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AtlasHarrowHA1 4JH
Postcode record · Harrow

HA1 4JH.

HA1 4JH has 37 known premises and 30 planning records — 18 approved of 29 decided (62.1%). 20 EPC records.

Postcode unitHarrow →OS boundary ↓
Harrow›HA1 4JH
Postcode HA1 4JH · boundary not held, centred on the postcodeApprovedRefusedOther30 exact30 on the map — every match
At a glance · this postcodeHarrow profile →
37
Premises
known addresses (UPRNs)
30
Applications
29 decided
62.1%
Approval rate
18 approved · 11 refused
20
EPC records
ratings C 8 · D 10 · E 2
30
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?

HA1 4JH has 37 known premises and 30 planning records — 18 approved of 29 decided (62.1%). 20 EPC records.

Premises (18 of 37 shown)

Name
Details
UPRN 10002294925
UPRN 10034786947
UPRN 10094046914
UPRN 10094046915
UPRN 100021280083
UPRN 100021280085
UPRN 100021280087
UPRN 100021280089
UPRN 100021280091
UPRN 100021280093
UPRN 10002294925
UPRN 10034786947
UPRN 10094046914
Show all 10 rows
UPRN 10094046915
UPRN 100021280083
UPRN 100021280085
UPRN 100021280087
UPRN 100021280089
UPRN 100021280091
UPRN 100021280093
Planning

What happened?

30 planning applications across the postcode; 18 approved of 29 decided (62.1%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension
13 Oxford Road, Harrow, HA1 4JH · premises record
Applicant E Farrell · Agent ArchiTech · Officer BTH Ben Thompson
Certificate of Lawful Development Existing
Approved
2022-02-07
Single storey rear extension: 4.00 metres deep, 3.25 metres maximum height and 3.00 metres high to the eaves
13 Oxford Road, Harrow, HA1 4JH · premises record
Applicant E Farrell · Agent Architech · Officer ROH Roberta Henriques
Prior Notification - Larger Home Extension
Refused
2022-01-04
Single storey rear extension: 6.00 metres deep, 3.25 metres maximum height and 3.00 metres high to the eaves
13 Oxford Road, Harrow, HA1 4JH · premises record
Applicant E Farrell · Agent Architech · Officer ROH Roberta Henriques
Prior Notification - Larger Home Extension
Refused
2021-09-27
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Alterations to roof to create rear dormer, with juliet balcony; Insertion of two rooflights in front roofslope.
13 Oxford Road, Harrow, HA1 4JH · premises record
Applicant E Farrell · Agent ArchiTech · Officer BTH Ben Thompson
Certificate of Lawful Development Existing
Approved
2021-09-24
Single storey rear extension to provide additional bedroom for ground floor flat (demolition of rear extension)
23 Oxford Road, Harrow, HA1 4JH · premises record
Full Planning Application
Approved
2020-03-18
Single storey rear extension (demolition of conservatroy)
39 Oxford Road, Harrow, HA1 4JH · premises record
Applicant Ms Campbell · Agent Hazlemere Windows · Officer Catriona Cooke
Full Planning Application
Approved
2020-02-26
Rear dormer to create habitable roofspace for first floor flat
17A Oxford Road, Harrow, HA1 4JH · premises record
Householder
Approved
2018-02-19
Conversion of dwellinghouse into two flats; alterations to roof to form end gable, extended rear dormer; rooflights in front roofslope; single storey rear extension; bin / cycle storage; external alterations
57 Oxford Road, Harrow · premises record
Full Planning Application
Approved
2016-06-01
Conversion of dwellinghouse into two flats; bin store
57 Oxford Road, Harrow · premises record
Full Planning Application
Approved
2016-03-15
Certificate of lawful development (proposed): Rear dormer; installation of two rooflights in front roofslope
11 Oxford Road, Harrow, HA1 4JH · premises record
Certificate of Lawful Development Existing
Approved
2015-07-24
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension
13 Oxford Road, Harrow, HA1 4JH · premises record
Applicant E Farrell · Agent ArchiTech · Officer BTH Ben Thompson
Approved
2022-02-07
More
Certificate of Lawful Development Existing
Single storey rear extension: 4.00 metres deep, 3.25 metres maximum height and 3.00 metres high to the eaves
13 Oxford Road, Harrow, HA1 4JH · premises record
Applicant E Farrell · Agent Architech · Officer ROH Roberta Henriques
Refused
2022-01-04
More
Prior Notification - Larger Home Extension
Single storey rear extension: 6.00 metres deep, 3.25 metres maximum height and 3.00 metres high to the eaves
13 Oxford Road, Harrow, HA1 4JH · premises record
Applicant E Farrell · Agent Architech · Officer ROH Roberta Henriques
Refused
2021-09-27
More
Prior Notification - Larger Home Extension
Show all 10 rows
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Alterations to roof to create rear dormer, with juliet balcony; Insertion of two rooflights in front roofslope.
13 Oxford Road, Harrow, HA1 4JH · premises record
Applicant E Farrell · Agent ArchiTech · Officer BTH Ben Thompson
Approved
2021-09-24
More
Certificate of Lawful Development Existing
Single storey rear extension to provide additional bedroom for ground floor flat (demolition of rear extension)
23 Oxford Road, Harrow, HA1 4JH · premises record
Approved
2020-03-18
More
Full Planning Application
Single storey rear extension (demolition of conservatroy)
39 Oxford Road, Harrow, HA1 4JH · premises record
Applicant Ms Campbell · Agent Hazlemere Windows · Officer Catriona Cooke
Approved
2020-02-26
More
Full Planning Application
Rear dormer to create habitable roofspace for first floor flat
17A Oxford Road, Harrow, HA1 4JH · premises record
Approved
2018-02-19
More
Householder
Conversion of dwellinghouse into two flats; alterations to roof to form end gable, extended rear dormer; rooflights in front roofslope; single storey rear extension; bin / cycle storage; external alterations
57 Oxford Road, Harrow · premises record
Approved
2016-06-01
More
Full Planning Application
Conversion of dwellinghouse into two flats; bin store
57 Oxford Road, Harrow · premises record
Approved
2016-03-15
More
Full Planning Application
Certificate of lawful development (proposed): Rear dormer; installation of two rooflights in front roofslope
11 Oxford Road, Harrow, HA1 4JH · premises record
Approved
2015-07-24
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 30 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 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 3 applications
Applicant on 4 applications
Applicant on 3 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
Agent on 4 applications
Agent on 3 applications
Development

What could it become?

Planning precedent30 applications and 30 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 8, D: 10, E: 2.
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 Plan

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

10 intent signals recorded in this postcode
Portfolio seller · Lapsed consent · 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.
HA1 4JH, Harrow: Planning and Property History | Planning Atlas