Planning Atlas
AtlasPostcodeHA14LS
Dev
Session
Tier
Postcode record · Harrow

HA1 4LS.

HA1 4LS has 32 known premises and 34 planning records — 20 approved of 28 decided (71.4%). 18 EPC records.

Postcode unitHarrowOS boundary
HarrowHA1 4LS
Postcode HA1 4LS · boundary not held, centred on the postcodeApprovedRefusedOther34 on the map — every match
At a glance · this postcodeHarrow profile →
32
Premises
known addresses (UPRNs)
34
Applications
28 decided
71.4%
Approval rate
20 approved · 8 refused
56 days
Median decision time
average 98 days · 31 dated decisions
18
EPC records
ratings C 7 · D 8 · E 3
34
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 4LS has 32 known premises and 34 planning records — 20 approved of 28 decided (71.4%). 18 EPC records.

Premises (18 of 32 shown)

Planning

What happened?

34 planning applications across the postcode; 20 approved of 28 decided (71.4%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Proposed): Single-storey rear extension
19 Devonshire Road, Harrow, HA1 4LS · premises record
Certificate of Lawful Development Proposed
Refused
2025-04-22
Conversion of dwelling into two flats (2 x 2 beds); private amenity space for ground floor flat; landscaping; bin / cycle storage
49 Devonshire Road, Harrow · premises record
Full Planning Application
Approved
2024-04-15
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Alterations to roof; rear dormer; three rooflights in front roofslope
31 Devonshire Road, Harrow, HA1 4LS · premises record
Officer Ben Greene
Certificate of Lawful Development Existing
Approved
2023-10-13
Single storey rear extension; external alterations (demolition of rear extensions)
31 Devonshire Road, Harrow, HA1 4LS · premises record
Officer Ben Greene
Householder
Approved
2023-10-13
CERTIFICATE OF LAWFUL DEVELOPMENT (EXISTING): Use of property as 10 self-contained flats
23 Devonshire Road, Hatch End, Harrow · premises record
Certificate of Lawful Development Existing
Approved
2021-08-27
Certificate of lawful development (existing): Single storey outbuilding in rear garden
33 Devonshire Road, Harrow, HA1 4LS · premises record
Certificate of Lawful Development Existing
Approved
2021-07-14
Invalid
33 Devonshire Road, Harrow, HA1 4LS · premises record
Officer Zoe Levassor
Certificate of Lawful Development Existing
Withdrawn
2021-06-08
Single storey rear extension
29 Devonshire Road, Harrow, HA1 4LS · premises record
Householder
Approved
2021-04-29
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Rear dormer and insertion of two rooflights in front roofslope
29 Devonshire Road, Harrow, HA1 4LS · premises record
Certificate of Lawful Development Existing
Approved
2021-03-09
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 3.00 metres high to the eaves
29 Devonshire Road, Harrow, HA1 4LS · premises record
Prior Notification - Larger Home Extension
Refused
2021-03-09
Certificate of Lawful Development (Proposed): Single-storey rear extension
19 Devonshire Road, Harrow, HA1 4LS · premises record
Refused
2025-04-22
More
Certificate of Lawful Development Proposed
Conversion of dwelling into two flats (2 x 2 beds); private amenity space for ground floor flat; landscaping; bin / cycle storage
49 Devonshire Road, Harrow · premises record
Approved
2024-04-15
More
Full Planning Application
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Alterations to roof; rear dormer; three rooflights in front roofslope
31 Devonshire Road, Harrow, HA1 4LS · premises record
Officer Ben Greene
Approved
2023-10-13
More
Certificate of Lawful Development Existing
Show all 10 rows
Single storey rear extension; external alterations (demolition of rear extensions)
31 Devonshire Road, Harrow, HA1 4LS · premises record
Officer Ben Greene
Approved
2023-10-13
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (EXISTING): Use of property as 10 self-contained flats
23 Devonshire Road, Hatch End, Harrow · premises record
Approved
2021-08-27
More
Certificate of Lawful Development Existing
Certificate of lawful development (existing): Single storey outbuilding in rear garden
33 Devonshire Road, Harrow, HA1 4LS · premises record
Approved
2021-07-14
More
Certificate of Lawful Development Existing
Invalid
33 Devonshire Road, Harrow, HA1 4LS · premises record
Officer Zoe Levassor
Withdrawn
2021-06-08
More
Certificate of Lawful Development Existing
Single storey rear extension
29 Devonshire Road, Harrow, HA1 4LS · premises record
Approved
2021-04-29
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Rear dormer and insertion of two rooflights in front roofslope
29 Devonshire Road, Harrow, HA1 4LS · premises record
Approved
2021-03-09
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 3.00 metres high to the eaves
29 Devonshire Road, Harrow, HA1 4LS · premises record
Refused
2021-03-09
More
Prior Notification - Larger Home Extension

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 6 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 3 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 1 application
Case officer on 6 applications
Case officer on 4 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 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 1 application
Development

What could it become?

Planning precedent34 applications and 34 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings C: 7, D: 8, E: 3.
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 Pro

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

1 intent signal recorded in this postcode
Portfolio seller
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 4LS, Harrow: planning and property history | Planning Atlas