Planning Atlas
AtlasPostcodeW38LH
Planning AtlasHounslowChiswick Gunnersbury wardW3 8LH
Postcode record · Hounslow

W3 8LH.

W3 8LH has 7 known premises and 7 planning records — 4 approved of 6 decided (66.7%). 6 EPC records.

Postcode W3 8LH · boundary not held, centred on the postcodeApprovedRefusedOther7 exact1 approximate8 on the map — every match
At a glance · this postcodeHounslow profile →
7
Premises
known addresses (UPRNs)
7
Applications
6 decided
66.7%
Approval rate
4 approved · 2 refused
6
EPC records
ratings D 1 · E 4 · G 1
8
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?

W3 8LH has 7 known premises and 7 planning records — 4 approved of 6 decided (66.7%). 6 EPC records.

Premises

Planning

What happened?

7 planning applications across the postcode; 4 approved of 6 decided (66.7%). Latest 7 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Prior Approval for the change of use of the building's existing basement floor office (Class E) to a self-contained one bedspace, one person studio flat (Class C3).
Challenger House, 125 Gunnersbury Lane, Acton, London, W3 8LH · premises record
Prior Approval Office to Residential
Approved
2025-10-07
Retrospective application for the replacement of the part commercial (Class E), part residential (Class C3) building's previous ground (basement) floor single rear door and two windows with two matching glazed single rear doors with adjoining floor to ceiling rear windows.
Challenger House,125 Gunnersbury Lane,Acton,W3 8LH · premises record
PF-Full Applications
Approved
2025-07-11
Prior notification for the change of use from offices to two residential units
CHALLENGER HOUSE 125 GUNNERSBURY LANE, ACTON, W3 8LH · premises record
Applicant Mr H Cohen · Officer Leo Hall
Prior Approval Office to Residential
Refused
2021-03-23
Prior notification for the erection of a two storey extension to provide for four self-contained flats.
CHALLENGER HOUSE 125 GUNNERSBURY LANE, ACTON, W3 8LH · premises record
Applicant Mr Cohen · Officer Leo Hall
Prior Approvals all others
Withdrawn
2021-03-23
Rooftop installation of a 5m high (168mm diameter) imitation flag pole together with equipment cabinets and ancillary development to serve the T mobile telephone network
Challenger House 125 Gunnersbury Lane, Chiswick, London, W3 8LH · premises record
PF-Full Applications
Approved
2007-07-11
Installation of telecommunications base station comprising antenna, equiptment cabinet and ancillary development on the roof, and equiptment cabnet at ground floor level, and increase in height of existing parapet wall.
CHALLENGER HOUSE 125 Gunnersbury Lane, Chiswick, London, W3 8LH · premises record
Applicant Cell CS 50833 · Officer zzzTodd Baldwin
PF-Full Applications
Refused
2006-04-10
Change of use of upper three floors from offices to size onebedroom flats.
125 Gunnersbury Lane, Acton, London, W3 8LH · premises record
PF-Full Applications
Approved
1996-12-05
Prior Approval for the change of use of the building's existing basement floor office (Class E) to a self-contained one bedspace, one person studio flat (Class C3).
Challenger House, 125 Gunnersbury Lane, Acton, London, W3 8LH · premises record
Approved
2025-10-07
More
Prior Approval Office to Residential
Retrospective application for the replacement of the part commercial (Class E), part residential (Class C3) building's previous ground (basement) floor single rear door and two windows with two matching glazed single rear doors with adjoining floor to ceiling rear windows.
Challenger House,125 Gunnersbury Lane,Acton,W3 8LH · premises record
Approved
2025-07-11
More
PF-Full Applications
Prior notification for the change of use from offices to two residential units
CHALLENGER HOUSE 125 GUNNERSBURY LANE, ACTON, W3 8LH · premises record
Applicant Mr H Cohen · Officer Leo Hall
Refused
2021-03-23
More
Prior Approval Office to Residential
Show all 7 rows
Prior notification for the erection of a two storey extension to provide for four self-contained flats.
CHALLENGER HOUSE 125 GUNNERSBURY LANE, ACTON, W3 8LH · premises record
Applicant Mr Cohen · Officer Leo Hall
Withdrawn
2021-03-23
More
Prior Approvals all others
Rooftop installation of a 5m high (168mm diameter) imitation flag pole together with equipment cabinets and ancillary development to serve the T mobile telephone network
Challenger House 125 Gunnersbury Lane, Chiswick, London, W3 8LH · premises record
Approved
2007-07-11
More
PF-Full Applications
Installation of telecommunications base station comprising antenna, equiptment cabinet and ancillary development on the roof, and equiptment cabnet at ground floor level, and increase in height of existing parapet wall.
CHALLENGER HOUSE 125 Gunnersbury Lane, Chiswick, London, W3 8LH · premises record
Applicant Cell CS 50833 · Officer zzzTodd Baldwin
Refused
2006-04-10
More
PF-Full Applications
Change of use of upper three floors from offices to size onebedroom flats.
125 Gunnersbury Lane, Acton, London, W3 8LH · premises record
Approved
1996-12-05
More
PF-Full Applications

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 7 premises each one covers.

Designation
Coverage
Conservation Area
Gunnersbury Park · reference 1210 · covers 7 of 7 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Gunnersbury Park (article 4) · reference HSLCA15 · covers 7 of 7 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 7 of 7 premises. Some normally permitted changes may require planning permission.
Conservation Area
Gunnersbury Park · reference 1210 · covers 7 of 7 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Gunnersbury Park (article 4) · reference HSLCA15 · covers 7 of 7 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 7 of 7 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?

Named on the latest 7 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 9 rows
Applicant on 1 application
Applicant on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent7 applications and 8 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy6 EPC records; ratings D: 1, E: 4, G: 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.

2 intent signals recorded in this postcode
EPC F/G · 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.