Postcode record · Harrow
HA1 4PL.
HA1 4PL has 38 known premises and 57 planning records — 29 approved of 40 decided (72.5%). 19 EPC records.
Postcode HA1 4PL · boundary not held, centred on the postcodeApprovedRefusedOther57 on the map — every match
At a glance · this postcodeHarrow profile →
38
Premises
known addresses (UPRNs)
57
Applications
40 decided
72.5%
Approval rate
29 approved · 11 refused
53 days
Median decision time
average 54 days · 53 dated decisions
19
EPC records
ratings C 3 · D 9 · E 7
57
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 4PL has 38 known premises and 57 planning records — 29 approved of 40 decided (72.5%). 19 EPC records.
Premises (18 of 38 shown)
Name
Details
UPRN 10095548135
UPRN 10095548136
UPRN 100021294790
UPRN 100021294792
UPRN 100021294793
UPRN 100021294794
UPRN 100021294795
UPRN 100021294796
UPRN 100021294797
UPRN 100021294798
UPRN 10095548135
UPRN 10095548136
UPRN 100021294790
Show all 10 rows
UPRN 100021294792
UPRN 100021294793
UPRN 100021294794
UPRN 100021294795
UPRN 100021294796
UPRN 100021294797
UPRN 100021294798
Planning
What happened?
57 planning applications across the postcode; 29 approved of 40 decided (72.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension; external alterations
34 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Luke Boadle
Householder
Pending Consideration
2026-04-13
Conversion of dwelling into three flats (1 x 3 beds and 2 x 1 bed); single and two storey rear extension; alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope; landscaping; bin and cycle stores; external alterations
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Luke Boadle
Full Planning Application
Pending Consideration
2026-03-03
Single storey rear extension: 4.50 metres deep, 3.90 metres maximum height and 2.75 metres high to the eaves
34 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Luke Boadle
Prior Notification - Larger Home Extension
Refused
2026-02-27
Conversion of dwelling into three flats (1 X 3 bed, 2 X 1 bed); single and two storey rear extension; alterations and extension to roof to form end gable; rear dormer; two roof lights in front roof slope; window in end gable; external alterations
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Aadil Essa1
Full Planning Application
Withdrawn
2025-11-17
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
38 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Ryan Gallagher
Certificate of Lawful Development Existing
Approved
2023-08-15
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable; rear dormer; two rooflights in front roofslope; window in side of end gable; Single storey rear extension (following established prior approval ref:P/4165/22/PRIOR)
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Fergus Freeney
Certificate of Lawful Development Existing
Approved
2023-06-15
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Alterations to roof to form end gable; rear dormer; two rooflights in front roofslope; window in side of end gable
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer HAP Hayden Parker
Certificate of Lawful Development Existing
Approved
2023-02-02
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Ben Greene
Prior Notification - Larger Home Extension
Not required
2022-12-06
Conversion of dwellinghouse into two flats (2 x 2 Bed); External alterations; Seperate Amenity Space; Refuse and Cycle storage
45 Westmorland Road, Harrow · premises record
Officer Fergus Freeney
Full Planning Application
Approved
2022-08-17
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Outbuilding at rear for use as gym / storage
20 Westmorland Road, Harrow, HA1 4PL · premises record
Officer BTH Ben Thompson
Certificate of Lawful Development Existing
Refused
2022-05-30
Single storey rear extension; external alterations
34 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Luke Boadle
Pending Consideration
2026-04-13
More
Householder
Conversion of dwelling into three flats (1 x 3 beds and 2 x 1 bed); single and two storey rear extension; alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope; landscaping; bin and cycle stores; external alterations
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Luke Boadle
Pending Consideration
2026-03-03
More
Full Planning Application
Single storey rear extension: 4.50 metres deep, 3.90 metres maximum height and 2.75 metres high to the eaves
34 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Luke Boadle
Refused
2026-02-27
More
Prior Notification - Larger Home Extension
Show all 10 rows
Conversion of dwelling into three flats (1 X 3 bed, 2 X 1 bed); single and two storey rear extension; alterations and extension to roof to form end gable; rear dormer; two roof lights in front roof slope; window in end gable; external alterations
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Aadil Essa1
Withdrawn
2025-11-17
More
Full Planning Application
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
38 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Ryan Gallagher
Approved
2023-08-15
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable; rear dormer; two rooflights in front roofslope; window in side of end gable; Single storey rear extension (following established prior approval ref:P/4165/22/PRIOR)
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Fergus Freeney
Approved
2023-06-15
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Alterations to roof to form end gable; rear dormer; two rooflights in front roofslope; window in side of end gable
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer HAP Hayden Parker
Approved
2023-02-02
More
Certificate of Lawful Development Existing
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
51 Westmorland Road, Harrow, HA1 4PL · premises record
Officer Ben Greene
Not required
2022-12-06
More
Prior Notification - Larger Home Extension
Conversion of dwellinghouse into two flats (2 x 2 Bed); External alterations; Seperate Amenity Space; Refuse and Cycle storage
45 Westmorland Road, Harrow · premises record
Officer Fergus Freeney
Approved
2022-08-17
More
Full Planning Application
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Outbuilding at rear for use as gym / storage
20 Westmorland Road, Harrow, HA1 4PL · premises record
Officer BTH Ben Thompson
Refused
2022-05-30
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
Case officer on 7 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 7 applications
Case officer on 4 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent57 applications and 57 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 3, D: 9, E: 7.
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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
4 intent signals recorded in this postcode
Application withdrawn · 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.