Postcode record · Hounslow
W4 3RL.
W4 3RL has 51 known premises and 36 planning records — 26 approved of 32 decided (81.3%). 32 EPC records.
Postcode W4 3RL · boundary not held, centred on the postcodeApprovedRefusedOther36 exact36 on the map — every match
At a glance · this postcodeHounslow profile →
51
Premises
known addresses (UPRNs)
36
Applications
32 decided
81.3%
Approval rate
26 approved · 6 refused
32
EPC records
ratings C 21 · D 11
36
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 3RL has 51 known premises and 36 planning records — 26 approved of 32 decided (81.3%). 32 EPC records.
Premises (18 of 51 shown)
Name
Details
UPRN 10025293389
UPRN 10091693564
UPRN 10093261279
UPRN 100021587369
UPRN 100021587370
UPRN 100021587371
UPRN 100021587372
UPRN 100021587373
UPRN 100021587374
UPRN 100021587375
UPRN 10025293389
UPRN 10091693564
UPRN 10093261279
Show all 10 rows
UPRN 100021587369
UPRN 100021587370
UPRN 100021587371
UPRN 100021587372
UPRN 100021587373
UPRN 100021587374
UPRN 100021587375
Planning
What happened?
36 planning applications across the postcode; 26 approved of 32 decided (81.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
GS835238000 - Erection of a single storey rear extension, installation of one roof window to the front garage, replacement of garage door with a garage door with top window of the house
33 Oliver Close, Chiswick, London, W4 3RL · premises record
Applicant Ms Andrea Chau · Officer Lucia Orsi
Householder Applications
Registered
2026-05-07
Erection of a single storey rear extension, front porch extension and front roof lights on existing garage roof to the house.
14 Oliver Close,Chiswick,London,Hounslow,W4 3RL · premises record
Applicant Mr Raj Sahi · Officer Jacky Leung
Householder Applications
Approved
2024-07-31
Erection of a single storey rear extension and first floor side extension. Enlargement of existing front porch. Conversion of garage into habitable space and installation of one rear roof window on the main house and one on the front garage roof.
48 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Ms Christina Tsochla · Officer Louise Oppe
Householder Applications
Approved
2024-04-15
Erection of a single storey front extension, conversion of garage into a habitable room with two roof windows and a single storey rear extension to the house.
14 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mr Raj Sahi · Officer Jacky Leung
Householder Applications
Refused
2023-11-24
Erection of single storey rear extension and installation of two front rooflights to the garage.
7 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant C Stirling · Officer Daniel Hughes
Householder Applications
Approved
2021-07-13
Replacement of rear conservatory with erection of a single storey rear extension to the house
48 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mrs Christina Tsochlas · Officer zzzMatthew Lambert
Householder Applications
Approved
2019-04-15
Erection of a single storey rear extension
5 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mrs U Bullman · Officer Leo Hall
Householder Applications
Approved
2019-03-14
Erection of a single storey rear extension
35 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mrs Glenda Curtis · Officer zzzTom.Bradfield
Householder Applications
Approved
2018-10-16
Erection of a single storey side extension
38 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mr Peter Haughton · Officer zzzTom.Bradfield
Householder Applications
Approved
2018-09-05
Certificate of Lawfulness for the proposed erection of a single storey side extension to the house
38 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mr Peter Haughton · Officer zzzTom.Bradfield
Lawful Use Certificate
Withdrawn
2018-08-28
GS835238000 - Erection of a single storey rear extension, installation of one roof window to the front garage, replacement of garage door with a garage door with top window of the house
33 Oliver Close, Chiswick, London, W4 3RL · premises record
Applicant Ms Andrea Chau · Officer Lucia Orsi
Registered
2026-05-07
More
Householder Applications
Erection of a single storey rear extension, front porch extension and front roof lights on existing garage roof to the house.
14 Oliver Close,Chiswick,London,Hounslow,W4 3RL · premises record
Applicant Mr Raj Sahi · Officer Jacky Leung
Approved
2024-07-31
More
Householder Applications
Erection of a single storey rear extension and first floor side extension. Enlargement of existing front porch. Conversion of garage into habitable space and installation of one rear roof window on the main house and one on the front garage roof.
48 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Ms Christina Tsochla · Officer Louise Oppe
Approved
2024-04-15
More
Householder Applications
Show all 10 rows
Erection of a single storey front extension, conversion of garage into a habitable room with two roof windows and a single storey rear extension to the house.
14 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mr Raj Sahi · Officer Jacky Leung
Refused
2023-11-24
More
Householder Applications
Erection of single storey rear extension and installation of two front rooflights to the garage.
7 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant C Stirling · Officer Daniel Hughes
Approved
2021-07-13
More
Householder Applications
Replacement of rear conservatory with erection of a single storey rear extension to the house
48 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mrs Christina Tsochlas · Officer zzzMatthew Lambert
Approved
2019-04-15
More
Householder Applications
Erection of a single storey rear extension
5 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mrs U Bullman · Officer Leo Hall
Approved
2019-03-14
More
Householder Applications
Erection of a single storey rear extension
35 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mrs Glenda Curtis · Officer zzzTom.Bradfield
Approved
2018-10-16
More
Householder Applications
Erection of a single storey side extension
38 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mr Peter Haughton · Officer zzzTom.Bradfield
Approved
2018-09-05
More
Householder Applications
Certificate of Lawfulness for the proposed erection of a single storey side extension to the house
38 OLIVER CLOSE, CHISWICK, LONDON, W4 3RL · premises record
Applicant Mr Peter Haughton · Officer zzzTom.Bradfield
Withdrawn
2018-08-28
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 51 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 50 of 51 premises. Some normally permitted changes may require planning permission.
Conservation Area
Strand on the Green · reference HSLCA01 · covers 1 of 51 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 50 of 51 premises. Some normally permitted changes may require planning permission.
Conservation Area
Strand on the Green · reference HSLCA01 · covers 1 of 51 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
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 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 2 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 precedent36 applications and 36 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy32 EPC records; ratings C: 21, D: 11.
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.