Postcode record · Harrow
HA3 5JY.
HA3 5JY has 34 known premises and 30 planning records — 17 approved of 25 decided (68%). 23 EPC records.
Postcode HA3 5JY · boundary not held, centred on the postcodeApprovedRefusedOther30 exact30 on the map — every match
At a glance · this postcodeHarrow profile →
34
Premises
known addresses (UPRNs)
30
Applications
25 decided
68%
Approval rate
17 approved · 8 refused
23
EPC records
ratings B 1 · D 19 · E 3
30
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 5JY has 34 known premises and 30 planning records — 17 approved of 25 decided (68%). 23 EPC records.
Premises (18 of 34 shown)
Name
Details
UPRN 768006810
UPRN 10070270431
UPRN 100021275282
UPRN 100021275284
UPRN 100021275287
UPRN 100021275289
UPRN 100021275291
UPRN 100021275293
UPRN 100021275295
UPRN 100021275297
UPRN 768006810
UPRN 10070270431
UPRN 100021275282
Show all 10 rows
UPRN 100021275284
UPRN 100021275287
UPRN 100021275289
UPRN 100021275291
UPRN 100021275293
UPRN 100021275295
UPRN 100021275297
Planning
What happened?
30 planning applications across the postcode; 17 approved of 25 decided (68%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of lawful development (existing): Use of dwelling as a small House in Multiple Occupation (Class C4)
84 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Certificate of Lawful Development Existing
Approved
2026-03-26
Single storey rear extension: 6.00 metres deep, 3.30 metres maximum height and 3.00 metres high to the eaves
84 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Prior Notification - Larger Home Extension
Not required
2025-12-11
Single storey side extension
122 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Householder
Approved
2025-07-07
Single storey rear extension: 6.00 metres deep, 3.75 metres maximum height and 2.87 metres high to the eaves
122 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Prior Notification - Larger Home Extension
Not required
2025-06-26
Certificate of Lawful Proposed Development: Use as Class C3(b) - Children's Care Home
100A Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Applicant Ahmed · Officer Chris Wentworth
Certificate of Lawful Development Proposed
Refused
2025-04-29
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension
116 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Certificate of Lawful Development Existing
Approved
2023-02-13
Reduction in roof ridge height and size of rear dormer
104 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Householder
Approved
2021-10-11
Certificate of lawful development (proposed): Rear dormer; installation of two rooflights in front roofslope
98 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Certificate of Lawful Development Existing
Approved
2020-01-15
Alterations to roof to form end gable and rear dormer; installation of one rooflight in front roofslope, window in side gable (retrospective)
104 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Householder
Refused
2019-11-13
Conservatory At Rear; External Steps (Part Retrospective) and Removal of Handrail
96 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Householder
Approved
2019-05-23
Certificate of lawful development (existing): Use of dwelling as a small House in Multiple Occupation (Class C4)
84 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Approved
2026-03-26
More
Certificate of Lawful Development Existing
Single storey rear extension: 6.00 metres deep, 3.30 metres maximum height and 3.00 metres high to the eaves
84 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Not required
2025-12-11
More
Prior Notification - Larger Home Extension
Single storey side extension
122 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Approved
2025-07-07
More
Householder
Show all 10 rows
Single storey rear extension: 6.00 metres deep, 3.75 metres maximum height and 2.87 metres high to the eaves
122 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Not required
2025-06-26
More
Prior Notification - Larger Home Extension
Certificate of Lawful Proposed Development: Use as Class C3(b) - Children's Care Home
100A Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Applicant Ahmed · Officer Chris Wentworth
Refused
2025-04-29
More
Certificate of Lawful Development Proposed
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension
116 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Approved
2023-02-13
More
Certificate of Lawful Development Existing
Reduction in roof ridge height and size of rear dormer
104 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Approved
2021-10-11
More
Householder
Certificate of lawful development (proposed): Rear dormer; installation of two rooflights in front roofslope
98 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Approved
2020-01-15
More
Certificate of Lawful Development Existing
Alterations to roof to form end gable and rear dormer; installation of one rooflight in front roofslope, window in side gable (retrospective)
104 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Refused
2019-11-13
More
Householder
Conservatory At Rear; External Steps (Part Retrospective) and Removal of Handrail
96 Long Elmes, Harrow Weald, Harrow, HA3 5JY · premises record
Approved
2019-05-23
More
Householder
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 30 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
Applicant on 1 application
Applicant 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
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent30 applications and 30 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings B: 1, D: 19, E: 3.
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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.