Postcode record · Hounslow
W4 1SE.
W4 1SE has 66 known premises and 37 planning records — 21 approved of 27 decided (77.8%). 45 EPC records.
Postcode W4 1SE · boundary not held, centred on the postcodeApprovedRefusedOther37 exact6 approximate43 on the map — every match
At a glance · this postcodeHounslow profile →
66
Premises
known addresses (UPRNs)
37
Applications
27 decided
77.8%
Approval rate
21 approved · 6 refused
45
EPC records
ratings B 1 · C 12 · D 29 · E 3
43
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 1SE has 66 known premises and 37 planning records — 21 approved of 27 decided (77.8%). 45 EPC records.
Premises (18 of 66 shown)
Name
Details
UPRN 10091147568
UPRN 10091147842
UPRN 10091147843
UPRN 10091148854
UPRN 10091148930
UPRN 10091148931
UPRN 10091693645
UPRN 100021583939
UPRN 100021583944
UPRN 100021583945
UPRN 10091147568
UPRN 10091147842
UPRN 10091147843
Show all 10 rows
UPRN 10091148854
UPRN 10091148930
UPRN 10091148931
UPRN 10091693645
UPRN 100021583939
UPRN 100021583944
UPRN 100021583945
Planning
What happened?
37 planning applications across the postcode; 21 approved of 27 decided (77.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single storey rear extension with fully glazed projecting roof light following the removal of the existing extension to the ground floor flat. Minor repairs to the front ground floor windows, replacement of the side window with like for like double glazed window, replacement of side door like for like, installation of an additional air conditioning unit and air source heat pump and basement tanking
Flat 1, 23 Ennismore Avenue, Chiswick, London, W4 1SE · premises record
Applicant T Beaconsfield · Officer Louise Oppe
PF-Full Applications
Final Decision
2025-09-18
Installation of a matching replacement first floor front door (with fanlights), ground floor rear doors (with adjoining windows and fanlights) and ground, first and second floor front (with fanlights), side and rear windows to the three flats.
7A, 7B & 7C Ennismore Avenue, Chiswick, London, W4 1SE · premises record
Applicant Notting Hill Genesis · Officer Daniel Hughes
PF-Full Applications
Approved
2025-09-11
Erection of ground floor rear extension, increase in height of existing garden facing parapet, restoration of existing ground floor windows on front and side elevation, replacement of side door, relocation of shed including addition of air conditioning unit with air source heat pump and associated internal alterations to the property.
23 Ennismore Avenue, Chiswick, London, W4 1SE · premises record
Applicant T Beaconsfield · Officer Louise Oppe
PF-Full Applications
Refused
2025-06-02
Erection of a single storey rear and side extension following the demolition of the existing single storey rear extension.
31 Ennismore Avenue, Chiswick, London, W4 1SE · premises record
Applicant Ewan and Clemmie McCulloch and Reed · Officer Joedee McKenzie
Householder Applications
Approved
2025-03-25
Retrospective application for the erection of a single storey rear extension and associated alterations to the house.
25 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mr and Mr Jack and Clementine Prettejohn and Coram James · Officer Melek Ergen
Householder Applications
Approved
2024-02-23
Demolition of rear extension and construction of rear extension at Ground floor level and associated alterations.
25 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mr and Mr Jack and Clementine Prettejohn and Coram James · Officer Technical Support Officer
Householder Applications
Withdrawn
2023-10-10
Variation of condition 2 (approved plans) to allow the addition of a plant room to the basement of planning permission 00412/43/P3 approved 08/09/2023 for creation of a basement with front and rear lightwells.
43 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mr Megan Skipper · Officer Louise Oppe
Householder Applications
Approved
2023-09-19
Details of condition 6 (construction logistics plan) submitted pursuant planning permission 00412/43/P3 dated 08/09/2023 for new altercations to the ground floor with a new fully constructed basement following the same boundaries as the ground floor walls
43 ENNISMORE AVENUE, CHISWICK, LONDON, W4 1SE · premises record
Applicant Mrs Megan Skipper · Officer Louise Oppe
Details pursuant to a planning condition
Approved
2023-09-14
Creation of a basement with front and rear lightwells
43 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mrs Megan Skipper · Officer Louise Oppe
Householder Applications
Approved
2023-07-10
Certificate of Lawfulness for the erection of a rear roof dormer extension, installation of one third floor side window, two front roof lights and a side soil and vent pipe, formation of a door on the side elevation and replacement of one ground floor side window with two ground floor side windows to the house.
25 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mr and Mr Jack and Clementine Prettejohn · Officer Daniel Hughes
Lawful Use Certificate
Not required
2023-07-03
Erection of a single storey rear extension with fully glazed projecting roof light following the removal of the existing extension to the ground floor flat. Minor repairs to the front ground floor windows, replacement of the side window with like for like double glazed window, replacement of side door like for like, installation of an additional air conditioning unit and air source heat pump and basement tanking
Flat 1, 23 Ennismore Avenue, Chiswick, London, W4 1SE · premises record
Applicant T Beaconsfield · Officer Louise Oppe
Final Decision
2025-09-18
More
PF-Full Applications
Installation of a matching replacement first floor front door (with fanlights), ground floor rear doors (with adjoining windows and fanlights) and ground, first and second floor front (with fanlights), side and rear windows to the three flats.
7A, 7B & 7C Ennismore Avenue, Chiswick, London, W4 1SE · premises record
Applicant Notting Hill Genesis · Officer Daniel Hughes
Approved
2025-09-11
More
PF-Full Applications
Erection of ground floor rear extension, increase in height of existing garden facing parapet, restoration of existing ground floor windows on front and side elevation, replacement of side door, relocation of shed including addition of air conditioning unit with air source heat pump and associated internal alterations to the property.
23 Ennismore Avenue, Chiswick, London, W4 1SE · premises record
Applicant T Beaconsfield · Officer Louise Oppe
Refused
2025-06-02
More
PF-Full Applications
Show all 10 rows
Erection of a single storey rear and side extension following the demolition of the existing single storey rear extension.
31 Ennismore Avenue, Chiswick, London, W4 1SE · premises record
Applicant Ewan and Clemmie McCulloch and Reed · Officer Joedee McKenzie
Approved
2025-03-25
More
Householder Applications
Retrospective application for the erection of a single storey rear extension and associated alterations to the house.
25 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mr and Mr Jack and Clementine Prettejohn and Coram James · Officer Melek Ergen
Approved
2024-02-23
More
Householder Applications
Demolition of rear extension and construction of rear extension at Ground floor level and associated alterations.
25 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mr and Mr Jack and Clementine Prettejohn and Coram James · Officer Technical Support Officer
Withdrawn
2023-10-10
More
Householder Applications
Variation of condition 2 (approved plans) to allow the addition of a plant room to the basement of planning permission 00412/43/P3 approved 08/09/2023 for creation of a basement with front and rear lightwells.
43 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mr Megan Skipper · Officer Louise Oppe
Approved
2023-09-19
More
Householder Applications
Details of condition 6 (construction logistics plan) submitted pursuant planning permission 00412/43/P3 dated 08/09/2023 for new altercations to the ground floor with a new fully constructed basement following the same boundaries as the ground floor walls
43 ENNISMORE AVENUE, CHISWICK, LONDON, W4 1SE · premises record
Applicant Mrs Megan Skipper · Officer Louise Oppe
Approved
2023-09-14
More
Details pursuant to a planning condition
Creation of a basement with front and rear lightwells
43 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mrs Megan Skipper · Officer Louise Oppe
Approved
2023-07-10
More
Householder Applications
Certificate of Lawfulness for the erection of a rear roof dormer extension, installation of one third floor side window, two front roof lights and a side soil and vent pipe, formation of a door on the side elevation and replacement of one ground floor side window with two ground floor side windows to the house.
25 ENNISMORE AVENUE, CHISWICK, W4 1SE · premises record
Applicant Mr and Mr Jack and Clementine Prettejohn · Officer Daniel Hughes
Not required
2023-07-03
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 66 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 66 of 66 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 66 of 66 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 2 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 2 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 precedent37 applications and 43 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy45 EPC records; ratings B: 1, C: 12, D: 29, E: 3.
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.
12 intent signals recorded in this postcode
Struggling director · Ageing director · Price decline · Long hold · HMO licensed
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.