449
UPRN 200002315069
UPRN 100021584688
UPRN 100021584691
UPRN 100021584718
Show all 10 rows
UPRN 100023489726
UPRN 200002236566
UPRN 200002236567
UPRN 200002236568
UPRN 200002247265
UPRN 200002251449
UPRN 200002315069
Planning
What happened?
114 planning applications across the postcode; 83 approved of 96 decided (86.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Works to tree in a Conservation Area. T1 Leyland Cypress. Reduce in height by approximately 1.5 metres and cut back away from rear neighbour by approximately 1.5 metres, trim all other aspects to create a flat top and sides
24 Gainsborough Road,Chiswick,London,W4 1NJ · premises record
Officer Kevin Greening
Works to Trees in Conservation Area
No objection
2026-05-08
Details of Condition 5 (Construction Method Statement) and Condition 6 (Construction Logistics Plan) submitted pursuant to planning permission P/2025/2379 dated 29/09/25 for the erection of a basement extension with front light well.
16 Gainsborough Road, Chiswick, London, W4 1NJ · premises record
Officer Louise Oppe
Details pursuant to a planning condition
Approved
2025-12-23
Crown reduce to 1metre below previous reduction points, retain low inbound branches for screening purposes, shape to balance and tidy and remove major deadwood.
26 Gainsborough Road, Chiswick, London, W4 1NJ · premises record
Officer Kevin Greening
Works to Trees in Conservation Area
No objection
2025-10-07
Erection of a basement extension with front light well
16 Gainsborough Road,Chiswick,Hounslow,W4 1NJ · premises record
Applicant Mr and Mrs Howard and Yvonne Sharp · Officer Louise Oppe
Householder Applications
Approved
2025-08-04
Alterations to fenestration including replacement of windows with double glazed timber windows and enlargement of one front window
10 Gainsborough Road, Chiswick, London, W4 1NJ · premises record
Officer Louise Oppe
Householder Applications
Approved
2025-06-17
Erection of a single storey side infill and rear extension to the ground floor flat.
Ground Floor Flat 5 Gainsborough Road, London, W4 1NJ · premises record
Applicant Ms Pandora Sewell · Officer Daniel Hughes
PF-Full Applications
Approved
2025-05-20
Non-Material amendment to replace the current casement windows with a Juliet balcony following permission P/2024/2833 dated 07/02/2025 for Erection of rear roof extension and one front roof window to the house.
16 Gainsborough Road,Chiswick,London, W4 1NJ · premises record
Officer Louise Oppe
Non-Material Minor Amendment to an existing Planning Application
Approved
2025-03-12
Non Material Amendment to allow the creation of a box roof to interconnect the new proposed dormer with the party wall line following permission P/2024/2833 dated 07/02/2025 for Erection of rear roof extension and one front roof window to the house
16 Gainsborough Road,Chiswick,London,W4 1NJ · premises record
Officer Louise Oppe
Non-Material Minor Amendment to an existing Planning Application
Approved
2025-03-05
Non material amendment to allow the installation of a conservation roof light above the landing following permission P/2024/2833 dated 07/02/2025 for Erection of rear roof extension and one front roof window to the house
16 Gainsborough Road,Chiswick,London,W4 1NJ · premises record
Officer Louise Oppe
Non-Material Minor Amendment to an existing Planning Application
Approved
2025-03-05
Non material amendment to replace the existing stained glass front entrance door with a solid wood door of permission P/2024/2832 dated 23/08/2024 for Demolition of existing single storey rear extension and erection of a single storey side and rear extension and enlargement of the existing basement to the house
16 Gainsborough Road,Chiswick,London,W4 1NJ · premises record
Officer Louise Oppe
Non-Material Minor Amendment to an existing Planning Application
Withdrawn
2025-03-05
Works to tree in a Conservation Area. T1 Leyland Cypress. Reduce in height by approximately 1.5 metres and cut back away from rear neighbour by approximately 1.5 metres, trim all other aspects to create a flat top and sides
24 Gainsborough Road,Chiswick,London,W4 1NJ · premises record
Officer Kevin Greening
No objection
2026-05-08
More
Works to Trees in Conservation Area
Details of Condition 5 (Construction Method Statement) and Condition 6 (Construction Logistics Plan) submitted pursuant to planning permission P/2025/2379 dated 29/09/25 for the erection of a basement extension with front light well.
16 Gainsborough Road, Chiswick, London, W4 1NJ · premises record
Officer Louise Oppe
Approved
2025-12-23
More
Details pursuant to a planning condition
Crown reduce to 1metre below previous reduction points, retain low inbound branches for screening purposes, shape to balance and tidy and remove major deadwood.
26 Gainsborough Road, Chiswick, London, W4 1NJ · premises record
Officer Kevin Greening
No objection
2025-10-07
More
Works to Trees in Conservation Area
Show all 10 rows
Erection of a basement extension with front light well
16 Gainsborough Road,Chiswick,Hounslow,W4 1NJ · premises record
Applicant Mr and Mrs Howard and Yvonne Sharp · Officer Louise Oppe
Approved
2025-08-04
More
Householder Applications
Alterations to fenestration including replacement of windows with double glazed timber windows and enlargement of one front window
10 Gainsborough Road, Chiswick, London, W4 1NJ · premises record
Officer Louise Oppe
Approved
2025-06-17
More
Householder Applications
Erection of a single storey side infill and rear extension to the ground floor flat.
Ground Floor Flat 5 Gainsborough Road, London, W4 1NJ · premises record
Applicant Ms Pandora Sewell · Officer Daniel Hughes
Approved
2025-05-20
More
PF-Full Applications
Non-Material amendment to replace the current casement windows with a Juliet balcony following permission P/2024/2833 dated 07/02/2025 for Erection of rear roof extension and one front roof window to the house.
16 Gainsborough Road,Chiswick,London, W4 1NJ · premises record
Officer Louise Oppe
Approved
2025-03-12
More
Non-Material Minor Amendment to an existing Planning Application
Non Material Amendment to allow the creation of a box roof to interconnect the new proposed dormer with the party wall line following permission P/2024/2833 dated 07/02/2025 for Erection of rear roof extension and one front roof window to the house
16 Gainsborough Road,Chiswick,London,W4 1NJ · premises record
Officer Louise Oppe
Approved
2025-03-05
More
Non-Material Minor Amendment to an existing Planning Application
Non material amendment to allow the installation of a conservation roof light above the landing following permission P/2024/2833 dated 07/02/2025 for Erection of rear roof extension and one front roof window to the house
16 Gainsborough Road,Chiswick,London,W4 1NJ · premises record
Officer Louise Oppe
Approved
2025-03-05
More
Non-Material Minor Amendment to an existing Planning Application
Non material amendment to replace the existing stained glass front entrance door with a solid wood door of permission P/2024/2832 dated 23/08/2024 for Demolition of existing single storey rear extension and erection of a single storey side and rear extension and enlargement of the existing basement to the house
16 Gainsborough Road,Chiswick,London,W4 1NJ · premises record
Officer Louise Oppe
Withdrawn
2025-03-05
More
Non-Material Minor Amendment to an existing Planning Application
Building control
Building-control records are not yet collected for Hounslow — 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 45 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 45 of 45 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area follows the projected line of the London to Silchester Roman road as it travels through the Borough of Hounslow. This is one of the major Roman roads radiating out west f · reference 220942 · covers 39 of 45 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Bedford Park · reference 1205 · covers 39 of 45 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Bedford Park (article 4) · reference HSLCA04 · covers 39 of 45 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4(2) directions for Bedford Park and Gunnersbury Conservation areas · reference A4D.1 · covers 39 of 45 premises. Some normally permitted changes may require planning permission.
Conservation Area
Turnham Green · reference 1225 · covers 6 of 45 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Turnham Green · reference HSLCA08 · covers 6 of 45 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
The line of the main Roman Road from Londinium to Silchester and the West. The road has been found in the roadside settlement at Brentford, but its exact route has not been demonstrated elsewhere. · reference 78072 · covers 3 of 45 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 45 of 45 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area follows the projected line of the London to Silchester Roman road as it travels through the Borough of Hounslow. This is one of the major Roman roads radiating out west f · reference 220942 · covers 39 of 45 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Bedford Park · reference 1205 · covers 39 of 45 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Show all 8 rows
Conservation Area
Bedford Park (article 4) · reference HSLCA04 · covers 39 of 45 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4(2) directions for Bedford Park and Gunnersbury Conservation areas · reference A4D.1 · covers 39 of 45 premises. Some normally permitted changes may require planning permission.
Conservation Area
Turnham Green · reference 1225 · covers 6 of 45 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Turnham Green · reference HSLCA08 · covers 6 of 45 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
The line of the main Roman Road from Londinium to Silchester and the West. The road has been found in the roadside settlement at Brentford, but its exact route has not been demonstrated elsewhere. · reference 78072 · covers 3 of 45 premises. Groundworks may require archaeological assessment or investigation.
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 14 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Case officer on 14 applications
Case officer on 3 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 precedent114 applications and 117 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 3, D: 9, E: 6, G: 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
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.
8 intent signals recorded in this postcode
EPC F/G · Repeat sale · Long hold · Ageing director
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.