Postcode record · Hounslow
W4 3LL.
W4 3LL has 27 known premises and 37 planning records — 17 approved of 21 decided (81%). 14 EPC records.
Postcode W4 3LL · boundary not held, centred on the postcodeApprovedRefusedOther38 exact38 on the map — every match
At a glance · this postcodeHounslow profile →
27
Premises
known addresses (UPRNs)
37
Applications
21 decided
81%
Approval rate
17 approved · 4 refused
14
EPC records
ratings D 10 · E 4
38
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 3LL has 27 known premises and 37 planning records — 17 approved of 21 decided (81%). 14 EPC records.
Premises (18 of 27 shown)
Name
Details
UPRN 100021589015
UPRN 100021589016
UPRN 100021589017
UPRN 100021589018
UPRN 100021589019
UPRN 100021589020
UPRN 100021589021
UPRN 100021589022
UPRN 100021589023
UPRN 100021589024
UPRN 100021589015
UPRN 100021589016
UPRN 100021589017
Show all 10 rows
UPRN 100021589018
UPRN 100021589019
UPRN 100021589020
UPRN 100021589021
UPRN 100021589022
UPRN 100021589023
UPRN 100021589024
Planning
What happened?
37 planning applications across the postcode; 17 approved of 21 decided (81%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details of Condition 8 (Construction Method Statement) submitted pursuant of planning permission 00988/16/P1 approved 13/09/2022 for the erection of a single storey rear and basement extension
16 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Ms Anouska Naran · Officer Louise Oppe
Details pursuant to a planning condition
Approved
2024-01-31
Details submitted pursuant to Condition 7 (Construction Logistics Plan) for planning permission 00988/16/P1 dated 13/09/2022 for erection of a single storey rear and basement extension
16 ST MARYS GROVE, CHISWICK, W4 3LL · premises record
Applicant Ms Anouska Naran · Officer Louise Oppe
Details pursuant to a planning condition
Approved
2023-05-17
Certificate of lawfulness for proposed erection of a rear roof and rear outrigger extension. Installation of three front roof windows and a rear Juliet balcony, removal of one window and installation of an obscure window on the first floor side elevation. Installation of solar panels on rear main roof and outrigger roof
16 ST MARYS GROVE, CHISWICK, W4 3LL · premises record
Applicant Ms Anouska Naran · Officer Louise Oppe
Lawful Use Certificate
Not required
2022-06-29
Erection of a single storey rear and basement extension
16 ST MARYS GROVE, CHISWICK, W4 3LL · premises record
Applicant Ms Anouska Naran · Officer Louise Oppe
Householder Applications
Approved
2022-06-29
Details of Condition 4 (Construction Method Statement and Structural Survey, Construction Environment Management Plan, Construction Logistics Plan and Flood Risk Assessment) submitted pursuant of planning permission 00988/19/P1 dated 14/12/2020 for erection of a single storey rear and infill extension to the house.
19 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Jeremy & Sharon Collin · Officer Daniel Hughes
Details pursuant to a planning condition
Approved
2021-07-14
Erection of an enlargement to existing basement.
18A ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr/Mrs Bradley and Rose Smith · Officer zzzJack Meacher
PF-Full Applications
Approved
2021-06-14
Non material amendments for erection of a straight parapet at the rear of the ground floor extension of Planning Permission 00988/19/P1 dated 14/12/2020 for the erection of a single storey rear and infill extension to the house.
19 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr Jeremy Collin · Officer Daniel Hughes
Non-Material Minor Amendment to an existing Planning Application
Refused
2021-01-20
Erection of a single storey rear and infill extension to the house.
19 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr Jeremy Collin · Officer Daniel Hughes
Householder Applications
Approved
2020-09-25
Erection of basement extension.
18A ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr and Mr Bradley and Rose Smith · Officer zzzJack Meacher
PF-Full Applications
Withdrawn
2020-09-15
Erection of a single storey rear extension, alteration of the roof to the existing single storey rear extension and installation of additional front roof windows to the house.
4 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr & Mrs Ricky & Sally Tavares · Officer zzzSam Smith
Householder Applications
Approved
2017-03-06
Details of Condition 8 (Construction Method Statement) submitted pursuant of planning permission 00988/16/P1 approved 13/09/2022 for the erection of a single storey rear and basement extension
16 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Ms Anouska Naran · Officer Louise Oppe
Approved
2024-01-31
More
Details pursuant to a planning condition
Details submitted pursuant to Condition 7 (Construction Logistics Plan) for planning permission 00988/16/P1 dated 13/09/2022 for erection of a single storey rear and basement extension
16 ST MARYS GROVE, CHISWICK, W4 3LL · premises record
Applicant Ms Anouska Naran · Officer Louise Oppe
Approved
2023-05-17
More
Details pursuant to a planning condition
Certificate of lawfulness for proposed erection of a rear roof and rear outrigger extension. Installation of three front roof windows and a rear Juliet balcony, removal of one window and installation of an obscure window on the first floor side elevation. Installation of solar panels on rear main roof and outrigger roof
16 ST MARYS GROVE, CHISWICK, W4 3LL · premises record
Applicant Ms Anouska Naran · Officer Louise Oppe
Not required
2022-06-29
More
Lawful Use Certificate
Show all 10 rows
Erection of a single storey rear and basement extension
16 ST MARYS GROVE, CHISWICK, W4 3LL · premises record
Applicant Ms Anouska Naran · Officer Louise Oppe
Approved
2022-06-29
More
Householder Applications
Details of Condition 4 (Construction Method Statement and Structural Survey, Construction Environment Management Plan, Construction Logistics Plan and Flood Risk Assessment) submitted pursuant of planning permission 00988/19/P1 dated 14/12/2020 for erection of a single storey rear and infill extension to the house.
19 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Jeremy & Sharon Collin · Officer Daniel Hughes
Approved
2021-07-14
More
Details pursuant to a planning condition
Erection of an enlargement to existing basement.
18A ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr/Mrs Bradley and Rose Smith · Officer zzzJack Meacher
Approved
2021-06-14
More
PF-Full Applications
Non material amendments for erection of a straight parapet at the rear of the ground floor extension of Planning Permission 00988/19/P1 dated 14/12/2020 for the erection of a single storey rear and infill extension to the house.
19 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr Jeremy Collin · Officer Daniel Hughes
Refused
2021-01-20
More
Non-Material Minor Amendment to an existing Planning Application
Erection of a single storey rear and infill extension to the house.
19 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr Jeremy Collin · Officer Daniel Hughes
Approved
2020-09-25
More
Householder Applications
Erection of basement extension.
18A ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr and Mr Bradley and Rose Smith · Officer zzzJack Meacher
Withdrawn
2020-09-15
More
PF-Full Applications
Erection of a single storey rear extension, alteration of the roof to the existing single storey rear extension and installation of additional front roof windows to the house.
4 ST MARYS GROVE, CHISWICK, LONDON, W4 3LL · premises record
Applicant Mr & Mrs Ricky & Sally Tavares · Officer zzzSam Smith
Approved
2017-03-06
More
Householder 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 27 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 27 of 27 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 27 of 27 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 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 4 applications
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
Case officer on 4 applications
Development
What could it become?
Planning precedent37 applications and 38 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy14 EPC records; ratings D: 10, E: 4.
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.
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.