Postcode record · Harrow
HA3 5NZ.
HA3 5NZ has 24 known premises and 14 planning records — 7 approved of 12 decided (58.3%). 12 EPC records.
Postcode HA3 5NZ · boundary not held, centred on the postcodeApprovedRefusedOther14 exact14 on the map — every match
At a glance · this postcodeHarrow profile →
24
Premises
known addresses (UPRNs)
14
Applications
12 decided
58.3%
Approval rate
7 approved · 5 refused
12
EPC records
ratings C 3 · D 8 · E 1
14
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 5NZ has 24 known premises and 14 planning records — 7 approved of 12 decided (58.3%). 12 EPC records.
Premises (18 of 24 shown)
Name
Details
UPRN 100021251762
UPRN 100021251764
UPRN 100021251766
UPRN 100021251768
UPRN 100021251770
UPRN 100021251772
UPRN 100021251774
UPRN 100021251776
UPRN 100021251778
UPRN 100021251780
UPRN 100021251762
UPRN 100021251764
UPRN 100021251766
Show all 10 rows
UPRN 100021251768
UPRN 100021251770
UPRN 100021251772
UPRN 100021251774
UPRN 100021251776
UPRN 100021251778
UPRN 100021251780
Planning
What happened?
14 planning applications across the postcode; 7 approved of 12 decided (58.3%). Latest 14 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 6.00 metres deep, 3.50 metres maximum height and 3.00 metres high to the eaves
40 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Prior Notification - Larger Home Extension
Not required
2024-07-18
CERTIFICATE OF LAWFUL DEVELOPMENT (EXISTING): Single storey rear extension; external alterations (demolition of conservatory)
46 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Certificate of Lawful Development Existing
Approved
2023-05-22
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.45 metres maximum height, 3 metres high to the eaves
44 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Prior Notification - Larger Home Extension
Not required
2017-07-17
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 2.8 metres maximum height, 2.8 metres high to the eaves
54 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Applicant Mr Hugh Steadman · Officer LC Lokendra Chemjong
Prior Notification - Larger Home Extension
Approved
2015-10-02
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
54 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Applicant Mr Hugh Steadman · Officer LC Lokendra Chemjong
Prior Notification - Larger Home Extension
Refused
2015-07-20
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 5 metres high to the eaves
54 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Applicant Mr Hugh Steadman · Officer LC Lokendra Chemjong
Prior Notification - Larger Home Extension
Refused
2015-05-21
Single Storey Rear Extension: 4.3 metres deep, 3.3 metres maximum height, 3.0 metres high to the eaves
66 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Prior Notification - Larger Home Extension
Approved
2015-02-26
Single Storey Rear Extension: extending 7.3 metres beyond the original rear wall, 3.3 metres maximum roof height, 3.0 metres high to the eaves
66 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Prior Notification - Larger Home Extension
Refused
2015-02-17
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): REAR DORMER AND INSERTION OF TWO ROOFLIGHTS IN FRONT ROOFSLOPE
50 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Certificate of Lawful Development Existing
Approved
2014-03-12
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): REAR DORMER; INSTALLATION OF ROOFLIGHTS IN FRONT ROOFSLOPE
50 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Certificate of Lawful Development Existing
Refused
2013-12-17
Single storey rear extension: 6.00 metres deep, 3.50 metres maximum height and 3.00 metres high to the eaves
40 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Not required
2024-07-18
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (EXISTING): Single storey rear extension; external alterations (demolition of conservatory)
46 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Approved
2023-05-22
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.45 metres maximum height, 3 metres high to the eaves
44 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Not required
2017-07-17
More
Prior Notification - Larger Home Extension
Show all 10 rows
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 2.8 metres maximum height, 2.8 metres high to the eaves
54 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Applicant Mr Hugh Steadman · Officer LC Lokendra Chemjong
Approved
2015-10-02
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
54 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Applicant Mr Hugh Steadman · Officer LC Lokendra Chemjong
Refused
2015-07-20
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 5 metres high to the eaves
54 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Applicant Mr Hugh Steadman · Officer LC Lokendra Chemjong
Refused
2015-05-21
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: 4.3 metres deep, 3.3 metres maximum height, 3.0 metres high to the eaves
66 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Approved
2015-02-26
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 7.3 metres beyond the original rear wall, 3.3 metres maximum roof height, 3.0 metres high to the eaves
66 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Refused
2015-02-17
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): REAR DORMER AND INSERTION OF TWO ROOFLIGHTS IN FRONT ROOFSLOPE
50 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Approved
2014-03-12
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): REAR DORMER; INSTALLATION OF ROOFLIGHTS IN FRONT ROOFSLOPE
50 Athelstone Road, Harrow Weald, Harrow, HA3 5NZ · premises record
Refused
2013-12-17
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).
Dalton Road0 mMarthorne Crescent0 mAthelstone Road0 mToorack Road27 mWhitefriars Drive30 mWhitefriars Avenue30 mUrban Footpath 6 From 8 Toorack Road To 13 Barchester Road33 mWickham Road34 m
People
Who is involved?
Named on the latest 14 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 applications
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
Agent on 3 applications
Agent on 2 applications
Applicant on 4 applications
Applicant on 3 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
Agent on 3 applications
Agent on 2 applications
Development
What could it become?
Planning precedent14 applications and 14 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 3, D: 8, 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.