Postcode record · Harrow
HA1 4XQ.
HA1 4XQ has 17 known premises and 18 planning records — 9 approved of 15 decided (60%). 8 EPC records.
Postcode HA1 4XQ · boundary not held, centred on the postcodeApprovedRefusedOther18 exact18 on the map — every match
At a glance · this postcodeHarrow profile →
17
Premises
known addresses (UPRNs)
18
Applications
15 decided
60%
Approval rate
9 approved · 6 refused
8
EPC records
ratings C 2 · D 5 · E 1
18
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 4XQ has 17 known premises and 18 planning records — 9 approved of 15 decided (60%). 8 EPC records.
Premises
Name
Details
UPRN 100021267003
UPRN 100021267005
UPRN 100021267007
UPRN 100021267009
UPRN 100021267011
UPRN 100021267013
UPRN 100021267015
UPRN 100021267017
UPRN 100021267019
UPRN 100021267021
UPRN 100021267003
UPRN 100021267005
UPRN 100021267007
Show all 10 rows
UPRN 100021267009
UPRN 100021267011
UPRN 100021267013
UPRN 100021267015
UPRN 100021267017
UPRN 100021267019
UPRN 100021267021
Planning
What happened?
18 planning applications across the postcode; 9 approved of 15 decided (60%). Latest 18 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey front and side to rear extension (retrospective)
1 Harley Crescent, Harrow, HA1 4XQ · premises record
Householder
Refused
2024-06-06
Single storey front extension; single storey side to rear extension
1 Harley Crescent, Harrow, HA1 4XQ · premises record
Full Planning Application
Refused
2023-07-17
Single storey rear extension; outbuilding at rear for use as gym / store; external alterations (demolition of conservatory and detached garage)
1 Harley Crescent, Harrow, HA1 4XQ · premises record
Householder
Approved
2023-03-27
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.35 metres maximum height, 3 metres high to the eaves
15 Harley Crescent, Harrow, HA1 4XQ · premises record
Prior Notification - Larger Home Extension
Not required
2018-03-14
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.35 metres maximum height, 3 metres high to the eaves
15 Harley Crescent, Harrow, HA1 4XQ · premises record
Prior Notification - Larger Home Extension
Withdrawn
2018-03-09
CERTIFICATE OF LAWFUL DEVELOPMENT (EXISTING): SINGLE STOREY REAR EXTENSION
19 Harley Crescent, Harrow, HA1 4XQ · premises record
Applicant Mr Nalin Weerasekera · Officer LC Lokendra Chemjong
Certificate of Lawful Development Existing
Refused
2016-05-13
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.8 metres high to the eaves
19 Harley Crescent, Harrow, HA1 4XQ · premises record
Prior Notification - Larger Home Extension
Refused
2016-01-28
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.8 metres high to the eaves
15 Harley Crescent, Harrow, HA1 4XQ · premises record
Prior Notification - Larger Home Extension
Withdrawn
2016-01-13
Certificate of Lawful Development (Proposed): Single storey rear extension; partial demolition of detached garage
17 Harley Crescent, Harrow, HA1 4XQ · premises record
Certificate of Lawful Development Existing
Refused
2015-10-19
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.2 metres maximum height, 3 metres high to the eaves
17 Harley Crescent, Harrow, HA1 4XQ · premises record
Prior Notification - Larger Home Extension
Approved
2015-08-24
Single storey front and side to rear extension (retrospective)
1 Harley Crescent, Harrow, HA1 4XQ · premises record
Refused
2024-06-06
More
Householder
Single storey front extension; single storey side to rear extension
1 Harley Crescent, Harrow, HA1 4XQ · premises record
Refused
2023-07-17
More
Full Planning Application
Single storey rear extension; outbuilding at rear for use as gym / store; external alterations (demolition of conservatory and detached garage)
1 Harley Crescent, Harrow, HA1 4XQ · premises record
Approved
2023-03-27
More
Householder
Show all 10 rows
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.35 metres maximum height, 3 metres high to the eaves
15 Harley Crescent, Harrow, HA1 4XQ · premises record
Not required
2018-03-14
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.35 metres maximum height, 3 metres high to the eaves
15 Harley Crescent, Harrow, HA1 4XQ · premises record
Withdrawn
2018-03-09
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (EXISTING): SINGLE STOREY REAR EXTENSION
19 Harley Crescent, Harrow, HA1 4XQ · premises record
Applicant Mr Nalin Weerasekera · Officer LC Lokendra Chemjong
Refused
2016-05-13
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.8 metres high to the eaves
19 Harley Crescent, Harrow, HA1 4XQ · premises record
Refused
2016-01-28
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.8 metres high to the eaves
15 Harley Crescent, Harrow, HA1 4XQ · premises record
Withdrawn
2016-01-13
More
Prior Notification - Larger Home Extension
Certificate of Lawful Development (Proposed): Single storey rear extension; partial demolition of detached garage
17 Harley Crescent, Harrow, HA1 4XQ · premises record
Refused
2015-10-19
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.2 metres maximum height, 3 metres high to the eaves
17 Harley Crescent, Harrow, HA1 4XQ · premises record
Approved
2015-08-24
More
Prior Notification - Larger Home Extension
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).
Harley Road0 mUrban Footpath 69 From 33 Harley Crescent To Marlborough Hill Between 113 And Primary School0 mHarley Crescent0 mWalton Drive39 mWalton Road45 m
People
Who is involved?
Named on the latest 18 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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 1 application
Applicant on 1 application
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
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
Applicant on 1 application
Development
What could it become?
Planning precedent18 applications and 18 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 2, D: 5, E: 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?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.