Postcode record · Harrow
HA3 6AJ.
HA3 6AJ has 31 known premises and 29 planning records — 12 approved of 21 decided (57.1%). 20 EPC records.
Postcode HA3 6AJ · boundary not held, centred on the postcodeApprovedRefusedOther29 on the map — every match
At a glance · this postcodeHarrow profile →
31
Premises
known addresses (UPRNs)
29
Applications
21 decided
57.1%
Approval rate
12 approved · 9 refused
62 days
Median decision time
average 88 days · 24 dated decisions
20
EPC records
ratings C 1 · D 13 · E 5 · F 1
29
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 6AJ has 31 known premises and 29 planning records — 12 approved of 21 decided (57.1%). 20 EPC records.
Premises (18 of 31 shown)
Name
Details
UPRN 100021283176
UPRN 100021283177
UPRN 100021283178
UPRN 100021283180
UPRN 100021283182
UPRN 100021283184
UPRN 100021283186
UPRN 100021283187
UPRN 100021283188
UPRN 100021283189
UPRN 100021283176
UPRN 100021283177
UPRN 100021283178
Show all 10 rows
UPRN 100021283180
UPRN 100021283182
UPRN 100021283184
UPRN 100021283186
UPRN 100021283187
UPRN 100021283188
UPRN 100021283189
Planning
What happened?
29 planning applications across the postcode; 12 approved of 21 decided (57.1%). Latest 29 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of lawful development (proposed): Proposed additional HMO room (Sui Generis) to existing 6 room HMO (C4)
18 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Germaine Asabere
Certificate of Lawful Development Proposed
Refused
2026-02-09
TPO No. 127 Wilsmere Drive (No.1) Harrow Weald T1 (G2) Oak (rear of Wilsmere House, on boundary with 20 Richmond Gardens): Remove to near ground level and treat stump. Reason: Subject tree is, on the balance of probabilities, considered the most likely contributory factor in foundation movement and
20 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Rebecca Farrar
Works to Protected Trees
Pending Decision
2025-12-03
Change of use from HMO (C4) to HMO for 7 people (Sui Generis); bin and cycle storage
18 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Germaine Asabere
Full Planning Application
Refused
2025-09-25
Single storey rear extension: 7.50 metres deep, 2.75 metres maximum height and 2.45 metres high to the eaves
18 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Kanchan Sharma
Prior Notification - Larger Home Extension
Approved
2025-02-07
Single storey rear extension: 6.00 metres deep, 2.90 metres maximum height and 2.85 metres high to the eaves
14 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Lee Connor
Prior Notification - Larger Home Extension
Not required
2024-01-03
Certificate of lawful development (proposed): Conversion of garage into habitable room; single storey side extension; single storey rear extension; replacement of garage door with window
54 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Safwan Ahmed
Certificate of Lawful Development Existing
Approved
2022-05-26
Single storey side to rear extension; alterations and extension to raise garage roof height
58 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer JD Josephine Dutton
Householder
Approved
2019-07-01
Single storey front to side extension
62 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer LPC Lap Pan Chong
Householder
Withdrawn
2019-04-17
(WITHDRAWN - APPLICANT) Single storey front to side extension
62 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer LPC Lap Pan Chong
Householder
Withdrawn
2018-11-28
Certificate of Lawful Development Existing
Withdrawn
2018-10-30
Certificate of lawful development (proposed): Proposed additional HMO room (Sui Generis) to existing 6 room HMO (C4)
18 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Germaine Asabere
Refused
2026-02-09
More
Certificate of Lawful Development Proposed
TPO No. 127 Wilsmere Drive (No.1) Harrow Weald T1 (G2) Oak (rear of Wilsmere House, on boundary with 20 Richmond Gardens): Remove to near ground level and treat stump. Reason: Subject tree is, on the balance of probabilities, considered the most likely contributory factor in foundation movement and
20 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Rebecca Farrar
Pending Decision
2025-12-03
More
Works to Protected Trees
Change of use from HMO (C4) to HMO for 7 people (Sui Generis); bin and cycle storage
18 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Germaine Asabere
Refused
2025-09-25
More
Full Planning Application
Show all 10 rows
Single storey rear extension: 7.50 metres deep, 2.75 metres maximum height and 2.45 metres high to the eaves
18 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Kanchan Sharma
Approved
2025-02-07
More
Prior Notification - Larger Home Extension
Single storey rear extension: 6.00 metres deep, 2.90 metres maximum height and 2.85 metres high to the eaves
14 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Lee Connor
Not required
2024-01-03
More
Prior Notification - Larger Home Extension
Certificate of lawful development (proposed): Conversion of garage into habitable room; single storey side extension; single storey rear extension; replacement of garage door with window
54 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer Safwan Ahmed
Approved
2022-05-26
More
Certificate of Lawful Development Existing
Single storey side to rear extension; alterations and extension to raise garage roof height
58 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer JD Josephine Dutton
Approved
2019-07-01
More
Householder
Single storey front to side extension
62 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer LPC Lap Pan Chong
Withdrawn
2019-04-17
More
Householder
(WITHDRAWN - APPLICANT) Single storey front to side extension
62 Richmond Gardens, Harrow Weald, Harrow, HA3 6AJ · premises record
Officer LPC Lap Pan Chong
Withdrawn
2018-11-28
More
Householder
Withdrawn
2018-10-30
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 29 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent29 applications and 29 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 1, D: 13, E: 5, 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
EPC F/G · Long hold · HMO licensed
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.