Postcode record · Harrow
HA5 1TW.
HA5 1TW has 15 known premises and 16 planning records — 12 approved of 13 decided (92.3%). 9 EPC records.
Postcode HA5 1TW · boundary not held, centred on the postcodeApprovedRefusedOther16 exact1 approximate17 on the map — every match
At a glance · this postcodeHarrow profile →
15
Premises
known addresses (UPRNs)
16
Applications
13 decided
92.3%
Approval rate
12 approved · 1 refused
9
EPC records
ratings C 2 · D 5 · E 2
17
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?
HA5 1TW has 15 known premises and 16 planning records — 12 approved of 13 decided (92.3%). 9 EPC records.
Premises
Name
Details
UPRN 100021298983
UPRN 100021298985
UPRN 100021298987
UPRN 100021298989
UPRN 100021298991
UPRN 100021298993
UPRN 100021298995
UPRN 100021298997
UPRN 100021298999
UPRN 100021299001
UPRN 100021298983
UPRN 100021298985
UPRN 100021298987
Show all 10 rows
UPRN 100021298989
UPRN 100021298991
UPRN 100021298993
UPRN 100021298995
UPRN 100021298997
UPRN 100021298999
UPRN 100021299001
Planning
What happened?
16 planning applications across the postcode; 12 approved of 13 decided (92.3%). Latest 16 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey front extension; conversion of garage to habitable room; external alterations
9 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Householder
Approved
2022-06-16
Single storey rear extension; front porch; first floor rear extension; conversion of garage to study with installation of window to front; external alterations (demolition of conservatory)
3 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Householder
Approved
2019-05-20
Single storey side to rear extension (part demolition of outbuilding)
29 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Householder
Approved
2018-02-26
Conversion of garage to habitable room; external alterations
7 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Householder
Approved
2017-10-25
Certificate of lawful development (proposed): Conversion of garage to habitable room including replacement of garage door with new window
7 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Certificate of Lawful Development Existing
Refused
2017-08-17
Single storey front extension; two storey side extension; single storey rear extension; single storey outbuilding in rear garden; alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope and one in rear roofslope
11 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Householder
Approved
2017-05-11
INVALID - Conversion of existing garage into habitable space
7 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Householder
Withdrawn
2017-02-22
Single storey front extension; two storey side extension; single storey rear extension; single storey outbuilding in rear garden; alterations to roof to form end gable and rear dormer; installation of three rooflights in front roofslope
11 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Full Planning Application
Withdrawn
2016-10-17
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): ALTERATIONS TO ROOF TO FORM END GABLE AND REAR DORMER WITH JULIETTE BALCONY; INSTALLATION OF THREE ROOFLIGHTS IN FRONT ROOFSLOPE AND NEW WINDOW IN SIDE
31 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Certificate of Lawful Development Existing
Approved
2016-07-11
Single storey front extension; conversion of garage to habitable room; external alterations
9 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Approved
2022-06-16
More
Householder
Single storey rear extension; front porch; first floor rear extension; conversion of garage to study with installation of window to front; external alterations (demolition of conservatory)
3 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Approved
2019-05-20
More
Householder
Single storey side to rear extension (part demolition of outbuilding)
29 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Approved
2018-02-26
More
Householder
Show all 10 rows
Conversion of garage to habitable room; external alterations
7 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Approved
2017-10-25
More
Householder
Certificate of lawful development (proposed): Conversion of garage to habitable room including replacement of garage door with new window
7 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Refused
2017-08-17
More
Certificate of Lawful Development Existing
Invalid
7 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Withdrawn
2017-07-11
More
Householder
Single storey front extension; two storey side extension; single storey rear extension; single storey outbuilding in rear garden; alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope and one in rear roofslope
11 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Approved
2017-05-11
More
Householder
INVALID - Conversion of existing garage into habitable space
7 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Withdrawn
2017-02-22
More
Householder
Single storey front extension; two storey side extension; single storey rear extension; single storey outbuilding in rear garden; alterations to roof to form end gable and rear dormer; installation of three rooflights in front roofslope
11 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Withdrawn
2016-10-17
More
Full Planning Application
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): ALTERATIONS TO ROOF TO FORM END GABLE AND REAR DORMER WITH JULIETTE BALCONY; INSTALLATION OF THREE ROOFLIGHTS IN FRONT ROOFSLOPE AND NEW WINDOW IN SIDE
31 Cannonbury Avenue, Pinner, Harrow, HA5 1TW · premises record
Approved
2016-07-11
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 16 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 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 1 application
Applicant on 2 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
Applicant on 1 application
Development
What could it become?
Planning precedent16 applications and 17 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy9 EPC records; ratings C: 2, D: 5, E: 2.
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
The Developer PlanOwnership, 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.