Planning Atlas
AtlasPostcodeHA38JB
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Postcode record · Harrow

HA3 8JB.

HA3 8JB has 39 known premises and 48 planning records — 38 approved of 45 decided (84.4%). 19 EPC records.

Postcode unitHarrowOS boundary
HarrowHA3 8JB
Postcode HA3 8JB · boundary not held, centred on the postcodeApprovedRefusedOther48 on the map — every match
At a glance · this postcodeHarrow profile →
39
Premises
known addresses (UPRNs)
48
Applications
45 decided
84.4%
Approval rate
38 approved · 7 refused
56 days
Median decision time
average 71 days · 47 dated decisions
19
EPC records
ratings C 3 · D 14 · E 2
48
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 8JB has 39 known premises and 48 planning records — 38 approved of 45 decided (84.4%). 19 EPC records.

Premises (18 of 39 shown)

Planning

What happened?

48 planning applications across the postcode; 38 approved of 45 decided (84.4%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Single storey front extension incorporating porch; single and two storey side to rear extension; single storey rear extension; alterations and extension to roof; rear dormer; two rooflights in front roof slope; external alterations (demolition of attached garage)
41 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Householder
Pending Consideration
2026-03-23
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer; Installation of two roof lights in front roof slope
41 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Certificate of Lawful Development Proposed
Approved
2026-01-21
Single storey front extension incorporating porch; Convert garage to habitable room; Replace garage door with window in front elevation; First floor side to rear extension; Single storey rear extension; Alterations to roof to form end gable and rear dormer; Roof lights in front roof slope; External
9 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Householder
Approved
2026-01-03
Single storey rear extension: 4.50 metres deep, 3.11 metres maximum height and 3.00 metres high to the eaves
41 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Prior Notification - Larger Home Extension
Refused
2025-12-26
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer, Installation of three roof lights in front roof slope; Detached single storey outbuilding at rear for use as Gym
9 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Certificate of Lawful Development Proposed
Approved
2025-10-30
Single storey rear extension: 6.00 metres deep, 3.30 metres maximum height and 3.00 metres high to the eaves
9 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Prior Notification - Larger Home Extension
Not required
2025-10-30
Front porch alterations; single storey rear extension; alterations and raising roof height to single storey side to rear extension; external alterations (Part demolition of front porch)
23 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Marcus Boddy
Full Planning Application
Approved
2025-10-17
Conversion of garage into habitable room, Replace garage door with window, in front elevation, Single storey rear extension, External alterations
33 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Householder
Approved
2025-08-07
Certificate of Lawful Development Existing: Application site in use as two self-contained flats for over 10 years
23 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Certificate of Lawful Development Existing
Approved
2025-07-28
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer with Juliette balcony; installation of three rooflights in front roofslope
23 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Certificate of Lawful Development Proposed
Refused
2025-02-11
Single storey front extension incorporating porch; single and two storey side to rear extension; single storey rear extension; alterations and extension to roof; rear dormer; two rooflights in front roof slope; external alterations (demolition of attached garage)
41 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Pending Consideration
2026-03-23
More
Householder
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer; Installation of two roof lights in front roof slope
41 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Approved
2026-01-21
More
Certificate of Lawful Development Proposed
Single storey front extension incorporating porch; Convert garage to habitable room; Replace garage door with window in front elevation; First floor side to rear extension; Single storey rear extension; Alterations to roof to form end gable and rear dormer; Roof lights in front roof slope; External
9 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Approved
2026-01-03
More
Householder
Show all 10 rows
Single storey rear extension: 4.50 metres deep, 3.11 metres maximum height and 3.00 metres high to the eaves
41 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Refused
2025-12-26
More
Prior Notification - Larger Home Extension
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer, Installation of three roof lights in front roof slope; Detached single storey outbuilding at rear for use as Gym
9 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Approved
2025-10-30
More
Certificate of Lawful Development Proposed
Single storey rear extension: 6.00 metres deep, 3.30 metres maximum height and 3.00 metres high to the eaves
9 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Not required
2025-10-30
More
Prior Notification - Larger Home Extension
Front porch alterations; single storey rear extension; alterations and raising roof height to single storey side to rear extension; external alterations (Part demolition of front porch)
23 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Marcus Boddy
Approved
2025-10-17
More
Full Planning Application
Conversion of garage into habitable room, Replace garage door with window, in front elevation, Single storey rear extension, External alterations
33 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Officer Luke Boadle
Approved
2025-08-07
More
Householder
Certificate of Lawful Development Existing: Application site in use as two self-contained flats for over 10 years
23 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Approved
2025-07-28
More
Certificate of Lawful Development Existing
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer with Juliette balcony; installation of three rooflights in front roofslope
23 Alicia Gardens, Kenton, Harrow, HA3 8JB · premises record
Refused
2025-02-11
More
Certificate of Lawful Development Proposed

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 7 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 1 application
Case officer on 1 application
Case officer on 7 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 10 rows
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 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent48 applications and 48 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 3, D: 14, E: 2.
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.

6 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.
HA3 8JB, Harrow: planning and property history | Planning Atlas