Planning Atlas
AtlasPostcodeHA38TH
Dev
Session
Tier
Postcode record · Harrow

HA3 8TH.

HA3 8TH has 32 known premises and 45 planning records — 27 approved of 37 decided (73%). 18 EPC records.

Postcode unitHarrowOS boundary
HarrowHA3 8TH
Postcode HA3 8TH · boundary not held, centred on the postcodeApprovedRefusedOther45 on the map — every match
At a glance · this postcodeHarrow profile →
32
Premises
known addresses (UPRNs)
45
Applications
37 decided
73%
Approval rate
27 approved · 10 refused
57 days
Median decision time
average 67 days · 44 dated decisions
18
EPC records
ratings C 2 · D 10 · E 4 · F 1 · G 1
45
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 8TH has 32 known premises and 45 planning records — 27 approved of 37 decided (73%). 18 EPC records.

Premises (18 of 32 shown)

Planning

What happened?

45 planning applications across the postcode; 27 approved of 37 decided (73%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer with Juliet balcony; three rooflights in front roof slope; outbuilding at rear for use incidental to main dwelling
29 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Luke Boadle
Certificate of Lawful Development Proposed
Approved
2025-12-01
Single storey rear extension: 6.00 metres deep, 3.50 metres maximum height and 2.42 metres high to the eaves
29 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Luke Boadle
Prior Notification - Larger Home Extension
Not required
2025-11-27
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
23 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Certificate of Lawful Development Existing
Approved
2022-06-13
Alterations to form hipped roof; rear dormer; rooflights in front, side and rear roofslopes; single storey front extension incorporating front porch; single and two storey side to rear extension; single storey rear extension; external alterations (part demolition of rear dormer and end gable, demoli
1 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Householder
Approved
2021-06-30
Single storey front extension incorporating front porch; single and two storey side to rear extension; single storey rear extension; external alterations (demolition of attached garage and conservatory)
1 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Householder
Refused
2021-04-06
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable; rear dormer; two rooflights in front roofslope; window in side.
1 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Certificate of Lawful Development Existing
Approved
2021-01-19
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Outbuilding at rear for use as store (demolition of outbuilding)
9 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Certificate of Lawful Development Existing
Approved
2020-07-14
Certificate of Lawful Development (Proposed): Single storey rear extension (Following Established Prior Approval Ref.:P/2151/18/PRIOR)
39 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Certificate of Lawful Development Existing
Approved
2018-07-12
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.07 metres maximum height, 2.58 metres high to the eaves
23 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Prior Notification - Larger Home Extension
Not required
2018-06-08
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.855 metres high to the eaves
39 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Prior Notification - Larger Home Extension
Not required
2018-05-17
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer with Juliet balcony; three rooflights in front roof slope; outbuilding at rear for use incidental to main dwelling
29 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Luke Boadle
Approved
2025-12-01
More
Certificate of Lawful Development Proposed
Single storey rear extension: 6.00 metres deep, 3.50 metres maximum height and 2.42 metres high to the eaves
29 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Luke Boadle
Not required
2025-11-27
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
23 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Approved
2022-06-13
More
Certificate of Lawful Development Existing
Show all 10 rows
Alterations to form hipped roof; rear dormer; rooflights in front, side and rear roofslopes; single storey front extension incorporating front porch; single and two storey side to rear extension; single storey rear extension; external alterations (part demolition of rear dormer and end gable, demoli
1 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Approved
2021-06-30
More
Householder
Single storey front extension incorporating front porch; single and two storey side to rear extension; single storey rear extension; external alterations (demolition of attached garage and conservatory)
1 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Refused
2021-04-06
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable; rear dormer; two rooflights in front roofslope; window in side.
1 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Approved
2021-01-19
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Outbuilding at rear for use as store (demolition of outbuilding)
9 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Officer Safwan Ahmed
Approved
2020-07-14
More
Certificate of Lawful Development Existing
Certificate of Lawful Development (Proposed): Single storey rear extension (Following Established Prior Approval Ref.:P/2151/18/PRIOR)
39 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Approved
2018-07-12
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.07 metres maximum height, 2.58 metres high to the eaves
23 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Not required
2018-06-08
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.855 metres high to the eaves
39 Oakfield Avenue, Kenton, Harrow, HA3 8TH · premises record
Not required
2018-05-17
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 5 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 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 5 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 2 applications
Case officer on 2 applications
Case officer on 1 application
Development

What could it become?

Planning precedent45 applications and 45 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings C: 2, D: 10, E: 4, F: 1, G: 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 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.

4 intent signals recorded in this postcode
EPC F/G · Long hold
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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 8TH, Harrow: planning and property history | Planning Atlas