Postcode record · Harrow
HA3 8HA.
HA3 8HA has 33 known premises and 24 planning records — 18 approved of 19 decided (94.7%). 20 EPC records.
Postcode HA3 8HA · boundary not held, centred on the postcodeApprovedRefusedOther24 exact24 on the map — every match
At a glance · this postcodeHarrow profile →
33
Premises
known addresses (UPRNs)
24
Applications
19 decided
94.7%
Approval rate
18 approved · 1 refused
20
EPC records
ratings C 5 · D 12 · E 3
24
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 8HA has 33 known premises and 24 planning records — 18 approved of 19 decided (94.7%). 20 EPC records.
Premises (18 of 33 shown)
Name
Details
UPRN 100021270541
UPRN 100021270542
UPRN 100021270543
UPRN 100021270544
UPRN 100021270545
UPRN 100021270546
UPRN 100021270547
UPRN 100021270548
UPRN 100021270549
UPRN 100021270550
UPRN 100021270541
UPRN 100021270542
UPRN 100021270543
Show all 10 rows
UPRN 100021270544
UPRN 100021270545
UPRN 100021270546
UPRN 100021270547
UPRN 100021270548
UPRN 100021270549
UPRN 100021270550
Planning
What happened?
24 planning applications across the postcode; 18 approved of 19 decided (94.7%). Latest 24 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 6.00 metres deep, 3.964 metres maximum height and 2.67 metres high to the eaves
3 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Prior Notification - Larger Home Extension
Not required
2025-06-02
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Alterations to roof; rear dormer; three rooflights in front roof slope
11 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Certificate of Lawful Development Proposed
Approved
2024-05-07
Certificate of lawful development (proposed): Rear dormer with Juliette balcony and installation of three rooflights in front roofslopes
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Certificate of Lawful Development Existing
Approved
2018-12-17
Certificate of lawful development (proposed): Alterations to roof to form rear dormer with Juliette balcony; installation of three rooflights in front roofslopes
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Certificate of Lawful Development Existing
Refused
2018-10-22
Single storey front and two storey side to rear extension; single storey rear extension; rear dormer; three rooflights in front roofslope; external alterations (demolition of conservatory)
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Householder
Withdrawn
2018-08-09
Single storey front and two storey side to rear extension; single storey rear extension; three glazed Juliette balconies at first floor rear; rear dormer with Juliette balcony; three rooflights in front roofslope; external alterations (demolition of conservatory)
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Householder
Approved
2018-05-29
Single and two storey side to rear extension; single storey rear extension (demolition of conservatory)
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Householder
Approved
2018-03-07
Erection of single and two storey side, single-storey rear extension and external alterations involving demolition of existing single-storey side extension and rear conservatory.
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Householder
Approved
2018-01-29
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.6 metres maximum height, 2.8 metres high to the eaves
6 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Prior Notification - Larger Home Extension
Approved
2015-08-14
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): REAR DORMER; INSERTION OF THREE ROOFLIGHTS IN FRONT ROOFSLOPE: FRONT PORCH
3 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Certificate of Lawful Development Existing
Approved
2014-03-14
Single storey rear extension: 6.00 metres deep, 3.964 metres maximum height and 2.67 metres high to the eaves
3 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Not required
2025-06-02
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Alterations to roof; rear dormer; three rooflights in front roof slope
11 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Approved
2024-05-07
More
Certificate of Lawful Development Proposed
Certificate of lawful development (proposed): Rear dormer with Juliette balcony and installation of three rooflights in front roofslopes
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Approved
2018-12-17
More
Certificate of Lawful Development Existing
Show all 10 rows
Certificate of lawful development (proposed): Alterations to roof to form rear dormer with Juliette balcony; installation of three rooflights in front roofslopes
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Refused
2018-10-22
More
Certificate of Lawful Development Existing
Single storey front and two storey side to rear extension; single storey rear extension; rear dormer; three rooflights in front roofslope; external alterations (demolition of conservatory)
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Withdrawn
2018-08-09
More
Householder
Single storey front and two storey side to rear extension; single storey rear extension; three glazed Juliette balconies at first floor rear; rear dormer with Juliette balcony; three rooflights in front roofslope; external alterations (demolition of conservatory)
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Approved
2018-05-29
More
Householder
Single and two storey side to rear extension; single storey rear extension (demolition of conservatory)
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Approved
2018-03-07
More
Householder
Erection of single and two storey side, single-storey rear extension and external alterations involving demolition of existing single-storey side extension and rear conservatory.
31 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Approved
2018-01-29
More
Householder
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.6 metres maximum height, 2.8 metres high to the eaves
6 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Approved
2015-08-14
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): REAR DORMER; INSERTION OF THREE ROOFLIGHTS IN FRONT ROOFSLOPE: FRONT PORCH
3 Hughenden Avenue, Kenton, Harrow, HA3 8HA · premises record
Approved
2014-03-14
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 24 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 6 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 1 application
Applicant on 1 application
Agent on 6 applications
Applicant on 6 applications
Applicant on 2 applications
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
Applicant on 1 application
Agent on 6 applications
Development
What could it become?
Planning precedent24 applications and 24 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 5, D: 12, E: 3.
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.
9 intent signals recorded in this postcode
Listing pulled · Repeat sale · Long hold
Subscribe to see the signals →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.