Postcode record · Harrow
HA3 5JU.
HA3 5JU has 35 known premises and 19 planning records — 15 approved of 16 decided (93.8%). 21 EPC records.
Postcode HA3 5JU · boundary not held, centred on the postcodeApprovedRefusedOther19 exact19 on the map — every match
At a glance · this postcodeHarrow profile →
35
Premises
known addresses (UPRNs)
19
Applications
16 decided
93.8%
Approval rate
15 approved · 1 refused
21
EPC records
ratings C 6 · D 12 · E 3
19
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 5JU has 35 known premises and 19 planning records — 15 approved of 16 decided (93.8%). 21 EPC records.
Premises (18 of 35 shown)
Name
Details
UPRN 10070264914
UPRN 10070264915
UPRN 100021260937
UPRN 100021260938
UPRN 100021260939
UPRN 100021260940
UPRN 100021260941
UPRN 100021260942
UPRN 100021260943
UPRN 100021260944
UPRN 10070264914
UPRN 10070264915
UPRN 100021260937
Show all 10 rows
UPRN 100021260938
UPRN 100021260939
UPRN 100021260940
UPRN 100021260941
UPRN 100021260942
UPRN 100021260943
UPRN 100021260944
Planning
What happened?
19 planning applications across the postcode; 15 approved of 16 decided (93.8%). Latest 19 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
20 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Prior Notification - Larger Home Extension
Refused
2026-04-23
Proposed vehicle access; hardsurgacing to front garden
4 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Full Planning Application
Approved
2023-03-03
Single storey rear extension: 4.50 metres deep, 3.50 metres maximum height and 2.77 metres high to the eaves
10 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Prior Notification - Larger Home Extension
Not required
2022-05-04
INVALID - Conversion of the Garage into Habitable Space and erection of a 3 metre rear extension in order to provide existing flat with an additional bedroom and better living standard.
2 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Full Planning Application
Withdrawn
2019-12-16
Single and two storey rear extension; first floor side extension
24 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Householder
Approved
2019-01-03
Vehicle Access
3 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Applicant Mr Royit Patel · Officer WILLHO Will Hossack
Householder
Approved
2018-11-26
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer with juliette balcony; installation of two rooflights in front roofslope and new window in side
19 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Certificate of Lawful Development Existing
Approved
2017-04-05
Certificate of lawful development (proposed): Single storey rear extension
7 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Certificate of Lawful Development Existing
Approved
2016-11-28
Single Storey Rear Extension: extending 4 metres beyond the original rear wall, 3.090 metres maximum height, 2.910 metres high to the eaves
7 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Prior Notification - Larger Home Extension
Approved
2016-08-22
Two storey side extension
1 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Householder
Approved
2016-08-15
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
20 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Refused
2026-04-23
More
Prior Notification - Larger Home Extension
Proposed vehicle access; hardsurgacing to front garden
4 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Approved
2023-03-03
More
Full Planning Application
Single storey rear extension: 4.50 metres deep, 3.50 metres maximum height and 2.77 metres high to the eaves
10 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Not required
2022-05-04
More
Prior Notification - Larger Home Extension
Show all 10 rows
INVALID - Conversion of the Garage into Habitable Space and erection of a 3 metre rear extension in order to provide existing flat with an additional bedroom and better living standard.
2 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Withdrawn
2019-12-16
More
Full Planning Application
Single and two storey rear extension; first floor side extension
24 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Approved
2019-01-03
More
Householder
Vehicle Access
3 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Applicant Mr Royit Patel · Officer WILLHO Will Hossack
Approved
2018-11-26
More
Householder
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer with juliette balcony; installation of two rooflights in front roofslope and new window in side
19 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Approved
2017-04-05
More
Certificate of Lawful Development Existing
Certificate of lawful development (proposed): Single storey rear extension
7 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Approved
2016-11-28
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 4 metres beyond the original rear wall, 3.090 metres maximum height, 2.910 metres high to the eaves
7 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Approved
2016-08-22
More
Prior Notification - Larger Home Extension
Two storey side extension
1 Derby Avenue, Harrow Weald, Harrow, HA3 5JU · premises record
Approved
2016-08-15
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 19 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 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 2 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 precedent19 applications and 19 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy21 EPC records; ratings C: 6, D: 12, 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.
5 intent signals recorded in this postcode
Charge registered · Portfolio seller · Long hold
Subscribe to see the signals →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.