Postcode record · Harrow
HA1 4AD.
HA1 4AD has 21 known premises and 31 planning records — 19 approved of 26 decided (73.1%). 11 EPC records.
Postcode HA1 4AD · boundary not held, centred on the postcodeApprovedRefusedOther31 exact31 on the map — every match
At a glance · this postcodeHarrow profile →
21
Premises
known addresses (UPRNs)
31
Applications
26 decided
73.1%
Approval rate
19 approved · 7 refused
11
EPC records
ratings C 2 · D 5 · E 3 · F 1
31
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 4AD has 21 known premises and 31 planning records — 19 approved of 26 decided (73.1%). 11 EPC records.
Premises (18 of 21 shown)
Name
Details
UPRN 10000002022
UPRN 100021295224
UPRN 100021295225
UPRN 100021295226
UPRN 100021295227
UPRN 100021295228
UPRN 100021295229
UPRN 100021295230
UPRN 100021295231
UPRN 100021295232
UPRN 10000002022
UPRN 100021295224
UPRN 100021295225
Show all 10 rows
UPRN 100021295226
UPRN 100021295227
UPRN 100021295228
UPRN 100021295229
UPRN 100021295230
UPRN 100021295231
UPRN 100021295232
Planning
What happened?
31 planning applications across the postcode; 19 approved of 26 decided (73.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Existing): Single storey rear extension; conversion of garage into habitable room; external alterations
66 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Officer Ian Opolot
Certificate of Lawful Development Existing
Approved
2026-03-28
Certificate of Lawful Existing Development: Single storey side to rear extension; External alterations (Demolition of attached garage)
66 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Applicant Paul Stewart · Officer Ian Opolot
Certificate of Lawful Development Existing
Refused
2025-11-11
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable with window; rooflight in rear roof slope
54 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Certificate of Lawful Development Proposed
Approved
2025-10-29
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of rooflight in front roofslope and new window in gable end
52 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Applicant Mr Rohan De Souza · Officer Catriona Cooke
Certificate of Lawful Development Proposed
Approved
2025-03-07
New roof, external walls and fenestration to rear conservatory; external alterations
62 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Householder
Approved
2024-09-06
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer with Juliette balcony; installation of two rooflights in front roofslope and new window in gable end
62 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Certificate of Lawful Development Proposed
Approved
2024-05-30
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Alterations and extension to roof to form end gable; rear dormer with Juliette balcony; rooflights in front roofslope; window in end gable; alterations to side elevation and replacement of conservatory roof with installation of bi-fold doors; installation
62 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Certificate of Lawful Development Proposed
Refused
2024-03-05
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable; front porch (demolition of front porch and rear dormer)
44 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Officer HAP Hayden Parker
Certificate of Lawful Development Existing
Approved
2022-10-21
Single storey rear extension; external alterations (part demolition of rear extension)
44 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Householder
Approved
2022-10-19
Single storey side to rear extension incorporating garage
50 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Officer SHL Shamal London
Householder
Approved
2021-04-01
Certificate of Lawful Development (Existing): Single storey rear extension; conversion of garage into habitable room; external alterations
66 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Officer Ian Opolot
Approved
2026-03-28
More
Certificate of Lawful Development Existing
Certificate of Lawful Existing Development: Single storey side to rear extension; External alterations (Demolition of attached garage)
66 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Applicant Paul Stewart · Officer Ian Opolot
Refused
2025-11-11
More
Certificate of Lawful Development Existing
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable with window; rooflight in rear roof slope
54 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Approved
2025-10-29
More
Certificate of Lawful Development Proposed
Show all 10 rows
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of rooflight in front roofslope and new window in gable end
52 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Applicant Mr Rohan De Souza · Officer Catriona Cooke
Approved
2025-03-07
More
Certificate of Lawful Development Proposed
New roof, external walls and fenestration to rear conservatory; external alterations
62 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Approved
2024-09-06
More
Householder
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer with Juliette balcony; installation of two rooflights in front roofslope and new window in gable end
62 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Approved
2024-05-30
More
Certificate of Lawful Development Proposed
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Alterations and extension to roof to form end gable; rear dormer with Juliette balcony; rooflights in front roofslope; window in end gable; alterations to side elevation and replacement of conservatory roof with installation of bi-fold doors; installation
62 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Refused
2024-03-05
More
Certificate of Lawful Development Proposed
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable; front porch (demolition of front porch and rear dormer)
44 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Officer HAP Hayden Parker
Approved
2022-10-21
More
Certificate of Lawful Development Existing
Single storey rear extension; external alterations (part demolition of rear extension)
44 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Approved
2022-10-19
More
Householder
Single storey side to rear extension incorporating garage
50 Whitmore Road, West Harrow, Harrow, HA1 4AD · premises record
Officer SHL Shamal London
Approved
2021-04-01
More
Householder
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 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 1 application
Applicant on 3 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 1 application
Development
What could it become?
Planning precedent31 applications and 31 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings C: 2, D: 5, E: 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.