Postcode record · Hounslow
W4 1RN.
W4 1RN has 26 known premises and 39 planning records — 17 approved of 24 decided (70.8%). 16 EPC records.
Postcode W4 1RN · boundary not held, centred on the postcodeApprovedRefusedOther39 exact1 approximate40 on the map — every match
At a glance · this postcodeHounslow profile →
26
Premises
known addresses (UPRNs)
39
Applications
24 decided
70.8%
Approval rate
17 approved · 7 refused
16
EPC records
ratings C 7 · D 8 · E 1
40
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 1RN has 26 known premises and 39 planning records — 17 approved of 24 decided (70.8%). 16 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 10091596888
UPRN 100021592067
UPRN 100021592068
UPRN 100021592069
UPRN 100021592070
UPRN 100021592071
UPRN 100021592073
UPRN 100021592074
UPRN 100021592075
UPRN 100021592076
UPRN 10091596888
UPRN 100021592067
UPRN 100021592068
Show all 10 rows
UPRN 100021592069
UPRN 100021592070
UPRN 100021592071
UPRN 100021592073
UPRN 100021592074
UPRN 100021592075
UPRN 100021592076
Planning
What happened?
39 planning applications across the postcode; 17 approved of 24 decided (70.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
T1 Sycamore Tree: Crown Reduction by 1.5m on all aspects to tidy and contain shape. Justification: Routine maintenance??
29 Windmill Road,Chiswick,London,Hounslow,W4 1RN · premises record
Applicant Peter Ashton · Officer Elisabete Moutinho
Works to Trees in Conservation Area
Withdrawn
2026-02-23
Erection of a ground floor front bay window and installation of replacement rear and side glazed bifolding doors and a replacement side window to the house.
51 Windmill Road,Chiswick,London,W4 1RN · premises record
Applicant Nathan Lewis · Officer Daniel Hughes
Householder Applications
Approved
2024-11-05
Erection of front roof windows to the house.
51 Windmill Road,Chiswick,London,Hounslow,W4 1RN · premises record
Applicant Nathan Lewis · Officer Temitope Ojagbule
Householder Applications
Withdrawn
2024-09-30
Certificate of Lawfulness for the erection of a second floor extension to the original two storey rear outrigger conjoined to the existing rear roof dormer extension.
17 WINDMILL ROAD, CHISWICK, W4 1RN · premises record
Applicant Sarah Wood · Officer Daniel Hughes
Lawful Use Certificate
Not required
2022-05-24
T1 1 Horse Chestnut Aesculus hippocastanum Rear garden Large mature Horse Chestnut that has been previously reduced in order to contain the tree's size within the small garden. This tree has a large cavity at the base exposing some decay. Suggested works: Reduce all aspects of the crown back to previous pruning points. (1.5m regrowth)
27 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mrs Meisels · Officer Technical Support Officer
Works to Trees in Conservation Area
No determination
2018-10-19
Certificate of Lawfulness for erection of an outbuilding in rear garden for use as an artist studio
9 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Ms Joanna Brendon · Officer zzzOllie Jones
Lawful Use Certificate
Not required
2018-01-17
Erection of a single storey rear extension and rear roof extensions with the addition of one front roof window to the the house
29 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mr Peter Ashton · Officer zzzJames Hansel
Householder Applications
Approved
2016-04-28
Erection of rear roof extensions finished with wooden cladding
19 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mr Peter Niklewicz · Officer zzzDavid.Macfadyen
Householder Applications
Withdrawn
2016-01-23
Certificate of lawfulness for erection of a roof extension to main and rear element of roof with 3 roof windows to front elevation.
19 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mr Peter Niklewicz · Officer zzzDavid.Macfadyen
Lawful Use Certificate
Not required
2015-12-07
Erection of single storey rear and infill extension to 19 and erection of a rear roof extension with roof windows, second floor rear element extension and single storey rear and infill extension to 21
19 & 21 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mr Peter Niklewicz · Officer zzzDavid.Macfadyen
Householder Applications
Approved
2015-08-20
T1 Sycamore Tree: Crown Reduction by 1.5m on all aspects to tidy and contain shape. Justification: Routine maintenance??
29 Windmill Road,Chiswick,London,Hounslow,W4 1RN · premises record
Applicant Peter Ashton · Officer Elisabete Moutinho
Withdrawn
2026-02-23
More
Works to Trees in Conservation Area
Erection of a ground floor front bay window and installation of replacement rear and side glazed bifolding doors and a replacement side window to the house.
51 Windmill Road,Chiswick,London,W4 1RN · premises record
Applicant Nathan Lewis · Officer Daniel Hughes
Approved
2024-11-05
More
Householder Applications
Erection of front roof windows to the house.
51 Windmill Road,Chiswick,London,Hounslow,W4 1RN · premises record
Applicant Nathan Lewis · Officer Temitope Ojagbule
Withdrawn
2024-09-30
More
Householder Applications
Show all 10 rows
Certificate of Lawfulness for the erection of a second floor extension to the original two storey rear outrigger conjoined to the existing rear roof dormer extension.
17 WINDMILL ROAD, CHISWICK, W4 1RN · premises record
Applicant Sarah Wood · Officer Daniel Hughes
Not required
2022-05-24
More
Lawful Use Certificate
T1 1 Horse Chestnut Aesculus hippocastanum Rear garden Large mature Horse Chestnut that has been previously reduced in order to contain the tree's size within the small garden. This tree has a large cavity at the base exposing some decay. Suggested works: Reduce all aspects of the crown back to previous pruning points. (1.5m regrowth)
27 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mrs Meisels · Officer Technical Support Officer
No determination
2018-10-19
More
Works to Trees in Conservation Area
Certificate of Lawfulness for erection of an outbuilding in rear garden for use as an artist studio
9 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Ms Joanna Brendon · Officer zzzOllie Jones
Not required
2018-01-17
More
Lawful Use Certificate
Erection of a single storey rear extension and rear roof extensions with the addition of one front roof window to the the house
29 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mr Peter Ashton · Officer zzzJames Hansel
Approved
2016-04-28
More
Householder Applications
Erection of rear roof extensions finished with wooden cladding
19 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mr Peter Niklewicz · Officer zzzDavid.Macfadyen
Withdrawn
2016-01-23
More
Householder Applications
Certificate of lawfulness for erection of a roof extension to main and rear element of roof with 3 roof windows to front elevation.
19 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mr Peter Niklewicz · Officer zzzDavid.Macfadyen
Not required
2015-12-07
More
Lawful Use Certificate
Erection of single storey rear and infill extension to 19 and erection of a rear roof extension with roof windows, second floor rear element extension and single storey rear and infill extension to 21
19 & 21 WINDMILL ROAD, CHISWICK, LONDON, W4 1RN · premises record
Applicant Mr Peter Niklewicz · Officer zzzDavid.Macfadyen
Approved
2015-08-20
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 26 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 26 of 26 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Change of use or development that would result in new dwellings (Class MA/ZA) · reference A4D.3 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area follows the projected line of the London to Silchester Roman road as it travels through the Borough of Hounslow. This is one of the major Roman roads radiating out west f · reference 220942 · covers 26 of 26 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Change of use or development that would result in new dwellings (Class MA/ZA) · reference A4D.3 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area follows the projected line of the London to Silchester Roman road as it travels through the Borough of Hounslow. This is one of the major Roman roads radiating out west f · reference 220942 · covers 26 of 26 premises. Groundworks may require archaeological assessment or investigation.
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 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 3 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 precedent39 applications and 40 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 7, D: 8, E: 1.
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.
3 intent signals recorded in this postcode
Charge registered · 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.