Planning Atlas
AtlasPostcodeHA35JP
Postcode record · Harrow

HA3 5JP.

HA3 5JP has 39 known premises and 15 planning records — 6 approved of 10 decided (60%). 25 EPC records.

Postcode unitHarrowOS boundary
HarrowHA3 5JP
Postcode HA3 5JP · boundary not held, centred on the postcodeApprovedRefusedOther15 exact15 on the map — every match
At a glance · this postcodeHarrow profile →
39
Premises
known addresses (UPRNs)
15
Applications
10 decided
60%
Approval rate
6 approved · 4 refused
25
EPC records
ratings C 11 · D 11 · E 3
15
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 5JP has 39 known premises and 15 planning records — 6 approved of 10 decided (60%). 25 EPC records.

Premises (18 of 39 shown)

Planning

What happened?

15 planning applications across the postcode; 6 approved of 10 decided (60%). Latest 15 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension with raised patio and steps; conversion of garage to habitable room with installation of window to front; external alterations
69 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Householder
Pending Consideration
2026-04-23
Use of ground floor of property as a nursery (Use Class E(f)) between the hours of 07:30-18:30 Monday to Friday and use of the entire property as C3 single family dwelling at all other times: Single storey outbuilding and installation of childrens play apparatus in rear garden (part retrospective)
Little Darling Childcare, 55 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Not disclosed · Agent Greg Dowden · Officer MSA Muhammad Saleem
Full Planning Application
Approved
2021-11-25
Single Storey Rear Extension: 6.00 metres deep, 3.60 metres maximum height, 3.00 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Prior Notification - Larger Home Extension
Not required
2021-02-16
Use of ground floor as D1 use (Mon-Fri between 7:30 and 18:30); single storey storage unit at rear; installation of climbing frame at rear (retrospective)
Little Darling Childcare, 55 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Full Planning Application
Refused
2019-02-11
INVALID - Single storey rear extension
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mr Darshna Morzaria · Agent Landmark Group · Officer Teresa Hopkins
Householder
Withdrawn
2018-04-30
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mrs Morzaria · Agent Landmark Group · Officer Kimry Schlacter
Prior Notification - Larger Home Extension
Not required
2017-09-20
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mrs Morzaria · Agent Landmark Group · Officer Kimry Schlacter
Prior Notification - Larger Home Extension
Refused
2017-07-19
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 4 metres maximum height, 2.5 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mrs Morzaria · Agent Landmark Group · Officer Kimry Schlacter
Prior Notification - Larger Home Extension
Withdrawn
2017-06-22
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 4 metres maximum height, 2.5 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mrs Morzaria · Agent Landmark Group · Officer PG Philip Gordon
Prior Notification - Larger Home Extension
Refused
2017-05-03
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Certificate of Lawful Development Existing
Approved
2017-02-02
Single storey rear extension with raised patio and steps; conversion of garage to habitable room with installation of window to front; external alterations
69 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Pending Consideration
2026-04-23
More
Householder
Use of ground floor of property as a nursery (Use Class E(f)) between the hours of 07:30-18:30 Monday to Friday and use of the entire property as C3 single family dwelling at all other times: Single storey outbuilding and installation of childrens play apparatus in rear garden (part retrospective)
Little Darling Childcare, 55 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Not disclosed · Agent Greg Dowden · Officer MSA Muhammad Saleem
Approved
2021-11-25
More
Full Planning Application
Single Storey Rear Extension: 6.00 metres deep, 3.60 metres maximum height, 3.00 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Not required
2021-02-16
More
Prior Notification - Larger Home Extension
Show all 10 rows
Use of ground floor as D1 use (Mon-Fri between 7:30 and 18:30); single storey storage unit at rear; installation of climbing frame at rear (retrospective)
Little Darling Childcare, 55 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Refused
2019-02-11
More
Full Planning Application
INVALID - Single storey rear extension
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mr Darshna Morzaria · Agent Landmark Group · Officer Teresa Hopkins
Withdrawn
2018-04-30
More
Householder
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mrs Morzaria · Agent Landmark Group · Officer Kimry Schlacter
Not required
2017-09-20
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
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mrs Morzaria · Agent Landmark Group · Officer Kimry Schlacter
Refused
2017-07-19
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 4 metres maximum height, 2.5 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mrs Morzaria · Agent Landmark Group · Officer Kimry Schlacter
Withdrawn
2017-06-22
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 4 metres maximum height, 2.5 metres high to the eaves
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Applicant Mrs Morzaria · Agent Landmark Group · Officer PG Philip Gordon
Refused
2017-05-03
More
Prior Notification - Larger Home Extension
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer
57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP · premises record
Approved
2017-02-02
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.

People

Who is involved?

Named on the latest 15 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 4 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 4 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 precedent15 applications and 15 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy25 EPC records; ratings C: 11, D: 11, E: 3.
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.

7 intent signals recorded in this postcode
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.