Postcode record · Harrow
HA3 7BZ.
HA3 7BZ has 39 known premises and 42 planning records — 27 approved of 37 decided (73%). 24 EPC records.
Postcode HA3 7BZ · boundary not held, centred on the postcodeApprovedRefusedOther42 exact1 approximate43 on the map — every match
At a glance · this postcodeHarrow profile →
39
Premises
known addresses (UPRNs)
42
Applications
37 decided
73%
Approval rate
27 approved · 10 refused
24
EPC records
ratings C 4 · D 8 · E 11 · F 1
43
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 7BZ has 39 known premises and 42 planning records — 27 approved of 37 decided (73%). 24 EPC records.
Premises (18 of 39 shown)
Name
Details
UPRN 100021259145
UPRN 100021259146
UPRN 100021259147
UPRN 100021259148
UPRN 100021259149
UPRN 100021259150
UPRN 100021259151
UPRN 100021259152
UPRN 100021259153
UPRN 100021259154
UPRN 100021259145
UPRN 100021259146
UPRN 100021259147
Show all 10 rows
UPRN 100021259148
UPRN 100021259149
UPRN 100021259150
UPRN 100021259151
UPRN 100021259152
UPRN 100021259153
UPRN 100021259154
Planning
What happened?
42 planning applications across the postcode; 27 approved of 37 decided (73%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension
2 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Householder
Pending Consideration
2026-04-19
Certificate of Lawful Proposed Development: Detached outbuilding at rear for use as Summerhouse and Store
22 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Certificate of Lawful Development Proposed
Approved
2024-01-31
Single Storey side to rear extension; first floor rear extension.
22 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Householder
Approved
2024-01-02
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 2.90 metres high to the eaves
5 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Prior Notification - Larger Home Extension
Not required
2023-07-31
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Front porch; single storey side extension; side dormer (Demolition of attached garage at side)
1 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Certificate of Lawful Development Existing
Approved
2022-12-12
Alterations and extension to roof to form rear gable; side dormers; rooflight in dormer roof; single storey side to rear extension; installation and blocking up of windows in side elevation; re-location of main entrance to front (demolition of front bay window)
36 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Householder
Approved
2022-11-28
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Front porch; Single storey side extension; Side dormer to both sides (Demolition of attached garage at side)
1 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Certificate of Lawful Development Existing
Refused
2022-09-27
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form rear gable; side dormers; rooflight in dormer roof; single storey side to rear extension; single storey rear extensions; single storey side infill extension; re-location, installation and blocking up of windows i
36 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Certificate of Lawful Development Existing
Approved
2022-08-05
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form rear gable; side dormers; rooflight in dormer roof; single storey side to rear extension; single storey rear extensions; single storey side infill extension; re-location, installation and blocking up of windows i
36 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Certificate of Lawful Development Existing
Refused
2022-06-10
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable, rear dormer, three rooflights in front roofslope, window in end gable
8 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Certificate of Lawful Development Existing
Approved
2021-03-30
Single storey rear extension
2 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Pending Consideration
2026-04-19
More
Householder
Certificate of Lawful Proposed Development: Detached outbuilding at rear for use as Summerhouse and Store
22 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Approved
2024-01-31
More
Certificate of Lawful Development Proposed
Single Storey side to rear extension; first floor rear extension.
22 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Approved
2024-01-02
More
Householder
Show all 10 rows
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 2.90 metres high to the eaves
5 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Not required
2023-07-31
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Front porch; single storey side extension; side dormer (Demolition of attached garage at side)
1 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Approved
2022-12-12
More
Certificate of Lawful Development Existing
Alterations and extension to roof to form rear gable; side dormers; rooflight in dormer roof; single storey side to rear extension; installation and blocking up of windows in side elevation; re-location of main entrance to front (demolition of front bay window)
36 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Approved
2022-11-28
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Front porch; Single storey side extension; Side dormer to both sides (Demolition of attached garage at side)
1 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Refused
2022-09-27
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form rear gable; side dormers; rooflight in dormer roof; single storey side to rear extension; single storey rear extensions; single storey side infill extension; re-location, installation and blocking up of windows i
36 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Approved
2022-08-05
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form rear gable; side dormers; rooflight in dormer roof; single storey side to rear extension; single storey rear extensions; single storey side infill extension; re-location, installation and blocking up of windows i
36 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Refused
2022-06-10
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable, rear dormer, three rooflights in front roofslope, window in end gable
8 College Close, Harrow Weald, Harrow, HA3 7BZ · premises record
Approved
2021-03-30
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).
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 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
Agent on 3 applications
Applicant on 3 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
Agent on 3 applications
Development
What could it become?
Planning precedent42 applications and 43 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy24 EPC records; ratings C: 4, D: 8, E: 11, 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.
Thinking about a project here?
How long would a planning application take here? →
Harrow's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Harrow, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.