Planning Atlas
AtlasHarrowHA1 4DZ
Postcode record · Harrow

HA1 4DZ.

HA1 4DZ has 34 known premises and 23 planning records — 12 approved of 16 decided (75%). 12 EPC records.

Postcode unitHarrowOS boundary
HarrowHA1 4DZ
Postcode HA1 4DZ · boundary not held, centred on the postcodeApprovedRefusedOther23 exact23 on the map — every match
At a glance · this postcodeHarrow profile →
34
Premises
known addresses (UPRNs)
23
Applications
16 decided
75%
Approval rate
12 approved · 4 refused
12
EPC records
ratings D 6 · E 6
23
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?

HA1 4DZ has 34 known premises and 23 planning records — 12 approved of 16 decided (75%). 12 EPC records.

Premises (18 of 34 shown)

Planning

What happened?

23 planning applications across the postcode; 12 approved of 16 decided (75%). Latest 23 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metres high to the eaves
40 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Applicant Mr Jaya Hirani · Agent Nitin Hirani · Officer Ian Opolot
Prior Notification - Larger Home Extension
Not required
2026-01-07
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves
40 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Applicant Mr Jaya Hirani · Officer Ian Opolot
Prior Notification - Larger Home Extension
Refused
2025-10-27
Single storey rear extension: 5.25 metres deep, 3.91 metres maximum height and 3.00 metres high to the eave
16 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Prior Notification - Larger Home Extension
Not required
2023-11-15
Single storey rear extension: 6.00 metres deep, 3.91 metres maximum height and 3.00 metres high to the eaves
16 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Prior Notification - Larger Home Extension
Refused
2022-01-06
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable and rear dormer with juliette balcony and insertion of three rooflights on front roofslope.
14 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Certificate of Lawful Development Existing
Approved
2020-04-22
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope
6 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Certificate of Lawful Development Existing
Approved
2019-07-17
Single Storey Rear Extension: 6 metres deep, 3.3 metres maximum height, 3 metres high to the eaves
42 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Applicant Mrs Nita Sullivan · Agent R.P. Arch Services · Officer AE Aadil Essa
Prior Notification - Larger Home Extension
Not required
2018-08-28
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 2.75 metres maximum height, 2.55 metres high to the eaves
42 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Applicant Mr Sullivan · Agent Mr John Morgan · Officer AE Aadil Essa
Prior Notification - Larger Home Extension
Withdrawn
2018-08-06
Alterations to raise roof height on single storey rear extension; installation of lantern rooflight; external alterations
24 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Householder
Approved
2018-03-12
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): ALTERATIONS TO ROOF TO FORM END GABLE AND REAR DORMER; INSTALLATION OF THREE ROOFLIGHTS IN FRONT ROOFSLOPE AND NEW WINDOW IN SIDE
44 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Certificate of Lawful Development Existing
Approved
2015-06-24
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metres high to the eaves
40 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Applicant Mr Jaya Hirani · Agent Nitin Hirani · Officer Ian Opolot
Not required
2026-01-07
More
Prior Notification - Larger Home Extension
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves
40 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Applicant Mr Jaya Hirani · Officer Ian Opolot
Refused
2025-10-27
More
Prior Notification - Larger Home Extension
Single storey rear extension: 5.25 metres deep, 3.91 metres maximum height and 3.00 metres high to the eave
16 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Not required
2023-11-15
More
Prior Notification - Larger Home Extension
Show all 10 rows
Single storey rear extension: 6.00 metres deep, 3.91 metres maximum height and 3.00 metres high to the eaves
16 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Refused
2022-01-06
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable and rear dormer with juliette balcony and insertion of three rooflights on front roofslope.
14 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Approved
2020-04-22
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope
6 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Approved
2019-07-17
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: 6 metres deep, 3.3 metres maximum height, 3 metres high to the eaves
42 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Applicant Mrs Nita Sullivan · Agent R.P. Arch Services · Officer AE Aadil Essa
Not required
2018-08-28
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 2.75 metres maximum height, 2.55 metres high to the eaves
42 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Applicant Mr Sullivan · Agent Mr John Morgan · Officer AE Aadil Essa
Withdrawn
2018-08-06
More
Prior Notification - Larger Home Extension
Alterations to raise roof height on single storey rear extension; installation of lantern rooflight; external alterations
24 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Approved
2018-03-12
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): ALTERATIONS TO ROOF TO FORM END GABLE AND REAR DORMER; INSTALLATION OF THREE ROOFLIGHTS IN FRONT ROOFSLOPE AND NEW WINDOW IN SIDE
44 Wilson Gardens, West Harrow, Harrow, HA1 4DZ · premises record
Approved
2015-06-24
More
Certificate of Lawful Development Existing

Building control

Building-control records are not yet collected for Harrow — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).

Place

What affects it?

No mapped designation intersects a premises point in this postcode in the current build. Open any premises above for its own designation record.

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 23 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 precedent23 applications and 23 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings D: 6, E: 6.
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 Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

5 intent signals recorded in this postcode
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
HA1 4DZ, Harrow: Planning and Property History | Planning Atlas