Postcode record · Harrow
HA3 9AF.
HA3 9AF has 36 known premises and 43 planning records — 29 approved of 36 decided (80.6%). 19 EPC records.
Postcode HA3 9AF · boundary not held, centred on the postcodeApprovedRefusedOther43 exact43 on the map — every match
At a glance · this postcodeHarrow profile →
36
Premises
known addresses (UPRNs)
43
Applications
36 decided
80.6%
Approval rate
29 approved · 7 refused
19
EPC records
ratings C 5 · D 13 · E 1
43
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 9AF has 36 known premises and 43 planning records — 29 approved of 36 decided (80.6%). 19 EPC records.
Premises (18 of 36 shown)
Name
Details
UPRN 100021283604
UPRN 100021283605
UPRN 100021283606
UPRN 100021283608
UPRN 100021283610
UPRN 100021283612
UPRN 100021283614
UPRN 100021283616
UPRN 100021283618
UPRN 100021283620
UPRN 100021283604
UPRN 100021283605
UPRN 100021283606
Show all 10 rows
UPRN 100021283608
UPRN 100021283610
UPRN 100021283612
UPRN 100021283614
UPRN 100021283616
UPRN 100021283618
UPRN 100021283620
Planning
What happened?
43 planning applications across the postcode; 29 approved of 36 decided (80.6%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of garage to habitable room; external alterations
2B Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Householder
Approved
2026-03-25
Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; two rooflights in front roof slope (demolition of rear dormer)
60 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Certificate of Lawful Development Proposed
Approved
2026-01-21
Single storey rear extension; alterations and extension to raise roof height of existing rear extension; external alterations
16 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Householder
Approved
2023-10-16
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; rear dormer with Juliette balcony; two rooflights in front roofslope
62 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Certificate of Lawful Development Existing
Approved
2022-04-25
Single storey rear extension: 6.00 metres deep, 4.00 metres maximum height and 3.00 metres high to the eaves
62 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Prior Notification - Larger Home Extension
Not required
2022-04-25
Single storey rear extension (Following Established Prior Approval Ref: P/1340/21/PRIOR)
20 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Certificate of Lawful Development Existing
Approved
2021-05-20
Conversion of garage into habitable room; single storey side infill extension; single storey rear extension; external alterations
28A Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Full Planning Application
Approved
2021-05-13
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension (Following established prior approval ref: P/4625/20/PRIOR)
14 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Certificate of Lawful Development Existing
Approved
2021-05-04
Single Storey Rear Extension: 6.00 metres deep, 3.74 metres maximum height, 3.00 metres high to the eaves
20 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Prior Notification - Larger Home Extension
Not required
2021-03-29
Single storey side infill extension; single storey rear extension
28A Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Full Planning Application
Refused
2021-02-09
Conversion of garage to habitable room; external alterations
2B Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Approved
2026-03-25
More
Householder
Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; two rooflights in front roof slope (demolition of rear dormer)
60 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Approved
2026-01-21
More
Certificate of Lawful Development Proposed
Single storey rear extension; alterations and extension to raise roof height of existing rear extension; external alterations
16 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Approved
2023-10-16
More
Householder
Show all 10 rows
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; rear dormer with Juliette balcony; two rooflights in front roofslope
62 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Approved
2022-04-25
More
Certificate of Lawful Development Existing
Single storey rear extension: 6.00 metres deep, 4.00 metres maximum height and 3.00 metres high to the eaves
62 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Not required
2022-04-25
More
Prior Notification - Larger Home Extension
Single storey rear extension (Following Established Prior Approval Ref: P/1340/21/PRIOR)
20 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Approved
2021-05-20
More
Certificate of Lawful Development Existing
Conversion of garage into habitable room; single storey side infill extension; single storey rear extension; external alterations
28A Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Approved
2021-05-13
More
Full Planning Application
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension (Following established prior approval ref: P/4625/20/PRIOR)
14 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Approved
2021-05-04
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: 6.00 metres deep, 3.74 metres maximum height, 3.00 metres high to the eaves
20 Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Not required
2021-03-29
More
Prior Notification - Larger Home Extension
Single storey side infill extension; single storey rear extension
28A Rowland Avenue, Kenton, Harrow, HA3 9AF · premises record
Refused
2021-02-09
More
Full Planning Application
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 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 3 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent43 applications and 43 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 5, D: 13, 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
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.