Planning Atlas
AtlasHarrowHA3 6LS
Postcode record · Harrow

HA3 6LS.

HA3 6LS has 42 known premises and 10 planning records — 6 approved of 8 decided (75%). 29 EPC records.

Postcode unitHarrowOS boundary
HarrowHA3 6LS
Postcode HA3 6LS · boundary not held, centred on the postcodeApprovedRefusedOther10 exact19 approximate29 on the map — every match
At a glance · this postcodeHarrow profile →
42
Premises
known addresses (UPRNs)
10
Applications
8 decided
75%
Approval rate
6 approved · 2 refused
29
EPC records
ratings C 11 · D 8 · E 10
29
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?

HA3 6LS has 42 known premises and 10 planning records — 6 approved of 8 decided (75%). 29 EPC records.

Premises (18 of 42 shown)

Planning

What happened?

10 planning applications across the postcode; 6 approved of 8 decided (75%). Latest 10 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Proposed): Outbuilding at rear for use as office
74 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Applicant Mrs Anthea Cassanova · Officer John Lo
Certificate of Lawful Development Proposed
Approved
2025-10-24
Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves.
58 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Applicant Stacy-Ann Watson · Agent Yasin · Officer WILLHO Will Hossack
Prior Notification - Larger Home Extension
Not required
2021-01-19
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Rear dormer and insertion of two rooflights in front roofslope
58 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Certificate of Lawful Development Existing
Approved
2020-12-02
Single Storey Rear Extension: 5.00 metres deep, 3.00 metres maximum height, 2.70 metres high to the eaves
58 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Prior Notification - Larger Home Extension
Withdrawn
2020-12-02
Certificate of lawful development (proposed): Single storey rear extension; single storey outbuilding in rear garden; front porch
48 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Certificate of Lawful Development Existing
Approved
2016-10-03
Certificate of Lawful Development (Proposed): Single storey rear extension; front porch; external alterations to rear at first floor level; outbuilding at rear for use ancillary to main dwelling
48 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Certificate of Lawful Development Existing
Refused
2016-06-06
Single Storey Rear Extension: extending 5 metres beyond the original rear wall, 3 metres maximum height, 2.25 metres high to the eaves
16 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Prior Notification - Larger Home Extension
Approved
2016-03-17
TWO STOREY SIDE & REAR EXTENSIONS
68 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Full Planning Application
Approved
2010-05-04
TWO STOREY SIDE AND TWO-STOREY REAR EXTENSIONS
68 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Full Planning Application
Refused
2010-02-04
ADVERTISEMENT FLAGS AND SIGN BOARDS
8 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Advertisement Consent
Approved
1996-03-19
Certificate of Lawful Development (Proposed): Outbuilding at rear for use as office
74 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Applicant Mrs Anthea Cassanova · Officer John Lo
Approved
2025-10-24
More
Certificate of Lawful Development Proposed
Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves.
58 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Applicant Stacy-Ann Watson · Agent Yasin · Officer WILLHO Will Hossack
Not required
2021-01-19
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Rear dormer and insertion of two rooflights in front roofslope
58 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Approved
2020-12-02
More
Certificate of Lawful Development Existing
Show all 10 rows
Single Storey Rear Extension: 5.00 metres deep, 3.00 metres maximum height, 2.70 metres high to the eaves
58 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Withdrawn
2020-12-02
More
Prior Notification - Larger Home Extension
Certificate of lawful development (proposed): Single storey rear extension; single storey outbuilding in rear garden; front porch
48 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Approved
2016-10-03
More
Certificate of Lawful Development Existing
Certificate of Lawful Development (Proposed): Single storey rear extension; front porch; external alterations to rear at first floor level; outbuilding at rear for use ancillary to main dwelling
48 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Refused
2016-06-06
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 5 metres beyond the original rear wall, 3 metres maximum height, 2.25 metres high to the eaves
16 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Approved
2016-03-17
More
Prior Notification - Larger Home Extension
TWO STOREY SIDE & REAR EXTENSIONS
68 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Approved
2010-05-04
More
Full Planning Application
TWO STOREY SIDE AND TWO-STOREY REAR EXTENSIONS
68 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Refused
2010-02-04
More
Full Planning Application
ADVERTISEMENT FLAGS AND SIGN BOARDS
8 Whittlesea Road, Harrow Weald, Harrow, HA3 6LS · premises record
Approved
1996-03-19
More
Advertisement Consent

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.

People

Who is involved?

Named on the latest 10 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
Agent on 2 applications
Agent on 2 applications
Agent on 2 applications
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
Agent on 2 applications
Agent on 2 applications
Agent on 2 applications
Development

What could it become?

Planning precedent10 applications and 29 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy29 EPC records; ratings C: 11, D: 8, E: 10.
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.

1 intent signal 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.
HA3 6LS, Harrow: Planning and Property History | Planning Atlas