Planning Atlas
AtlasPostcodeHA37HT
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Postcode record · Harrow

HA3 7HT.

HA3 7HT has 35 known premises and 34 planning records — 18 approved of 27 decided (66.7%). 22 EPC records.

Postcode unitHarrowOS boundary
HarrowHA3 7HT
Postcode HA3 7HT · boundary not held, centred on the postcodeApprovedRefusedOther34 on the map — every match
At a glance · this postcodeHarrow profile →
35
Premises
known addresses (UPRNs)
34
Applications
27 decided
66.7%
Approval rate
18 approved · 9 refused
56 days
Median decision time
average 57 days · 34 dated decisions
22
EPC records
ratings C 4 · D 12 · E 6
34
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 7HT has 35 known premises and 34 planning records — 18 approved of 27 decided (66.7%). 22 EPC records.

Premises (18 of 35 shown)

Planning

What happened?

34 planning applications across the postcode; 18 approved of 27 decided (66.7%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Proposed): Front porch; alterations and extension to roof to form end gable; rear dormer with Juliette balcony; three rooflights in front roof slope
58 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Marcus Boddy
Certificate of Lawful Development Proposed
Approved
2026-03-24
Certificate of Lawful Development (Proposed): Front porch; alterations and extension to roof to form end gable; rear dormer with Juliet balcony; three rooflights in front roof slope; window in end gable; external alterations
58 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Mehdi Rezaie
Certificate of Lawful Development Proposed
Refused
2025-12-08
Single storey rear extension: 6.00 metres deep, 3.14 metres maximum height and 2.80 metres high to the eaves
58 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Marcus Boddy
Prior Notification - Larger Home Extension
Not required
2025-12-08
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope
2A Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Certificate of Lawful Development Proposed
Approved
2025-03-20
Single storey rear extension
2A Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Householder
Approved
2025-03-19
Single storey rear extension: 6.00 metres deep, 2.80 metres maximum height and 2.80 metres high to the eaves
36 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Lee Connor
Prior Notification - Larger Home Extension
Refused
2022-12-05
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
36 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Lee Connor
Prior Notification - Larger Home Extension
Refused
2022-12-05
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Single storey rear extension (Following Established Prior Approval Ref: P/2628/21/PRIOR)
64 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Certificate of Lawful Development Existing
Approved
2021-08-11
Single Storey Rear Extension: 6.00 metres deep, 3.30 metres maximum height, 3.00 metres high to the eaves
64 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Prior Notification - Larger Home Extension
Not required
2021-06-24
Single Storey Rear Extension: 6 metres deep, 3.34 metres maximum height, 3.00 metres high to the eaves
24 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Prior Notification - Larger Home Extension
Not required
2020-01-27
Certificate of Lawful Development (Proposed): Front porch; alterations and extension to roof to form end gable; rear dormer with Juliette balcony; three rooflights in front roof slope
58 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Marcus Boddy
Approved
2026-03-24
More
Certificate of Lawful Development Proposed
Certificate of Lawful Development (Proposed): Front porch; alterations and extension to roof to form end gable; rear dormer with Juliet balcony; three rooflights in front roof slope; window in end gable; external alterations
58 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Mehdi Rezaie
Refused
2025-12-08
More
Certificate of Lawful Development Proposed
Single storey rear extension: 6.00 metres deep, 3.14 metres maximum height and 2.80 metres high to the eaves
58 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Marcus Boddy
Not required
2025-12-08
More
Prior Notification - Larger Home Extension
Show all 10 rows
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope
2A Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Approved
2025-03-20
More
Certificate of Lawful Development Proposed
Single storey rear extension
2A Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Approved
2025-03-19
More
Householder
Single storey rear extension: 6.00 metres deep, 2.80 metres maximum height and 2.80 metres high to the eaves
36 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Lee Connor
Refused
2022-12-05
More
Prior Notification - Larger Home Extension
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
36 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Officer Lee Connor
Refused
2022-12-05
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Single storey rear extension (Following Established Prior Approval Ref: P/2628/21/PRIOR)
64 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Approved
2021-08-11
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: 6.00 metres deep, 3.30 metres maximum height, 3.00 metres high to the eaves
64 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Not required
2021-06-24
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: 6 metres deep, 3.34 metres maximum height, 3.00 metres high to the eaves
24 Adderley Road, Harrow Weald, Harrow, HA3 7HT · premises record
Not required
2020-01-27
More
Prior Notification - Larger Home Extension

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 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent34 applications and 34 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy22 EPC records; ratings C: 4, D: 12, 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
Long hold · HMO licensed
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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 7HT, Harrow: planning and property history | Planning Atlas