Postcode record · Harrow
HA3 6JP.
HA3 6JP has 18 known premises and 14 planning records — 8 approved of 10 decided (80%). 10 EPC records.
Postcode HA3 6JP · boundary not held, centred on the postcodeApprovedRefusedOther14 exact14 on the map — every match
At a glance · this postcodeHarrow profile →
18
Premises
known addresses (UPRNs)
14
Applications
10 decided
80%
Approval rate
8 approved · 2 refused
10
EPC records
ratings D 9 · E 1
14
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 6JP has 18 known premises and 14 planning records — 8 approved of 10 decided (80%). 10 EPC records.
Premises
Name
Details
UPRN 100021254414
UPRN 100021254415
UPRN 100021254416
UPRN 100021254417
UPRN 100021254418
UPRN 100021254419
UPRN 100021254420
UPRN 100021254421
UPRN 100021254422
UPRN 100021254423
UPRN 100021254414
UPRN 100021254415
UPRN 100021254416
Show all 10 rows
UPRN 100021254417
UPRN 100021254418
UPRN 100021254419
UPRN 100021254420
UPRN 100021254421
UPRN 100021254422
UPRN 100021254423
Planning
What happened?
14 planning applications across the postcode; 8 approved of 10 decided (80%). Latest 14 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Detached single storey outbuilding at rear for use as playroom/Gym ( Retrospective )
29 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Householder
Pending Decision
2025-08-14
Front porch
57 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Householder
Approved
2025-06-09
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
55 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Applicant Mr D Gajjar · Officer Lee Connor
Prior Notification - Larger Home Extension
Not required
2023-02-27
Single storey rear extension: 6.00 metres deep, 2.90 metres maximum height and 2.80 metres high to the eaves
29 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Prior Notification - Larger Home Extension
Not required
2021-06-01
Single Storey Side Extension (Demolition Of Garage)
31 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Householder
Approved
2020-10-01
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable; rear dormer; juliette balcony; two rooflights in front roofslope.
31 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Certificate of Lawful Development Existing
Approved
2020-09-25
Single storey rear extension: 6.00 metres deep, 3.10 metres maximum height and 2.92 metres high to the eaves.
31 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Prior Notification - Larger Home Extension
Not required
2020-09-25
Single storey front extension incorporating front porch and two storey side extension
57 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Officer Nicola Rankin
Householder
Refused
2016-06-22
Single Storey Rear Extension: extending 3.47 metres beyond the original rear wall, 2.95 metres maximum height, 2.95 metres high to the eaves
57 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Prior Notification - Larger Home Extension
Approved
2016-06-13
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): SINGLE STOREY SIDE EXTENSION
25 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Officer LM1 Liam McFadden
Certificate of Lawful Development Existing
Approved
2015-08-05
Detached single storey outbuilding at rear for use as playroom/Gym ( Retrospective )
29 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Pending Decision
2025-08-14
More
Householder
Front porch
57 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Approved
2025-06-09
More
Householder
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
55 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Applicant Mr D Gajjar · Officer Lee Connor
Not required
2023-02-27
More
Prior Notification - Larger Home Extension
Show all 10 rows
Single storey rear extension: 6.00 metres deep, 2.90 metres maximum height and 2.80 metres high to the eaves
29 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Not required
2021-06-01
More
Prior Notification - Larger Home Extension
Single Storey Side Extension (Demolition Of Garage)
31 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Approved
2020-10-01
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable; rear dormer; juliette balcony; two rooflights in front roofslope.
31 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Approved
2020-09-25
More
Certificate of Lawful Development Existing
Single storey rear extension: 6.00 metres deep, 3.10 metres maximum height and 2.92 metres high to the eaves.
31 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Not required
2020-09-25
More
Prior Notification - Larger Home Extension
Single storey front extension incorporating front porch and two storey side extension
57 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Officer Nicola Rankin
Refused
2016-06-22
More
Householder
Single Storey Rear Extension: extending 3.47 metres beyond the original rear wall, 2.95 metres maximum height, 2.95 metres high to the eaves
57 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Approved
2016-06-13
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): SINGLE STOREY SIDE EXTENSION
25 Boxtree Lane, Harrow Weald, Harrow, HA3 6JP · premises record
Officer LM1 Liam McFadden
Approved
2015-08-05
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 14 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
Applicant on 1 application
Agent on 3 applications
Agent on 1 application
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
Applicant on 1 application
Agent on 3 applications
Agent on 1 application
Development
What could it become?
Planning precedent14 applications and 14 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings D: 9, E: 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.