Planning Atlas
AtlasHarrowHA3 6AL
Postcode record · Harrow

HA3 6AL.

HA3 6AL has 17 known premises and 12 planning records — 8 approved of 9 decided (88.9%). 11 EPC records.

Postcode unitHarrowOS boundary
HarrowHA3 6AL
Postcode HA3 6AL · boundary not held, centred on the postcodeApprovedRefusedOther12 exact12 on the map — every match
At a glance · this postcodeHarrow profile →
17
Premises
known addresses (UPRNs)
12
Applications
9 decided
88.9%
Approval rate
8 approved · 1 refused
11
EPC records
ratings D 4 · E 6 · F 1
12
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 6AL has 17 known premises and 12 planning records — 8 approved of 9 decided (88.9%). 11 EPC records.

Premises

Planning

What happened?

12 planning applications across the postcode; 8 approved of 9 decided (88.9%). Latest 12 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 6.85 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
3 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Prior Notification - Larger Home Extension
Pending Consideration
2026-05-16
Single storey front extension with window to front and roof canopy; alterations and raising garage roof height; external alterations (Demolition of rear conservatory)
9 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mr and Mrs Apostol · Agent DP Architecture · Officer Agnes Wanja
Householder
Approved
2026-01-30
Details pursuant to Condition 6 (Flood Mitigation Measures) of planning permission P/1658/20 dated 19.6.2020 for Single storey front extension; conversion of garage to habitable room; single storey rear extension; external alterations
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Prior Approval (Miscellaneous Acts)
Approved
2020-07-03
Single storey front extension; conversion of garage to habitable room; single storey rear extension; external alterations
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mrs P Ali · Agent Mr Les Simpson · Officer JD Josephine Dutton
Householder
Approved
2020-05-18
Householder
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mrs P Ali · Agent Mr Les Simpson · Officer Historical Officer
Householder
Withdrawn
2020-03-16
Single storey front extension; conversion of garage to habitable room; single storey rear extension; external alterations
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mrs P Ali · Agent Mr Les Simpson · Officer JD Josephine Dutton
Householder
Refused
2020-03-16
Single storey front extension; single storey rear extension; external alterations
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mrs Pauline Ali · Agent Mr Les Simpson · Officer JD Josephine Dutton
Householder
Approved
2019-11-18
Single storey side extension
13 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Householder
Approved
2017-03-01
INVALID
8 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Certificate of Lawful Development Existing
Withdrawn
2006-05-02
SINGLE STOREY FRONT AND REAR EXTENSIONS, ALTERATIONS TO WINDOWS, HARDSURFACING OF FRONT GARDEN
14 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant BERGER · Agent BERGER · Officer MRE Mr Matthew Evans
Full Planning Application
Approved
2004-09-06
Single storey rear extension: 6.85 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
3 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Pending Consideration
2026-05-16
More
Prior Notification - Larger Home Extension
Single storey front extension with window to front and roof canopy; alterations and raising garage roof height; external alterations (Demolition of rear conservatory)
9 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mr and Mrs Apostol · Agent DP Architecture · Officer Agnes Wanja
Approved
2026-01-30
More
Householder
Details pursuant to Condition 6 (Flood Mitigation Measures) of planning permission P/1658/20 dated 19.6.2020 for Single storey front extension; conversion of garage to habitable room; single storey rear extension; external alterations
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Approved
2020-07-03
More
Prior Approval (Miscellaneous Acts)
Show all 10 rows
Single storey front extension; conversion of garage to habitable room; single storey rear extension; external alterations
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mrs P Ali · Agent Mr Les Simpson · Officer JD Josephine Dutton
Approved
2020-05-18
More
Householder
Householder
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mrs P Ali · Agent Mr Les Simpson · Officer Historical Officer
Withdrawn
2020-03-16
More
Householder
Single storey front extension; conversion of garage to habitable room; single storey rear extension; external alterations
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mrs P Ali · Agent Mr Les Simpson · Officer JD Josephine Dutton
Refused
2020-03-16
More
Householder
Single storey front extension; single storey rear extension; external alterations
2 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant Mrs Pauline Ali · Agent Mr Les Simpson · Officer JD Josephine Dutton
Approved
2019-11-18
More
Householder
Single storey side extension
13 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Approved
2017-03-01
More
Householder
INVALID
8 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Withdrawn
2006-05-02
More
Certificate of Lawful Development Existing
SINGLE STOREY FRONT AND REAR EXTENSIONS, ALTERATIONS TO WINDOWS, HARDSURFACING OF FRONT GARDEN
14 Winston Close, Stanmore, Harrow, HA3 6AL · premises record
Applicant BERGER · Agent BERGER · Officer MRE Mr Matthew Evans
Approved
2004-09-06
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 12 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 3 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 1 application
Applicant on 3 applications
Applicant on 1 application
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 precedent12 applications and 12 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings D: 4, E: 6, 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 Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

3 intent signals recorded in this postcode
Probate · EPC F/G · Long hold
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.
HA3 6AL, Harrow: Planning and Property History | Planning Atlas