Postcode record · Harrow
HA1 4PN.
HA1 4PN has 25 known premises and 25 planning records — 12 approved of 23 decided (52.2%). 12 EPC records.
Postcode HA1 4PN · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeHarrow profile →
25
Premises
known addresses (UPRNs)
25
Applications
23 decided
52.2%
Approval rate
12 approved · 11 refused
12
EPC records
ratings C 2 · D 7 · E 2 · F 1
25
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 4PN has 25 known premises and 25 planning records — 12 approved of 23 decided (52.2%). 12 EPC records.
Premises (18 of 25 shown)
Name
Details
UPRN 10010597927
UPRN 10070263358
UPRN 10095545768
UPRN 10095545769
UPRN 100021294770
UPRN 100021294771
UPRN 100021294772
UPRN 100021294773
UPRN 100021294774
UPRN 100021294776
UPRN 10010597927
UPRN 10070263358
UPRN 10095545768
Show all 10 rows
UPRN 10095545769
UPRN 100021294770
UPRN 100021294771
UPRN 100021294772
UPRN 100021294773
UPRN 100021294774
UPRN 100021294776
Planning
What happened?
25 planning applications across the postcode; 12 approved of 23 decided (52.2%). Latest 25 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer with Juliette balcony, Installation of two roof lights in front roof slope and new window in end gable
19 Westmorland Road, Harrow, HA1 4PN · premises record
Certificate of Lawful Development Proposed
Approved
2025-09-23
Single storey front extension; two storey side extension, single and two storey rear extension, rear dormer, two rooflights in front roof slope; conversion of dwelling into three flats (1 x 1 bed & 2 x 2 beds); separate amenity space; boundary treatment; parking; hard and soft landscaping to front a
2 Westmorland Road, Harrow, HA1 4PN · premises record
Full Planning Application
Refused
2025-05-09
Conversion of detached garage in rear garden for use as annexe ancillary to dwelling; external alterations
16 Westmorland Road, Harrow, HA1 4PN · premises record
Householder
Approved
2022-12-14
Single storey rear extension No.1: 4.00 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves: Single storey rear extension No.2: 3.81 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves
19 Westmorland Road, Harrow, HA1 4PN · premises record
Prior Notification - Larger Home Extension
Not required
2022-09-01
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves
19 Westmorland Road, Harrow, HA1 4PN · premises record
Prior Notification - Larger Home Extension
Refused
2022-06-22
Single storey rear extension
19 Westmorland Road, Harrow, HA1 4PN · premises record
Householder
Refused
2022-04-06
Two storey side and single storey rear extension; Creation of end of terrace dwelling; separate amenity space; Bin and cycle stores
2 Westmorland Road, Harrow, HA1 4PN · premises record
Full Planning Application
Refused
2022-03-28
Single storey rear extension
11 Westmorland Road, Harrow, HA1 4PN · premises record
Householder
Approved
2021-06-28
Two storey front extension; two storey side extension; single storey rear extension; creation of end of terrace dwelling; separate amenity space' bin and cycle stores
2 Westmorland Road, Harrow, HA1 4PN · premises record
Full Planning Application
Refused
2021-06-16
Details pursuant to conditions 3 (landscaping/boundary treatment/paving) and 5 (refuse and cycle storage) attached to planning permission P/3041/20 dated 03/11/2020 for conversion of dwelling to two flats (2 x 2 beds); parking; separate amenity space; landscaping; boundary treatment; bin / cycle sto
15 Westmorland Road, Harrow · premises record
Prior Approval (Miscellaneous Acts)
Approved
2021-03-01
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer with Juliette balcony, Installation of two roof lights in front roof slope and new window in end gable
19 Westmorland Road, Harrow, HA1 4PN · premises record
Approved
2025-09-23
More
Certificate of Lawful Development Proposed
Single storey front extension; two storey side extension, single and two storey rear extension, rear dormer, two rooflights in front roof slope; conversion of dwelling into three flats (1 x 1 bed & 2 x 2 beds); separate amenity space; boundary treatment; parking; hard and soft landscaping to front a
2 Westmorland Road, Harrow, HA1 4PN · premises record
Refused
2025-05-09
More
Full Planning Application
Conversion of detached garage in rear garden for use as annexe ancillary to dwelling; external alterations
16 Westmorland Road, Harrow, HA1 4PN · premises record
Approved
2022-12-14
More
Householder
Show all 10 rows
Single storey rear extension No.1: 4.00 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves: Single storey rear extension No.2: 3.81 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves
19 Westmorland Road, Harrow, HA1 4PN · premises record
Not required
2022-09-01
More
Prior Notification - Larger Home Extension
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves
19 Westmorland Road, Harrow, HA1 4PN · premises record
Refused
2022-06-22
More
Prior Notification - Larger Home Extension
Single storey rear extension
19 Westmorland Road, Harrow, HA1 4PN · premises record
Refused
2022-04-06
More
Householder
Two storey side and single storey rear extension; Creation of end of terrace dwelling; separate amenity space; Bin and cycle stores
2 Westmorland Road, Harrow, HA1 4PN · premises record
Refused
2022-03-28
More
Full Planning Application
Single storey rear extension
11 Westmorland Road, Harrow, HA1 4PN · premises record
Approved
2021-06-28
More
Householder
Two storey front extension; two storey side extension; single storey rear extension; creation of end of terrace dwelling; separate amenity space' bin and cycle stores
2 Westmorland Road, Harrow, HA1 4PN · premises record
Refused
2021-06-16
More
Full Planning Application
Details pursuant to conditions 3 (landscaping/boundary treatment/paving) and 5 (refuse and cycle storage) attached to planning permission P/3041/20 dated 03/11/2020 for conversion of dwelling to two flats (2 x 2 beds); parking; separate amenity space; landscaping; boundary treatment; bin / cycle sto
15 Westmorland Road, Harrow · premises record
Approved
2021-03-01
More
Prior Approval (Miscellaneous Acts)
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 25 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 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 2 applications
Applicant on 4 applications
Applicant on 3 applications
Applicant on 3 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 4 applications
Agent on 2 applications
Development
What could it become?
Planning precedent25 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 2, D: 7, E: 2, 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
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.
5 intent signals recorded in this postcode
Ageing director · Appeal dismissed · Repeat sale · EPC F/G · Long hold
Subscribe to see the signals →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.