Postcode record · Harrow
HA3 7SY.
HA3 7SY has 51 known premises and 31 planning records — 17 approved of 31 decided (54.8%). 36 EPC records.
Postcode HA3 7SY · boundary not held, centred on the postcodeApprovedRefusedOther34 on the map — every match
At a glance · this postcodeHarrow profile →
51
Premises
known addresses (UPRNs)
31
Applications
31 decided
54.8%
Approval rate
17 approved · 7 refused
36
EPC records
ratings C 10 · D 21 · E 5
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?
HA3 7SY has 51 known premises and 31 planning records — 17 approved of 31 decided (54.8%). 36 EPC records.
Premises (18 of 51 shown)
Name
Details
UPRN 10002294625
UPRN 10002294626
UPRN 10002294627
UPRN 10015363798
UPRN 10070261903
UPRN 10070265563
UPRN 100021255678
UPRN 100021255687
UPRN 100021255692
UPRN 100021255696
UPRN 10002294625
UPRN 10002294626
UPRN 10002294627
Show all 10 rows
UPRN 10015363798
UPRN 10070261903
UPRN 10070265563
UPRN 100021255678
UPRN 100021255687
UPRN 100021255692
UPRN 100021255696
Planning
What happened?
31 planning applications across the postcode; 17 approved of 31 decided (54.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 6.00 metres deep, 2.90 metres maximum height and 2.90 metres high to the eaves
69 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Prior Notification - Larger Home Extension
Not required
2025-12-18
Alterations to roof; rear dormer; two rooflights in front roofslope; single and two storey rear extension; external alterations
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Householder
Approved
2021-05-27
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Rear dormer; insertion of two rooflights on front roofslope.
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Certificate of Lawful Development Existing
Approved
2020-03-12
Single Storey Rear Extension: 5.50 metres deep, 2.80 metres maximum height, 2.70 metres high to the eaves
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Prior Notification - Larger Home Extension
Approved
2020-02-18
Single Storey Rear Extension: 6.00 metres deep, 2.80 metres maximum height, 2.70 metres high to the eaves
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Prior Notification - Larger Home Extension
Refused
2020-02-13
Certificate of Lawful Development Existing
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Certificate of Lawful Development Existing
Withdrawn
2020-01-13
Single Storey Rear Extension: 6 metres deep, 2.8 metres maximum height, 2.7 metres high to the eaves
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Prior Notification - Larger Home Extension
Withdrawn
2020-01-13
Single Storey Rear Extension: 6 metres deep, 2.8 metres maximum height, 2.7 metres high to the eaves
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Prior Notification - Larger Home Extension
Withdrawn
2020-01-07
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Wrap-a-round side to rear dormer
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Certificate of Lawful Development Existing
Withdrawn
2020-01-07
Conversion of dwellinghouse into two x 1 bed flats; Single storey rear extension; External alterations; Refuse and Cycle storage
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Full Planning Application
Approved
2019-05-15
Single storey rear extension: 6.00 metres deep, 2.90 metres maximum height and 2.90 metres high to the eaves
69 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Not required
2025-12-18
More
Prior Notification - Larger Home Extension
Alterations to roof; rear dormer; two rooflights in front roofslope; single and two storey rear extension; external alterations
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Approved
2021-05-27
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Rear dormer; insertion of two rooflights on front roofslope.
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Approved
2020-03-12
More
Certificate of Lawful Development Existing
Show all 10 rows
Single Storey Rear Extension: 5.50 metres deep, 2.80 metres maximum height, 2.70 metres high to the eaves
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Approved
2020-02-18
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: 6.00 metres deep, 2.80 metres maximum height, 2.70 metres high to the eaves
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Refused
2020-02-13
More
Prior Notification - Larger Home Extension
Certificate of Lawful Development Existing
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Withdrawn
2020-01-13
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: 6 metres deep, 2.8 metres maximum height, 2.7 metres high to the eaves
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Withdrawn
2020-01-13
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: 6 metres deep, 2.8 metres maximum height, 2.7 metres high to the eaves
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Withdrawn
2020-01-07
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Wrap-a-round side to rear dormer
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Withdrawn
2020-01-07
More
Certificate of Lawful Development Existing
Conversion of dwellinghouse into two x 1 bed flats; Single storey rear extension; External alterations; Refuse and Cycle storage
63 Byron Road, Wealdstone, Harrow, HA3 7SY · premises record
Approved
2019-05-15
More
Full Planning Application
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?
Designations are shown per premises today (open any premises above); the postcode-level designation summary is built with the borough entity run. Use the map's designations filter to see them over the postcode now.
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 8 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 8 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent31 applications and 34 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy36 EPC records; ratings C: 10, D: 21, E: 5.
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.
8 intent signals recorded in this postcode
Portfolio seller · Long hold · HMO licensed
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.