Planning Atlas
AtlasPostcodeHA37PS
Dev
Session
Tier
Postcode record · Harrow

HA3 7PS.

HA3 7PS has 47 known premises and 81 planning records — 43 approved of 71 decided (60.6%). 24 EPC records.

Postcode unitHarrowOS boundary
HarrowHA3 7PS
Postcode HA3 7PS · boundary not held, centred on the postcodeApprovedRefusedOther81 on the map — every match
At a glance · this postcodeHarrow profile →
47
Premises
known addresses (UPRNs)
81
Applications
71 decided
60.6%
Approval rate
43 approved · 28 refused
24
EPC records
ratings C 2 · D 15 · E 5 · F 1 · G 1
81
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?

HA3 7PS has 47 known premises and 81 planning records — 43 approved of 71 decided (60.6%). 24 EPC records.

Premises (18 of 47 shown)

Planning

What happened?

81 planning applications across the postcode; 43 approved of 71 decided (60.6%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Re-location of entrance door to front elevation, Single storey side extension, Single storey rear extension (Demolition of ground floor front bay window and detached outbuilding at rear)
39 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer Luke Boadle
Householder
Approved
2025-11-14
Single storey rear infill extension with flat roof; external alterations
77 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer John Lo
Householder
Approved
2025-09-29
Certificate of lawful development (proposed): Alterations to roof to form wrap around dormer to side and rear roofslopes
77 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer John Lo
Certificate of Lawful Development Proposed
Approved
2025-09-29
First floor side to rear extension, Single storey rear extension, Alterations to roof to form rear dormer, Roof lights in front and side roof slopes
11 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer Jack Wride
Householder
Approved
2025-01-06
Certificate of Lawful Proposed Development: Single storey side extension, side dormer, removal of bay window in front elevation and replacement with entrance door
41 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Certificate of Lawful Development Proposed
Approved
2024-06-27
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
41 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Prior Notification - Larger Home Extension
Not required
2024-06-27
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Single storey side extension; single storey rear extensions; alterations to roof; side dormer
41 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Certificate of Lawful Development Proposed
Refused
2024-04-22
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
41 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Prior Notification - Larger Home Extension
Refused
2024-04-22
Single storey rear extension
59 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer Lee Connor
Householder
Approved
2024-02-21
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; side dormer
33 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer Lee Connor
Certificate of Lawful Development Existing
Approved
2023-01-25
Re-location of entrance door to front elevation, Single storey side extension, Single storey rear extension (Demolition of ground floor front bay window and detached outbuilding at rear)
39 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer Luke Boadle
Approved
2025-11-14
More
Householder
Single storey rear infill extension with flat roof; external alterations
77 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer John Lo
Approved
2025-09-29
More
Householder
Certificate of lawful development (proposed): Alterations to roof to form wrap around dormer to side and rear roofslopes
77 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer John Lo
Approved
2025-09-29
More
Certificate of Lawful Development Proposed
Show all 10 rows
First floor side to rear extension, Single storey rear extension, Alterations to roof to form rear dormer, Roof lights in front and side roof slopes
11 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer Jack Wride
Approved
2025-01-06
More
Householder
Certificate of Lawful Proposed Development: Single storey side extension, side dormer, removal of bay window in front elevation and replacement with entrance door
41 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Approved
2024-06-27
More
Certificate of Lawful Development Proposed
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
41 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Not required
2024-06-27
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Single storey side extension; single storey rear extensions; alterations to roof; side dormer
41 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Refused
2024-04-22
More
Certificate of Lawful Development Proposed
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
41 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Refused
2024-04-22
More
Prior Notification - Larger Home Extension
Single storey rear extension
59 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer Lee Connor
Approved
2024-02-21
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; side dormer
33 Grasmere Gardens, Harrow Weald, Harrow, HA3 7PS · premises record
Officer Lee Connor
Approved
2023-01-25
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.

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 5 applications
Case officer on 5 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 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 5 applications
Case officer on 5 applications
Case officer on 4 applications
Show all 10 rows
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
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent81 applications and 81 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy24 EPC records; ratings C: 2, D: 15, E: 5, F: 1, G: 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.

5 intent signals recorded in this postcode
EPC F/G · Repeat sale · Long hold
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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.
HA3 7PS, Harrow: planning and property history | Planning Atlas