Postcode record · Harrow
HA3 5JT.
HA3 5JT has 29 known premises and 30 planning records — 18 approved of 26 decided (69.2%). 22 EPC records.
Postcode HA3 5JT · boundary not held, centred on the postcodeApprovedRefusedOther30 exact30 on the map — every match
At a glance · this postcodeHarrow profile →
29
Premises
known addresses (UPRNs)
30
Applications
26 decided
69.2%
Approval rate
18 approved · 8 refused
22
EPC records
ratings C 3 · D 15 · E 3 · F 1
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 5JT has 29 known premises and 30 planning records — 18 approved of 26 decided (69.2%). 22 EPC records.
Premises (18 of 29 shown)
Name
Details
UPRN 10091095942
UPRN 10091096048
UPRN 10091096049
UPRN 10094043350
UPRN 100021285111
UPRN 100021285113
UPRN 100021285115
UPRN 100021285117
UPRN 100021285119
UPRN 100021285121
UPRN 10091095942
UPRN 10091096048
UPRN 10091096049
Show all 10 rows
UPRN 10094043350
UPRN 100021285111
UPRN 100021285113
UPRN 100021285115
UPRN 100021285117
UPRN 100021285119
UPRN 100021285121
Planning
What happened?
30 planning applications across the postcode; 18 approved of 26 decided (69.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey front extension incorporating front porch, two storey side to rear extension and single storey rear extension
1 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Householder
Approved
2021-04-30
Single storey front extension incorporating front porch, Single and two storey side to rear and first floor rear extension
29 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Applicant Mrs Sameena Afzal · Officer JD Josephine Dutton
Householder
Approved
2021-03-17
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension (Following Established Prior Approval Ref: P/4469/20/PRIOR).
1 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Certificate of Lawful Development Existing
Approved
2021-01-25
Single Storey Rear Extension: 6.00 metres deep, 3.15 metres maximum height, 3.00 metres high to the eaves.
1 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Prior Notification - Larger Home Extension
Not required
2020-12-08
Single Storey Rear Extension: 6.00 metres deep, 3.41 metres maximum height, 2.96 metres high to the eaves
33 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Prior Notification - Larger Home Extension
Not required
2020-03-30
Certificate of Lawful Development (Proposed): Single storey rear extension (Following Establishment of Prior Approval Ref: P/4638/18/PRIOR)
11 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Certificate of Lawful Development Existing
Approved
2018-11-29
Single Storey Rear Extension extending 6 metres beyond the original rear wall, 3.3 metres maximum height, 3 metres high to the eaves
11 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Prior Notification - Larger Home Extension
Not required
2018-10-16
First floor side extension
45 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Householder
Approved
2018-06-14
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.8 metres high to the eaves
29 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Applicant Mr Shahzaaman Naseer Butt · Officer BSC Ben Schnell
Prior Notification - Larger Home Extension
Not required
2018-01-03
Single storey front extension; single storey side extension; front porch (demolition of garage)
29 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Applicant Mr Shahzaaman Butt · Officer LC Lokendra Chemjong
Householder
Approved
2017-12-15
Single storey front extension incorporating front porch, two storey side to rear extension and single storey rear extension
1 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Approved
2021-04-30
More
Householder
Single storey front extension incorporating front porch, Single and two storey side to rear and first floor rear extension
29 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Applicant Mrs Sameena Afzal · Officer JD Josephine Dutton
Approved
2021-03-17
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension (Following Established Prior Approval Ref: P/4469/20/PRIOR).
1 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Approved
2021-01-25
More
Certificate of Lawful Development Existing
Show all 10 rows
Single Storey Rear Extension: 6.00 metres deep, 3.15 metres maximum height, 3.00 metres high to the eaves.
1 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Not required
2020-12-08
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: 6.00 metres deep, 3.41 metres maximum height, 2.96 metres high to the eaves
33 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Not required
2020-03-30
More
Prior Notification - Larger Home Extension
Certificate of Lawful Development (Proposed): Single storey rear extension (Following Establishment of Prior Approval Ref: P/4638/18/PRIOR)
11 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Approved
2018-11-29
More
Certificate of Lawful Development Existing
Single Storey Rear Extension extending 6 metres beyond the original rear wall, 3.3 metres maximum height, 3 metres high to the eaves
11 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Not required
2018-10-16
More
Prior Notification - Larger Home Extension
First floor side extension
45 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Approved
2018-06-14
More
Householder
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.8 metres high to the eaves
29 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Applicant Mr Shahzaaman Naseer Butt · Officer BSC Ben Schnell
Not required
2018-01-03
More
Prior Notification - Larger Home Extension
Single storey front extension; single storey side extension; front porch (demolition of garage)
29 Sefton Avenue, Harrow Weald, Harrow, HA3 5JT · premises record
Applicant Mr Shahzaaman Butt · Officer LC Lokendra Chemjong
Approved
2017-12-15
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 30 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 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 2 applications
Applicant on 2 applications
Applicant on 2 applications
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.
Energy22 EPC records; ratings C: 3, D: 15, E: 3, F: 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.
6 intent signals recorded in this postcode
Listing pulled · Repeat sale · EPC F/G · 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.