Postcode record · Harrow
HA1 4AW.
HA1 4AW has 32 known premises and 6 planning records — 2 approved of 6 decided (33.3%). 16 EPC records.
Postcode HA1 4AW · boundary not held, centred on the postcodeApprovedRefusedOther6 exact6 on the map — every match
At a glance · this postcodeHarrow profile →
32
Premises
known addresses (UPRNs)
6
Applications
6 decided
33.3%
Approval rate
2 approved · 4 refused
16
EPC records
ratings C 1 · D 14 · E 1
6
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 4AW has 32 known premises and 6 planning records — 2 approved of 6 decided (33.3%). 16 EPC records.
Premises (18 of 32 shown)
Name
Details
UPRN 768007141
UPRN 10000005495
UPRN 10025496126
UPRN 10070264270
UPRN 10070270132
UPRN 10094046303
UPRN 100021274549
UPRN 100021274551
UPRN 100021274553
UPRN 100021274555
UPRN 768007141
UPRN 10000005495
UPRN 10025496126
Show all 10 rows
UPRN 10070264270
UPRN 10070270132
UPRN 10094046303
UPRN 100021274549
UPRN 100021274551
UPRN 100021274553
UPRN 100021274555
Planning
What happened?
6 planning applications across the postcode; 2 approved of 6 decided (33.3%). Latest 6 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Proposed): Alterations to roof to form gable end, erection of rear facing dormer, erection of single storey rear extension, and installation of rooflight to front elevation.
31 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Certificate of Lawful Development Proposed
Refused
2024-12-09
Certificate of lawful development (existing): Use of dwelling house as two self-contained flats
31 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Certificate of Lawful Development Existing
Refused
2018-02-05
Certificate of Lawful Development (Proposed) : Alterations to roof to form gable end and rear dormer.
37 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Certificate of Lawful Development Existing
Approved
2017-07-07
CONVERSION TO TWO SELF-CONTAINED FLATS AND SIDE/REAR DORMERS, PARKING AREA AND ACCESS
31 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Full Planning Application
Refused
2004-03-12
SINGLE STOREY REAR EXTENSION
11 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Full Planning Application
Approved
2001-05-24
SINGLE STOREY SIDE EXTENSION
48 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Full Planning Application
Refused
2001-04-09
Certificate of Lawful Development (Proposed): Alterations to roof to form gable end, erection of rear facing dormer, erection of single storey rear extension, and installation of rooflight to front elevation.
31 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Refused
2024-12-09
More
Certificate of Lawful Development Proposed
Certificate of lawful development (existing): Use of dwelling house as two self-contained flats
31 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Refused
2018-02-05
More
Certificate of Lawful Development Existing
Certificate of Lawful Development (Proposed) : Alterations to roof to form gable end and rear dormer.
37 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Approved
2017-07-07
More
Certificate of Lawful Development Existing
Show all 6 rows
CONVERSION TO TWO SELF-CONTAINED FLATS AND SIDE/REAR DORMERS, PARKING AREA AND ACCESS
31 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Refused
2004-03-12
More
Full Planning Application
SINGLE STOREY REAR EXTENSION
11 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Approved
2001-05-24
More
Full Planning Application
SINGLE STOREY SIDE EXTENSION
48 Lascelles Avenue, West Harrow, Harrow, HA1 4AW · premises record
Refused
2001-04-09
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 6 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent6 applications and 6 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 1, D: 14, E: 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
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.