Planning Atlas
AtlasPostcodeHA51HL
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Session
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Postcode record · Harrow

HA5 1HL.

HA5 1HL has 23 known premises and 35 planning records — 21 approved of 29 decided (72.4%). 18 EPC records.

Postcode unitHarrowOS boundary
HarrowHA5 1HL
Postcode HA5 1HL · boundary not held, centred on the postcodeApprovedRefusedOther35 on the map — every match
At a glance · this postcodeHarrow profile →
23
Premises
known addresses (UPRNs)
35
Applications
29 decided
72.4%
Approval rate
21 approved · 8 refused
18
EPC records
ratings C 2 · D 9 · E 6 · 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?

HA5 1HL has 23 known premises and 35 planning records — 21 approved of 29 decided (72.4%). 18 EPC records.

Premises (18 of 23 shown)

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
Single and two storey side to rear extensions; attached garage; rear dormer; external alterations (Demolition of porch canopy, side extension, and detached garage)
24 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Anna Snow
Householder
Pending Consideration
2026-04-02
Single storey front extension, Relocation of entrance door to front elevation, Two storey side to rear extension, Single storey rear extension, External alterations (Demolition of Porch canopy, side extension and detached garage)
24 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Householder
Withdrawn
2025-04-01
Single storey rear extension
14 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Agnes Wanja
Householder
Approved
2025-03-31
Certificate of Lawful Development (Proposed): Erection of outbuilding to be used as tool shed, refuse storage and gym/garden store
14 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Agnes Wanja
Certificate of Lawful Development Proposed
Approved
2024-10-04
Single storey side extension, Single and two storey rear extension (Demolition of detached garage)
20 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Marcus Boddy
Householder
Approved
2024-08-29
Certificate of Lawful Development (Proposed): Side Dormer and Loft Conversion
20 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Marcus Boddy
Certificate of Lawful Development Proposed
Not required
2024-08-29
Certificate of Lawful Development (Proposed): Outbuilding at rear for use incidental to main dwelling
38 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Marcus Boddy
Certificate of Lawful Development Proposed
Approved
2024-06-05
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): outbuilding to rear for use as a granny annexe featuring a gym, study and shower room.
38 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Ben Greene
Certificate of Lawful Development Proposed
Refused
2023-11-07
T7 Oak (front, near left boundary): Crown lift all round to give approx. 5m ground clearance by removing lowest 2 x smaller diameter branches and epicormic growth from main stem Pyracantha: Crown Reduce height by approx. 2m Laurel: hedge trim house side and ends hard back as possible to remove annua
8 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Works to Protected Trees
Approved
2023-10-18
Certificate of Lawful Development Existing
14 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Agnes Wanja
Certificate of Lawful Development Existing
Withdrawn
2023-09-04
Single and two storey side to rear extensions; attached garage; rear dormer; external alterations (Demolition of porch canopy, side extension, and detached garage)
24 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Anna Snow
Pending Consideration
2026-04-02
More
Householder
Single storey front extension, Relocation of entrance door to front elevation, Two storey side to rear extension, Single storey rear extension, External alterations (Demolition of Porch canopy, side extension and detached garage)
24 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Withdrawn
2025-04-01
More
Householder
Single storey rear extension
14 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Agnes Wanja
Approved
2025-03-31
More
Householder
Show all 10 rows
Certificate of Lawful Development (Proposed): Erection of outbuilding to be used as tool shed, refuse storage and gym/garden store
14 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Agnes Wanja
Approved
2024-10-04
More
Certificate of Lawful Development Proposed
Single storey side extension, Single and two storey rear extension (Demolition of detached garage)
20 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Marcus Boddy
Approved
2024-08-29
More
Householder
Certificate of Lawful Development (Proposed): Side Dormer and Loft Conversion
20 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Marcus Boddy
Not required
2024-08-29
More
Certificate of Lawful Development Proposed
Certificate of Lawful Development (Proposed): Outbuilding at rear for use incidental to main dwelling
38 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Marcus Boddy
Approved
2024-06-05
More
Certificate of Lawful Development Proposed
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): outbuilding to rear for use as a granny annexe featuring a gym, study and shower room.
38 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Ben Greene
Refused
2023-11-07
More
Certificate of Lawful Development Proposed
T7 Oak (front, near left boundary): Crown lift all round to give approx. 5m ground clearance by removing lowest 2 x smaller diameter branches and epicormic growth from main stem Pyracantha: Crown Reduce height by approx. 2m Laurel: hedge trim house side and ends hard back as possible to remove annua
8 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Approved
2023-10-18
More
Works to Protected Trees
Certificate of Lawful Development Existing
14 Cannon Lane, Pinner, Harrow, HA5 1HL · premises record
Officer Agnes Wanja
Withdrawn
2023-09-04
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).

Cannon Lane0 mHereford Gardens0 mEastcote Road0 mVale Croft0 mUrban Footpath 23 From Next To 22b Cannon Lane To Pinner Grove Estate6 mGrove Avenue19 mPinner Grove22 m
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 5 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 1 application
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 5 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 applications
Case officer on 3 applications
Case officer on 1 application
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 precedent35 applications and 35 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings C: 2, D: 9, E: 6, 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 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.

2 intent signals recorded in this postcode
Appeal dismissed · EPC F/G
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
HA5 1HL, Harrow: planning and property history | Planning Atlas