Postcode record · Harrow
HA1 1XL.
HA1 1XL has 15 known premises and 36 planning records — 16 approved of 34 decided (47.1%). 6 EPC records.
Postcode HA1 1XL · boundary not held, centred on the postcodeApprovedRefusedOther36 on the map — every match
At a glance · this postcodeHarrow profile →
15
Premises
known addresses (UPRNs)
36
Applications
34 decided
47.1%
Approval rate
16 approved · 18 refused
57 days
Median decision time
average 69 days · 35 dated decisions
6
EPC records
ratings C 2 · D 3 · E 1
36
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 1XL has 15 known premises and 36 planning records — 16 approved of 34 decided (47.1%). 6 EPC records.
Premises
Name
Details
UPRN 10095546515
UPRN 10095546516
UPRN 100021262017
UPRN 100021262019
UPRN 100021262021
UPRN 100021262023
UPRN 100021262025
UPRN 100021262027
UPRN 100021262029
UPRN 100021262031
UPRN 10095546515
UPRN 10095546516
UPRN 100021262017
Show all 10 rows
UPRN 100021262019
UPRN 100021262021
UPRN 100021262023
UPRN 100021262025
UPRN 100021262027
UPRN 100021262029
UPRN 100021262031
Planning
What happened?
36 planning applications across the postcode; 16 approved of 34 decided (47.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Two storey side to rear extension
1 & 1A Earls Crescent, Harrow, HA1 1XL · premises record
Officer Luke McBratney
Full Planning Application
Refused
2023-10-23
First floor side extension; single and two storey rear extension; conversion of garage to study with installation of window to front; external alterations (demolition of rear extension)
9 Earls Crescent, Harrow, HA1 1XL · premises record
Officer Akshay Sisodia
Householder
Refused
2022-04-12
Alterations to raise roof height to single storey side element including canopy to front porch; single storey rear extension; external alterations
21 Earls Crescent, Harrow, HA1 1XL · premises record
Officer FEC Fernanda Calore
Householder
Approved
2022-01-21
Alterations to raise roof height to single storey side element including canopy to front porch; single storey rear extension
21 Earls Crescent, Harrow, HA1 1XL · premises record
Officer FEC Fernanda Calore
Householder
Refused
2021-10-20
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Alterations to roof to form a end gable, rear dormer with juliet balcony. Insertion of two rooflights in front roofslope.
21 Earls Crescent, Harrow, HA1 1XL · premises record
Officer FEC Fernanda Calore
Certificate of Lawful Development Existing
Approved
2021-10-18
Single storey rear extension: 6.00 metres deep, 3.80 metres maximum height and 2.90 metres high to the eaves
21 Earls Crescent, Harrow, HA1 1XL · premises record
Officer FEC Fernanda Calore
Prior Notification - Larger Home Extension
Refused
2021-10-18
Redevelopment to provide single storey dwelling in rear garden; separate amenity space; bin and cycle stores; proposed vehicle access
1 Earls Crescent, Harrow · premises record
Officer WILLHO Will Hossack
Full Planning Application
Refused
2021-09-17
First floor side extension; single and two storey rear extension; single storey rear extension
9 Earls Crescent, Harrow, HA1 1XL · premises record
Officer Akshay Sisodia
Householder
Refused
2021-07-28
Conversion of dwelling into two flats (2 X 2 bed); alterations to roof to form end gable and rear dormer; external alterations; single storey dwelling (1 X 1 bed) in rear garden; separate amenity areas; bin and cycle stores
1 Earls Crescent, Harrow · premises record
Officer WILLHO Will Hossack
Full Planning Application
Refused
2021-04-28
Single storey rear extension; alterations and extension to raise garage roof height; conversion of garage to habitable room with installation of window to front; external alterations (demolition of rear extension)
9 Earls Crescent, Harrow, HA1 1XL · premises record
Officer Safwan Ahmed
Householder
Approved
2021-03-15
Two storey side to rear extension
1 & 1A Earls Crescent, Harrow, HA1 1XL · premises record
Officer Luke McBratney
Refused
2023-10-23
More
Full Planning Application
First floor side extension; single and two storey rear extension; conversion of garage to study with installation of window to front; external alterations (demolition of rear extension)
9 Earls Crescent, Harrow, HA1 1XL · premises record
Officer Akshay Sisodia
Refused
2022-04-12
More
Householder
Alterations to raise roof height to single storey side element including canopy to front porch; single storey rear extension; external alterations
21 Earls Crescent, Harrow, HA1 1XL · premises record
Officer FEC Fernanda Calore
Approved
2022-01-21
More
Householder
Show all 10 rows
Alterations to raise roof height to single storey side element including canopy to front porch; single storey rear extension
21 Earls Crescent, Harrow, HA1 1XL · premises record
Officer FEC Fernanda Calore
Refused
2021-10-20
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Alterations to roof to form a end gable, rear dormer with juliet balcony. Insertion of two rooflights in front roofslope.
21 Earls Crescent, Harrow, HA1 1XL · premises record
Officer FEC Fernanda Calore
Approved
2021-10-18
More
Certificate of Lawful Development Existing
Single storey rear extension: 6.00 metres deep, 3.80 metres maximum height and 2.90 metres high to the eaves
21 Earls Crescent, Harrow, HA1 1XL · premises record
Officer FEC Fernanda Calore
Refused
2021-10-18
More
Prior Notification - Larger Home Extension
Redevelopment to provide single storey dwelling in rear garden; separate amenity space; bin and cycle stores; proposed vehicle access
1 Earls Crescent, Harrow · premises record
Officer WILLHO Will Hossack
Refused
2021-09-17
More
Full Planning Application
First floor side extension; single and two storey rear extension; single storey rear extension
9 Earls Crescent, Harrow, HA1 1XL · premises record
Officer Akshay Sisodia
Refused
2021-07-28
More
Householder
Conversion of dwelling into two flats (2 X 2 bed); alterations to roof to form end gable and rear dormer; external alterations; single storey dwelling (1 X 1 bed) in rear garden; separate amenity areas; bin and cycle stores
1 Earls Crescent, Harrow · premises record
Officer WILLHO Will Hossack
Refused
2021-04-28
More
Full Planning Application
Single storey rear extension; alterations and extension to raise garage roof height; conversion of garage to habitable room with installation of window to front; external alterations (demolition of rear extension)
9 Earls Crescent, Harrow, HA1 1XL · premises record
Officer Safwan Ahmed
Approved
2021-03-15
More
Householder
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
Case officer on 4 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 4 applications
Case officer on 4 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent36 applications and 36 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy6 EPC records; ratings C: 2, D: 3, 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.
3 intent signals recorded in this postcode
Appeal dismissed · Long hold
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.