Postcode record · Hounslow
W4 1QF.
W4 1QF has 49 known premises and 25 planning records — 13 approved of 15 decided (86.7%). 25 EPC records.
Postcode W4 1QF · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeHounslow profile →
49
Premises
known addresses (UPRNs)
25
Applications
15 decided
86.7%
Approval rate
13 approved · 2 refused
25
EPC records
ratings C 4 · D 13 · E 6 · F 2
25
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 1QF has 49 known premises and 25 planning records — 13 approved of 15 decided (86.7%). 25 EPC records.
Premises (18 of 49 shown)
Name
Details
UPRN 10014074219
UPRN 10014074220
UPRN 10093261441
UPRN 100021590967
UPRN 100021590969
UPRN 100021590971
UPRN 100021590979
UPRN 100021590980
UPRN 100021590981
UPRN 100021591006
UPRN 10014074219
UPRN 10014074220
UPRN 10093261441
Show all 10 rows
UPRN 100021590967
UPRN 100021590969
UPRN 100021590971
UPRN 100021590979
UPRN 100021590980
UPRN 100021590981
UPRN 100021591006
Planning
What happened?
25 planning applications across the postcode; 13 approved of 15 decided (86.7%). Latest 25 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of single storey part rear and side extensions, installation of two front roof lights, replacement of rear windows, replacement of existing rear dormer with juliet balcony. Conversion from flats to one single house.
37 Thornton Avenue, Chiswick, London, W4 1QF · premises record
Applicant Mr and Mr Bernard and Demetrio Lee and Loris · Officer Louise Oppe
PF-Full Applications
Approved
2026-03-02
Certificate of Lawfulness for proposed conversion of property from two flats to a single dwelling house with no external alterations
69 Thornton Avenue,Chiswick,London,Hounslow,W4 1QF · premises record
Applicant agent · Officer Louise Oppe
Lawful Development Certificate (Proposed)
Approved
2024-05-17
Addition of one oriel window and aluminium sliding doors to existing rear extension.
49 THORNTON AVENUE, CHISWICK, W4 1QF · premises record
Applicant Laidlaw · Officer zzzJack Meacher
Householder Applications
Approved
2021-05-20
Addition of two oriel windows to the First Floor Rear Elevation.
49 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF · premises record
Applicant Laidlaw · Officer zzzJack Meacher
Householder Applications
Approved
2021-02-08
Erection of a single storey side and rear extension to the house with roof lights.
49 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF · premises record
Applicant Laidlaw · Officer zzzJack Meacher
Householder Applications
Approved
2021-02-08
Certificate of Lawfulness for the erection of a rear roof extension with a front roof window and installation of an array of PV Solar panels on rear outrigger roof
49 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF · premises record
Applicant Laidlaw · Officer zzzJack Meacher
Lawful Use Certificate
Not required
2021-02-08
Variation of condition 3 (approved plans) to allow the new rear ground floor extension wall to match height of existing party wall following planning approval 01122/75/P2 dated 13/03/2019 for enlargement of existing basement and erection of single storey rear infill extension to the house. Demolition of existing ground floor outrigger extension and erection of new ground floor outrigger extension to house
75 THORNTON AVENUE, CHISWICK, W4 1QF · premises record
Applicant Mr Aidan Omeara · Officer ZZZGavin Curwen
Householder Applications
Approved
2019-12-11
Certificate of Lawfulness for the erection of a rear roof extension
75 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF · premises record
Applicant Ms katie omeara · Officer zzzMatthew Lambert
Lawful Use Certificate
Not required
2019-03-06
Enlargement of existing basement and erection of single storey rear infill extension to the house. Demolition of existing ground floor outrigger extension and erection of new ground floor outrigger extension to house.
75 THORNTON AVENUE, CHISWICK, W4 1QF · premises record
Applicant Ms Katie Omera · Officer zzzMatthew Lambert
Householder Applications
Approved
2019-01-14
Certificate of Lawfulness for the erection of a rear roof extention to the rear of the house.
75 THORNTON AVENUE, CHISWICK, W4 1QF · premises record
Applicant Ms Katie Omera · Officer zzzMatthew Lambert
Lawful Use Certificate
Refused
2019-01-14
Erection of single storey part rear and side extensions, installation of two front roof lights, replacement of rear windows, replacement of existing rear dormer with juliet balcony. Conversion from flats to one single house.
37 Thornton Avenue, Chiswick, London, W4 1QF · premises record
Applicant Mr and Mr Bernard and Demetrio Lee and Loris · Officer Louise Oppe
Approved
2026-03-02
More
PF-Full Applications
Certificate of Lawfulness for proposed conversion of property from two flats to a single dwelling house with no external alterations
69 Thornton Avenue,Chiswick,London,Hounslow,W4 1QF · premises record
Applicant agent · Officer Louise Oppe
Approved
2024-05-17
More
Lawful Development Certificate (Proposed)
Addition of one oriel window and aluminium sliding doors to existing rear extension.
49 THORNTON AVENUE, CHISWICK, W4 1QF · premises record
Applicant Laidlaw · Officer zzzJack Meacher
Approved
2021-05-20
More
Householder Applications
Show all 10 rows
Addition of two oriel windows to the First Floor Rear Elevation.
49 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF · premises record
Applicant Laidlaw · Officer zzzJack Meacher
Approved
2021-02-08
More
Householder Applications
Erection of a single storey side and rear extension to the house with roof lights.
49 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF · premises record
Applicant Laidlaw · Officer zzzJack Meacher
Approved
2021-02-08
More
Householder Applications
Certificate of Lawfulness for the erection of a rear roof extension with a front roof window and installation of an array of PV Solar panels on rear outrigger roof
49 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF · premises record
Applicant Laidlaw · Officer zzzJack Meacher
Not required
2021-02-08
More
Lawful Use Certificate
Variation of condition 3 (approved plans) to allow the new rear ground floor extension wall to match height of existing party wall following planning approval 01122/75/P2 dated 13/03/2019 for enlargement of existing basement and erection of single storey rear infill extension to the house. Demolition of existing ground floor outrigger extension and erection of new ground floor outrigger extension to house
75 THORNTON AVENUE, CHISWICK, W4 1QF · premises record
Applicant Mr Aidan Omeara · Officer ZZZGavin Curwen
Approved
2019-12-11
More
Householder Applications
Certificate of Lawfulness for the erection of a rear roof extension
75 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF · premises record
Applicant Ms katie omeara · Officer zzzMatthew Lambert
Not required
2019-03-06
More
Lawful Use Certificate
Enlargement of existing basement and erection of single storey rear infill extension to the house. Demolition of existing ground floor outrigger extension and erection of new ground floor outrigger extension to house.
75 THORNTON AVENUE, CHISWICK, W4 1QF · premises record
Applicant Ms Katie Omera · Officer zzzMatthew Lambert
Approved
2019-01-14
More
Householder Applications
Certificate of Lawfulness for the erection of a rear roof extention to the rear of the house.
75 THORNTON AVENUE, CHISWICK, W4 1QF · premises record
Applicant Ms Katie Omera · Officer zzzMatthew Lambert
Refused
2019-01-14
More
Lawful Use Certificate
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 49 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 49 of 49 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 49 of 49 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 25 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent25 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy25 EPC records; ratings C: 4, D: 13, E: 6, 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
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.
7 intent signals recorded in this postcode
HMO licence expiring · EPC F/G · Long hold · HMO licensed
Subscribe to see the signals →Thinking about a project here?
How long would a planning application take here? →
Hounslow'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 Hounslow, 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.