Postcode record · Hounslow
W4 3LW.
W4 3LW has 47 known premises and 66 planning records — 40 approved of 46 decided (87%). 29 EPC records.
Postcode W4 3LW · boundary not held, centred on the postcodeApprovedRefusedOther68 exact1 approximate69 on the map — every match
At a glance · this postcodeHounslow profile →
47
Premises
known addresses (UPRNs)
66
Applications
46 decided
87%
Approval rate
40 approved · 6 refused
29
EPC records
ratings C 5 · D 15 · E 7 · F 2
69
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 3LW has 47 known premises and 66 planning records — 40 approved of 46 decided (87%). 29 EPC records.
Premises (18 of 47 shown)
Name
Details
UPRN 10001273900
UPRN 100021589070
UPRN 100021589072
UPRN 100021589074
UPRN 100021589075
UPRN 100021589076
UPRN 100021589077
UPRN 100021589078
UPRN 100021589079
UPRN 100021589080
UPRN 10001273900
UPRN 100021589070
UPRN 100021589072
Show all 10 rows
UPRN 100021589074
UPRN 100021589075
UPRN 100021589076
UPRN 100021589077
UPRN 100021589078
UPRN 100021589079
UPRN 100021589080
Planning
What happened?
66 planning applications across the postcode; 40 approved of 46 decided (87%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
1 X T2-Pittosporum -reduce crown by 25%(1m) to suitable growth points prune side growth branches to shape, balance and tidy and 1 X T3 large tall Southern-blue Gum(Eucalyptus globulis) reduce crown by 30%(4-5m) to suitable growth points/unions using rigging equipment to safely lower branch sections to ground in a controlled manner reduce lateral branch spread to match(3m) ensuring cut back from neighbouring gardens at rear and separation from building on inbound side in rear garden
66 St Marys Grove,Chiswick,London,W4 3LW · premises record
Applicant Flypack · Officer Geeta Anand
Works to Trees in Conservation Area
Withdrawn
2025-10-23
Certificate of Lawfulness for the proposed erection of a rear roof and outrigger extension.
59 St Marys Grove, Chiswick, London, W4 3LW · premises record
Applicant Ms Laura Geraghty · Officer Louise Oppe
Lawful Development Certificate (Proposed)
Approved
2024-12-19
Erection of a rear roof extension to the house.
59 St Marys Grove,Chiswick,London,Hounslow,W4 3LW · premises record
Applicant Ms Laura Geraghty · Officer Joedee McKenzie
Householder Applications
Refused
2024-10-11
Erection of a single storey side and rear infill extension and enlargement of the existing basement with a front lightwell to the house
48 ST MARYS GROVE, CHISWICK, W4 3LW · premises record
Applicant Mr and Mrs French · Officer Jacky Leung
Householder Applications
Approved
2024-05-01
Certificate of lawfulness for the proposed conversion of the garage into a habitable room, replacement of garage front gate to windows, erection of a rear outrigger roof extension with rooflights, replacement of rear roof window
48 ST MARYS GROVE, CHISWICK, W4 3LW · premises record
Applicant Mr French · Officer Jacky Leung
Lawful Use Certificate
Not required
2024-02-23
Erection of a single storey rear infill extension and a front and rear basement extension incorporating a new excavated lightwell to the front and rear garden
59 ST MARYS GROVE, CHISWICK, LONDON, W4 3LW · premises record
Applicant Ms Laura Geraghty · Officer Jacky Leung
Householder Applications
Approved
2023-06-23
Erection of part two storey, part single storey side and rear extension including basement extension. Extension of the roof of the rear outrigger, installation of plant and Photovoltaic Solar Panels to the roof.
48 ST MARYS GROVE, CHISWICK, W4 3LW · premises record
Applicant Mr & Mrs French · Officer Technical Support Officer
Householder Applications
Withdrawn
2023-05-11
Erection of part two storey, part single storey side extension and single storey rear extension with creation of a basement. Erection of a rear outrigger extension and installation of plant and Photovoltaic Solar Panels to the roof.
48 ST MARYS GROVE, CHISWICK, LONDON, W4 3LW · premises record
Applicant Mr & Mrs French · Officer Jacky Leung
Householder Applications
Refused
2023-05-11
Certificate of lawfulness for the installation of 11 PV panels on the rear sloping roof and the flat roof extension of the house
73 ST MARYS GROVE, CHISWICK, LONDON, W4 3LW · premises record
Applicant mr. Thomas Grimond · Officer Louise Oppe
Lawful Use Certificate
Not required
2022-11-15
Extension in size of the existing vehicle access to the house (dropped kerb)
81 ST MARYS GROVE, CHISWICK, LONDON, W4 3LW · premises record
Applicant Mr and Mr Matthew Campbell · Officer zzzJack Meacher
Householder Applications
Withdrawn
2022-08-25
1 X T2-Pittosporum -reduce crown by 25%(1m) to suitable growth points prune side growth branches to shape, balance and tidy and 1 X T3 large tall Southern-blue Gum(Eucalyptus globulis) reduce crown by 30%(4-5m) to suitable growth points/unions using rigging equipment to safely lower branch sections to ground in a controlled manner reduce lateral branch spread to match(3m) ensuring cut back from neighbouring gardens at rear and separation from building on inbound side in rear garden
66 St Marys Grove,Chiswick,London,W4 3LW · premises record
Applicant Flypack · Officer Geeta Anand
Withdrawn
2025-10-23
More
Works to Trees in Conservation Area
Certificate of Lawfulness for the proposed erection of a rear roof and outrigger extension.
59 St Marys Grove, Chiswick, London, W4 3LW · premises record
Applicant Ms Laura Geraghty · Officer Louise Oppe
Approved
2024-12-19
More
Lawful Development Certificate (Proposed)
Erection of a rear roof extension to the house.
59 St Marys Grove,Chiswick,London,Hounslow,W4 3LW · premises record
Applicant Ms Laura Geraghty · Officer Joedee McKenzie
Refused
2024-10-11
More
Householder Applications
Show all 10 rows
Erection of a single storey side and rear infill extension and enlargement of the existing basement with a front lightwell to the house
48 ST MARYS GROVE, CHISWICK, W4 3LW · premises record
Applicant Mr and Mrs French · Officer Jacky Leung
Approved
2024-05-01
More
Householder Applications
Certificate of lawfulness for the proposed conversion of the garage into a habitable room, replacement of garage front gate to windows, erection of a rear outrigger roof extension with rooflights, replacement of rear roof window
48 ST MARYS GROVE, CHISWICK, W4 3LW · premises record
Applicant Mr French · Officer Jacky Leung
Not required
2024-02-23
More
Lawful Use Certificate
Erection of a single storey rear infill extension and a front and rear basement extension incorporating a new excavated lightwell to the front and rear garden
59 ST MARYS GROVE, CHISWICK, LONDON, W4 3LW · premises record
Applicant Ms Laura Geraghty · Officer Jacky Leung
Approved
2023-06-23
More
Householder Applications
Erection of part two storey, part single storey side and rear extension including basement extension. Extension of the roof of the rear outrigger, installation of plant and Photovoltaic Solar Panels to the roof.
48 ST MARYS GROVE, CHISWICK, W4 3LW · premises record
Applicant Mr & Mrs French · Officer Technical Support Officer
Withdrawn
2023-05-11
More
Householder Applications
Erection of part two storey, part single storey side extension and single storey rear extension with creation of a basement. Erection of a rear outrigger extension and installation of plant and Photovoltaic Solar Panels to the roof.
48 ST MARYS GROVE, CHISWICK, LONDON, W4 3LW · premises record
Applicant Mr & Mrs French · Officer Jacky Leung
Refused
2023-05-11
More
Householder Applications
Certificate of lawfulness for the installation of 11 PV panels on the rear sloping roof and the flat roof extension of the house
73 ST MARYS GROVE, CHISWICK, LONDON, W4 3LW · premises record
Applicant mr. Thomas Grimond · Officer Louise Oppe
Not required
2022-11-15
More
Lawful Use Certificate
Extension in size of the existing vehicle access to the house (dropped kerb)
81 ST MARYS GROVE, CHISWICK, LONDON, W4 3LW · premises record
Applicant Mr and Mr Matthew Campbell · Officer zzzJack Meacher
Withdrawn
2022-08-25
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 47 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 47 of 47 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 47 of 47 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 3 applications
Applicant on 3 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
Case officer on 4 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
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 precedent66 applications and 69 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy29 EPC records; ratings C: 5, D: 15, E: 7, 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.
4 intent signals recorded in this postcode
Beatable refusal · EPC F/G · Long hold
Subscribe to see the signals →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.