Postcode record · Harrow
HA3 5LB.
HA3 5LB has 12 known premises and 6 planning records — 4 approved of 5 decided (80%). 8 EPC records.
Postcode HA3 5LB · boundary not held, centred on the postcodeApprovedRefusedOther6 exact6 on the map — every match
At a glance · this postcodeHarrow profile →
12
Premises
known addresses (UPRNs)
6
Applications
5 decided
80%
Approval rate
4 approved · 1 refused
8
EPC records
ratings C 2 · D 6
6
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 5LB has 12 known premises and 6 planning records — 4 approved of 5 decided (80%). 8 EPC records.
Premises
Name
Details
UPRN 100021275340
UPRN 100021275342
UPRN 100021275344
UPRN 100021275346
UPRN 100021275348
UPRN 100021275350
UPRN 100021275352
UPRN 100021275354
UPRN 100021275356
UPRN 100021275358
UPRN 100021275340
UPRN 100021275342
UPRN 100021275344
Show all 10 rows
UPRN 100021275346
UPRN 100021275348
UPRN 100021275350
UPRN 100021275352
UPRN 100021275354
UPRN 100021275356
UPRN 100021275358
Planning
What happened?
6 planning applications across the postcode; 4 approved of 5 decided (80%). Latest 6 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 5.70 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
123 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Prior Notification - Larger Home Extension
Not required
2022-08-15
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer, insertion of two rooflights In front roofslope and window in side of end gable
133 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Certificate of Lawful Development Existing
Approved
2020-02-14
Single storey outbuilding in rear gaden (demolition of outbuilding)
133 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Householder
Approved
2020-02-14
FIRST FLOOR SIDE TO REAR EXTENSION
143 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Householder
Approved
2013-04-26
SINGLE AND TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION
139 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Full Planning Application
Approved
2008-07-22
SINGLE & TWO STOREY SIDE EXTENSION, REAR DORMER; CONVERSION OF HOUSE INTO 3 SELF-CONTAINED FLATS WITH PARKING AT FRONT
133 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Full Planning Application
Refused
2004-08-23
Single storey rear extension: 5.70 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
123 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Not required
2022-08-15
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer, insertion of two rooflights In front roofslope and window in side of end gable
133 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Approved
2020-02-14
More
Certificate of Lawful Development Existing
Single storey outbuilding in rear gaden (demolition of outbuilding)
133 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Approved
2020-02-14
More
Householder
Show all 6 rows
FIRST FLOOR SIDE TO REAR EXTENSION
143 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Approved
2013-04-26
More
Householder
SINGLE AND TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION
139 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Approved
2008-07-22
More
Full Planning Application
SINGLE & TWO STOREY SIDE EXTENSION, REAR DORMER; CONVERSION OF HOUSE INTO 3 SELF-CONTAINED FLATS WITH PARKING AT FRONT
133 Long Elmes, Harrow Weald, Harrow, HA3 5LB · premises record
Refused
2004-08-23
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?
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 6 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent6 applications and 6 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 2, D: 6.
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.
4 intent signals recorded in this postcode
Listing pulled · Long hold · Ageing director
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.