Postcode record · Hounslow
W4 4PA.
W4 4PA has 27 known premises and 56 planning records — 25 approved of 29 decided (86.2%). 16 EPC records.
Postcode W4 4PA · boundary not held, centred on the postcodeApprovedRefusedOther56 exact56 on the map — every match
At a glance · this postcodeHounslow profile →
27
Premises
known addresses (UPRNs)
56
Applications
29 decided
86.2%
Approval rate
25 approved · 4 refused
16
EPC records
ratings C 2 · D 7 · E 7
56
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 4PA has 27 known premises and 56 planning records — 25 approved of 29 decided (86.2%). 16 EPC records.
Premises (18 of 27 shown)
Name
Details
UPRN 100021578537
UPRN 100021578540
UPRN 100021578542
UPRN 100021578544
UPRN 100021578545
UPRN 100021578547
UPRN 100021578549
UPRN 100021578551
UPRN 100021578553
UPRN 100021578555
UPRN 100021578537
UPRN 100021578540
UPRN 100021578542
Show all 10 rows
UPRN 100021578544
UPRN 100021578545
UPRN 100021578547
UPRN 100021578549
UPRN 100021578551
UPRN 100021578553
UPRN 100021578555
Planning
What happened?
56 planning applications across the postcode; 25 approved of 29 decided (86.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Works to tree within a conservation area: Cherry (T1). Front garden. Reduce regrowth back to previous points of reduction leaving tree at a height of approx. 8 metres and spread of 6 metres.
45 Alwyn Avenue, Chiswick, London, W4 4PA · premises record
Applicant Mr Joe Margerrison · Officer Kevin Greening
Works to Trees in Conservation Area
Registered
2026-05-15
Works to a tree in a Conservation Area: Apple (T1) - Fell to ground level.
45 Alwyn Avenue, Chiswick, W4 4PA · premises record
Applicant Mr Joe Margerrison · Officer Daniel Hughes
Works to Trees in Conservation Area
No objection
2024-12-18
Certificate of lawfulness proposed for the erection of a single storey outbuilding as a gym following the demolition of existing outbuilding and shed
9 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Thomas Macallan · Officer Jessie Rotrand
Lawful Development Certificate (Proposed)
Approved
2024-03-13
Works to a tree within Conservation Area: Silver Birch (T1) - Reduce crown height by approximately three metres to previous reduction points and both crown side radiuses by up to 2.5 metres to match and re-shape.
29 ALWYN AVENUE, CHISWICK, LONDON, W4 4PA · premises record
Applicant Andy Reid · Officer Daniel Hughes
Works to Trees in Conservation Area
Approved
2023-08-01
Work to tree within conservation area Cherry tree - reduce back to previous points of reduction leaving a spread of approx. 5-6 meters
45 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Mr Joe Margerrison · Officer Technical Support Officer
Works to Trees in Conservation Area
Withdrawn
2023-05-18
Erection of a single storey rear and infill extension, rear outrigger roof extension with solar panels to the house
15 ALWYN AVENUE, CHISWICK, LONDON, W4 4PA · premises record
Applicant Mr and Mr A Teague · Officer zzzJack Meacher
Householder Applications
Approved
2023-04-24
Non material amendement to allow the installation of three double doors to the ground floor following planning permission 00034/35/P2 dated 03/10/2022
35 ALWYN AVENUE, CHISWICK, LONDON, W4 4PA · premises record
Applicant Mr Jeffrey Holt · Officer zzzJack Meacher
Non-Material Minor Amendment to an existing Planning Application
Approved
2022-11-21
Fell tree in a Conservation Area to ground level by sectional take down. Purple Leaf Plum (T1) (Prunus cerasifera 'Nigra') located in front garden (5 Day Tree Notice).
53 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Stephaniewicz Radziwillo · Officer Daniel Hughes
5 Day tree notification
Approved
2022-09-21
Replacement of existing side extension roof and roof terrace with sloped glazed roof, alterations to existing windows and doors on rear and side elevations including conversion of first floor rear window to door with Juliette railing
35 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Mr Jeffrey Holt · Officer zzzJack Meacher
Householder Applications
Approved
2022-07-12
Erection of basement with front lightwell, replacement of existing roof railings and replacements of existing windows and doors.
35 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Not disclosed · Officer Leo Hall
Householder Applications
Approved
2021-05-25
Works to tree within a conservation area: Cherry (T1). Front garden. Reduce regrowth back to previous points of reduction leaving tree at a height of approx. 8 metres and spread of 6 metres.
45 Alwyn Avenue, Chiswick, London, W4 4PA · premises record
Applicant Mr Joe Margerrison · Officer Kevin Greening
Registered
2026-05-15
More
Works to Trees in Conservation Area
Works to a tree in a Conservation Area: Apple (T1) - Fell to ground level.
45 Alwyn Avenue, Chiswick, W4 4PA · premises record
Applicant Mr Joe Margerrison · Officer Daniel Hughes
No objection
2024-12-18
More
Works to Trees in Conservation Area
Certificate of lawfulness proposed for the erection of a single storey outbuilding as a gym following the demolition of existing outbuilding and shed
9 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Thomas Macallan · Officer Jessie Rotrand
Approved
2024-03-13
More
Lawful Development Certificate (Proposed)
Show all 10 rows
Works to a tree within Conservation Area: Silver Birch (T1) - Reduce crown height by approximately three metres to previous reduction points and both crown side radiuses by up to 2.5 metres to match and re-shape.
29 ALWYN AVENUE, CHISWICK, LONDON, W4 4PA · premises record
Applicant Andy Reid · Officer Daniel Hughes
Approved
2023-08-01
More
Works to Trees in Conservation Area
Work to tree within conservation area Cherry tree - reduce back to previous points of reduction leaving a spread of approx. 5-6 meters
45 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Mr Joe Margerrison · Officer Technical Support Officer
Withdrawn
2023-05-18
More
Works to Trees in Conservation Area
Erection of a single storey rear and infill extension, rear outrigger roof extension with solar panels to the house
15 ALWYN AVENUE, CHISWICK, LONDON, W4 4PA · premises record
Applicant Mr and Mr A Teague · Officer zzzJack Meacher
Approved
2023-04-24
More
Householder Applications
Non material amendement to allow the installation of three double doors to the ground floor following planning permission 00034/35/P2 dated 03/10/2022
35 ALWYN AVENUE, CHISWICK, LONDON, W4 4PA · premises record
Applicant Mr Jeffrey Holt · Officer zzzJack Meacher
Approved
2022-11-21
More
Non-Material Minor Amendment to an existing Planning Application
Fell tree in a Conservation Area to ground level by sectional take down. Purple Leaf Plum (T1) (Prunus cerasifera 'Nigra') located in front garden (5 Day Tree Notice).
53 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Stephaniewicz Radziwillo · Officer Daniel Hughes
Approved
2022-09-21
More
5 Day tree notification
Replacement of existing side extension roof and roof terrace with sloped glazed roof, alterations to existing windows and doors on rear and side elevations including conversion of first floor rear window to door with Juliette railing
35 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Mr Jeffrey Holt · Officer zzzJack Meacher
Approved
2022-07-12
More
Householder Applications
Erection of basement with front lightwell, replacement of existing roof railings and replacements of existing windows and doors.
35 ALWYN AVENUE, CHISWICK, W4 4PA · premises record
Applicant Not disclosed · Officer Leo Hall
Approved
2021-05-25
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 27 premises each one covers.
Designation
Coverage
Conservation Area
Turnham Green · reference 1225 · covers 27 of 27 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Turnham Green · reference HSLCA08 · covers 27 of 27 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 27 of 27 premises. Some normally permitted changes may require planning permission.
Conservation Area
Turnham Green · reference 1225 · covers 27 of 27 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Turnham Green · reference HSLCA08 · covers 27 of 27 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 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 3 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 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
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 precedent56 applications and 56 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 2, D: 7, E: 7.
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?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.