Postcode record · Harrow
HA5 5AR.
HA5 5AR has 7 known premises and 8 planning records — 4 approved of 6 decided (66.7%). 7 EPC records.
Postcode HA5 5AR · boundary not held, centred on the postcodeApprovedRefusedOther8 exact8 on the map — every match
At a glance · this postcodeHarrow profile →
7
Premises
known addresses (UPRNs)
8
Applications
6 decided
66.7%
Approval rate
4 approved · 2 refused
7
EPC records
ratings D 4 · E 3
8
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 5AR has 7 known premises and 8 planning records — 4 approved of 6 decided (66.7%). 7 EPC records.
Premises
Name
Details
UPRN 100021302558
UPRN 100021302560
UPRN 100021302562
UPRN 100021302564
UPRN 100021302566
UPRN 100021302568
UPRN 100021302570
UPRN 100021302558
UPRN 100021302560
UPRN 100021302562
Show all 7 rows
UPRN 100021302564
UPRN 100021302566
UPRN 100021302568
UPRN 100021302570
Planning
What happened?
8 planning applications across the postcode; 4 approved of 6 decided (66.7%). Latest 8 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey front extension including roof to single storey front element; single storey rear infill extension
34 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Householder
Pending Consideration
2026-04-10
Alterations to roof to form two front dormers (Demolition of front dormer)
34 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Householder
Approved
2026-01-23
Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; three rooflights in front roof slope; external alterations (demolition of front and rear dormers)
34 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Certificate of Lawful Development Proposed
Approved
2025-11-11
Single storey side extension; first floor front extension with bay windows; first floor side to rear extension; alterations and extension to form crown roof; external alterations
34 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Householder
Refused
2024-02-20
Single storey rear extension; first floor front and rear infill extensions; alterations to roof; rooflight in rear roofslope; alterations and pitched roof to front porch; external alterations (demolition of rear extension)
38 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Householder
Refused
2023-07-31
Single and two storey rear extension; installation and replacement of rooftiles; rooflight in front roofslope; two suntunnels in both side roofslopes; external alterations
38 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Householder
Approved
2021-12-06
Single storey side to rear extension; external alterations
46 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Householder
Approved
2021-03-31
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.95 metres high to the eaves
36 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Prior Notification - Larger Home Extension
Not required
2017-06-22
Single storey front extension including roof to single storey front element; single storey rear infill extension
34 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Pending Consideration
2026-04-10
More
Householder
Alterations to roof to form two front dormers (Demolition of front dormer)
34 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Approved
2026-01-23
More
Householder
Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; three rooflights in front roof slope; external alterations (demolition of front and rear dormers)
34 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Approved
2025-11-11
More
Certificate of Lawful Development Proposed
Show all 8 rows
Single storey side extension; first floor front extension with bay windows; first floor side to rear extension; alterations and extension to form crown roof; external alterations
34 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Refused
2024-02-20
More
Householder
Single storey rear extension; first floor front and rear infill extensions; alterations to roof; rooflight in rear roofslope; alterations and pitched roof to front porch; external alterations (demolition of rear extension)
38 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Refused
2023-07-31
More
Householder
Single and two storey rear extension; installation and replacement of rooftiles; rooflight in front roofslope; two suntunnels in both side roofslopes; external alterations
38 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Approved
2021-12-06
More
Householder
Single storey side to rear extension; external alterations
46 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Approved
2021-03-31
More
Householder
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 2.95 metres high to the eaves
36 Hillcroft Avenue, Rayners Lane, Pinner, Harrow, HA5 5AR · premises record
Not required
2017-06-22
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).
People
Who is involved?
Named on the latest 8 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
Agent on 3 applications
Agent on 2 applications
Agent on 1 application
Agent 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
Agent on 3 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent8 applications and 8 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings D: 4, 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.
No intent signal is currently recorded in this postcode.
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.