Postcode record · Harrow
HA1 4SX.
HA1 4SX has 16 known premises and 35 planning records — 21 approved of 29 decided (72.4%). 8 EPC records.
Postcode HA1 4SX · boundary not held, centred on the postcodeApprovedRefusedOther35 exact35 on the map — every match
At a glance · this postcodeHarrow profile →
16
Premises
known addresses (UPRNs)
35
Applications
29 decided
72.4%
Approval rate
21 approved · 8 refused
8
EPC records
ratings C 4 · D 3 · F 1
35
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 4SX has 16 known premises and 35 planning records — 21 approved of 29 decided (72.4%). 8 EPC records.
Premises
Name
Details
UPRN 10070264245
UPRN 10070264246
UPRN 10070264601
UPRN 10095545674
UPRN 10095545675
UPRN 100021267340
UPRN 100021267343
UPRN 100021267345
UPRN 100021267347
UPRN 100021267349
UPRN 10070264245
UPRN 10070264246
UPRN 10070264601
Show all 10 rows
UPRN 10095545674
UPRN 10095545675
UPRN 100021267340
UPRN 100021267343
UPRN 100021267345
UPRN 100021267347
UPRN 100021267349
Planning
What happened?
35 planning applications across the postcode; 21 approved of 29 decided (72.4%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Proposed): Conversion of single dwelling to six person HMO (no external alterations)
145 Harrow View, Harrow · premises record
Officer Catriona Cooke
Certificate of Lawful Development Proposed
Refused
2026-02-12
Certificate of lawful development (proposed): Conversion of dwelling into house of multiple occupancy for upto 6 persons (Use class C4)
147 Harrow View, Harrow, HA1 4SX · premises record
Certificate of Lawful Development Proposed
Approved
2026-02-12
Certificate of Lawful Proposed Development: Change of use from C3 (Dwelling house) to C4 (HMO for up to 6 persons)
149 Harrow View, Harrow, HA1 4SX · premises record
Officer Deborah Ewenla5
Certificate of Lawful Development Proposed
Approved
2026-02-12
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; three rooflights in front roof slope
149 Harrow View, Harrow, HA1 4SX · premises record
Officer Deborah Ewenla1
Certificate of Lawful Development Proposed
Approved
2025-03-26
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.85 metres high to the eaves
149 Harrow View, Harrow, HA1 4SX · premises record
Officer Deborah Ewenla1
Prior Notification - Larger Home Extension
Not required
2025-03-26
Certificate of Lawful Development (Proposed): Change of use of residential dwelling (C3) to HMO for up to 6 persons (C4)
139 Harrow View, Harrow, HA1 4SX · premises record
Officer Lee Connor
Certificate of Lawful Development Proposed
Approved
2024-10-18
Detached outbuilding at rear for use as office/gym (retrospective); removal of roof overhang to the side and rear of existing outbuilding
139 Harrow View, Harrow, HA1 4SX · premises record
Householder
Approved
2024-08-20
Certificate of Lawful Proposed Development: Change of use from C3 (Dwelling) to C4 (HMO)
139 Harrow View, Harrow, HA1 4SX · premises record
Officer Lee Connor
Certificate of Lawful Development Proposed
Withdrawn
2024-08-11
Outbuilding at rear for use incidental to main dwelling
139 Harrow View, Harrow, HA1 4SX · premises record
Officer Lee Connor
Householder
Approved
2024-04-23
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of three rooflights in front roofslope
139 Harrow View, Harrow, HA1 4SX · premises record
Officer Lee Connor
Certificate of Lawful Development Proposed
Approved
2023-12-08
Certificate of Lawful Development (Proposed): Conversion of single dwelling to six person HMO (no external alterations)
145 Harrow View, Harrow · premises record
Officer Catriona Cooke
Refused
2026-02-12
More
Certificate of Lawful Development Proposed
Certificate of lawful development (proposed): Conversion of dwelling into house of multiple occupancy for upto 6 persons (Use class C4)
147 Harrow View, Harrow, HA1 4SX · premises record
Approved
2026-02-12
More
Certificate of Lawful Development Proposed
Certificate of Lawful Proposed Development: Change of use from C3 (Dwelling house) to C4 (HMO for up to 6 persons)
149 Harrow View, Harrow, HA1 4SX · premises record
Officer Deborah Ewenla5
Approved
2026-02-12
More
Certificate of Lawful Development Proposed
Show all 10 rows
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; three rooflights in front roof slope
149 Harrow View, Harrow, HA1 4SX · premises record
Officer Deborah Ewenla1
Approved
2025-03-26
More
Certificate of Lawful Development Proposed
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.85 metres high to the eaves
149 Harrow View, Harrow, HA1 4SX · premises record
Officer Deborah Ewenla1
Not required
2025-03-26
More
Prior Notification - Larger Home Extension
Certificate of Lawful Development (Proposed): Change of use of residential dwelling (C3) to HMO for up to 6 persons (C4)
139 Harrow View, Harrow, HA1 4SX · premises record
Officer Lee Connor
Approved
2024-10-18
More
Certificate of Lawful Development Proposed
Detached outbuilding at rear for use as office/gym (retrospective); removal of roof overhang to the side and rear of existing outbuilding
139 Harrow View, Harrow, HA1 4SX · premises record
Approved
2024-08-20
More
Householder
Certificate of Lawful Proposed Development: Change of use from C3 (Dwelling) to C4 (HMO)
139 Harrow View, Harrow, HA1 4SX · premises record
Officer Lee Connor
Withdrawn
2024-08-11
More
Certificate of Lawful Development Proposed
Outbuilding at rear for use incidental to main dwelling
139 Harrow View, Harrow, HA1 4SX · premises record
Officer Lee Connor
Approved
2024-04-23
More
Householder
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of three rooflights in front roofslope
139 Harrow View, Harrow, HA1 4SX · premises record
Officer Lee Connor
Approved
2023-12-08
More
Certificate of Lawful Development Proposed
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 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Show all 10 rows
Agent on 1 application
Case officer on 6 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Development
What could it become?
Planning precedent35 applications and 35 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 4, D: 3, 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
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.