Postcode record · Hounslow
W4 5SD.
W4 5SD has 51 known premises and 68 planning records — 46 approved of 56 decided (82.1%). 31 EPC records.
Postcode W4 5SD · boundary not held, centred on the postcodeApprovedRefusedOther68 exact2 approximate70 on the map — every match
At a glance · this postcodeHounslow profile →
51
Premises
known addresses (UPRNs)
68
Applications
56 decided
82.1%
Approval rate
46 approved · 10 refused
31
EPC records
ratings C 9 · D 12 · E 8 · F 2
70
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 5SD has 51 known premises and 68 planning records — 46 approved of 56 decided (82.1%). 31 EPC records.
Premises (18 of 51 shown)
Name
Details
UPRN 10096681372
UPRN 10096681373
UPRN 10096681374
UPRN 100021590802
UPRN 100021590803
UPRN 100021590804
UPRN 100021590805
UPRN 100021590811
UPRN 100021590818
UPRN 100021590824
UPRN 10096681372
UPRN 10096681373
UPRN 10096681374
Show all 10 rows
UPRN 100021590802
UPRN 100021590803
UPRN 100021590804
UPRN 100021590805
UPRN 100021590811
UPRN 100021590818
UPRN 100021590824
Planning
What happened?
68 planning applications across the postcode; 46 approved of 56 decided (82.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a rear roof extension to the house.
28 Thorney Hedge Road, Chiswick, London, W4 5SD · premises record
Applicant Mr and Mrs Terence M and Sarah E Thorn · Officer Lucia Orsi
Householder Applications
Approved
2026-01-13
Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows to the house.
28 Thorney Hedge Road, Chiswick, London, W4 5SD · premises record
Applicant Mr and Mrs Terence M and Sarah E Thorn · Officer Lucia Orsi
Lawful Development Certificate (Proposed)
Approved
2025-10-24
Removal of Condition 6 (Resident Parking Permits) to allow residents of the three previously approved flats to obtain and retain Resident Parking Permits from the Local Authority of Planning Permission P/2023/1203 approved 20/06/2023 for the 'Erection of a rear roof extension with one front roof window and a single storey rear extension following the demolition of the existing conservatory to create three self contained residential units'.
40 Thorney Hedge Road, Chiswick, London W4 5SD · premises record
Applicant Dr Vishaal Corpaul · Officer Daniel Hughes
Variation / Removal of a condition Minor dwellings
Refused
2025-07-14
Fell Bay tree (T1) to ground level in rear garden in conservation area
44 Thorney Hedge Road, Chiswick, London W4 5SD · premises record
Applicant Fan Jiang · Officer Louise Oppe
Works to Trees in Conservation Area
No objection
2025-06-24
Erection of a single storey rear extension at ground floor and basement level, installation of new obscured side window and window replacement to side and rear windows at ground and basement floor level.
4 Thorney Hedge Road, Chiswick, London, W4 5SD · premises record
Applicant Ingo and Amrita Hofmaier · Officer Louise Oppe
Householder Applications
Approved
2024-12-02
Enlargement of the existing basement and creation of front and rear lightwells
46 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD · premises record
Applicant LONDON BONDS 2 LTD · Officer Technical Support Officer
Householder Applications
Withdrawn
2023-11-24
Creation of front and rear lightwells and enlargement of the basement to provide habitable rooms to the house.
46 THORNEY HEDGE ROAD, CHISWICK, W4 5SD · premises record
Applicant LONDON BONDS 2 LTD · Officer Jacky Leung
Householder Applications
Refused
2023-05-09
Erection of a rear roof extension with one front roof window and a single storey rear extension following the demolition of the existing conservatory to create three self contained residential units
40 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD · premises record
Applicant Mr Karran Corpaul · Officer zzzJack Meacher
PF-Full Applications
Final Decision
2023-04-17
Erection of a single storey rear extension following the demolition of the existing conservatory to create two self-contained flats
40 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD · premises record
Applicant Karran Corpaul · Officer zzzJack Meacher
PF-Full Applications
Approved
2023-01-31
Works to a tree in a Conservation Area: Silver Birch (T3) - Fell and replace with Acer Palmatum Multi Stem container grown tree.
4 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD · premises record
Applicant Ingo & Amrita Hofmaier · Officer Daniel Hughes
Works to Trees in Conservation Area
Approved
2023-01-11
Erection of a rear roof extension to the house.
28 Thorney Hedge Road, Chiswick, London, W4 5SD · premises record
Applicant Mr and Mrs Terence M and Sarah E Thorn · Officer Lucia Orsi
Approved
2026-01-13
More
Householder Applications
Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows to the house.
28 Thorney Hedge Road, Chiswick, London, W4 5SD · premises record
Applicant Mr and Mrs Terence M and Sarah E Thorn · Officer Lucia Orsi
Approved
2025-10-24
More
Lawful Development Certificate (Proposed)
Removal of Condition 6 (Resident Parking Permits) to allow residents of the three previously approved flats to obtain and retain Resident Parking Permits from the Local Authority of Planning Permission P/2023/1203 approved 20/06/2023 for the 'Erection of a rear roof extension with one front roof window and a single storey rear extension following the demolition of the existing conservatory to create three self contained residential units'.
40 Thorney Hedge Road, Chiswick, London W4 5SD · premises record
Applicant Dr Vishaal Corpaul · Officer Daniel Hughes
Refused
2025-07-14
More
Variation / Removal of a condition Minor dwellings
Show all 10 rows
Fell Bay tree (T1) to ground level in rear garden in conservation area
44 Thorney Hedge Road, Chiswick, London W4 5SD · premises record
Applicant Fan Jiang · Officer Louise Oppe
No objection
2025-06-24
More
Works to Trees in Conservation Area
Erection of a single storey rear extension at ground floor and basement level, installation of new obscured side window and window replacement to side and rear windows at ground and basement floor level.
4 Thorney Hedge Road, Chiswick, London, W4 5SD · premises record
Applicant Ingo and Amrita Hofmaier · Officer Louise Oppe
Approved
2024-12-02
More
Householder Applications
Enlargement of the existing basement and creation of front and rear lightwells
46 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD · premises record
Applicant LONDON BONDS 2 LTD · Officer Technical Support Officer
Withdrawn
2023-11-24
More
Householder Applications
Creation of front and rear lightwells and enlargement of the basement to provide habitable rooms to the house.
46 THORNEY HEDGE ROAD, CHISWICK, W4 5SD · premises record
Applicant LONDON BONDS 2 LTD · Officer Jacky Leung
Refused
2023-05-09
More
Householder Applications
Erection of a rear roof extension with one front roof window and a single storey rear extension following the demolition of the existing conservatory to create three self contained residential units
40 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD · premises record
Applicant Mr Karran Corpaul · Officer zzzJack Meacher
Final Decision
2023-04-17
More
PF-Full Applications
Erection of a single storey rear extension following the demolition of the existing conservatory to create two self-contained flats
40 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD · premises record
Applicant Karran Corpaul · Officer zzzJack Meacher
Approved
2023-01-31
More
PF-Full Applications
Works to a tree in a Conservation Area: Silver Birch (T3) - Fell and replace with Acer Palmatum Multi Stem container grown tree.
4 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD · premises record
Applicant Ingo & Amrita Hofmaier · Officer Daniel Hughes
Approved
2023-01-11
More
Works to Trees in Conservation Area
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 51 of 51 premises. Some normally permitted changes may require planning permission.
Conservation Area
Thorney Hedge · reference HSLCA24 · covers 51 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 51 of 51 premises. Some normally permitted changes may require planning permission.
Conservation Area
Thorney Hedge · reference HSLCA24 · covers 51 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 precedent68 applications and 70 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy31 EPC records; ratings C: 9, D: 12, E: 8, 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.
10 intent signals recorded in this postcode
Appeal dismissed · Repeat sale · Beatable refusal · Price decline · EPC F/G · Long hold · Company dissolving
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.