Postcode record · Harrow
HA4 0QN.
HA4 0QN has 44 known premises and 24 planning records — 14 approved of 18 decided (77.8%). 24 EPC records.
Postcode HA4 0QN · boundary not held, centred on the postcodeApprovedRefusedOther25 on the map — every match
At a glance · this postcodeHarrow profile →
44
Premises
known addresses (UPRNs)
24
Applications
18 decided
77.8%
Approval rate
14 approved · 4 refused
56 days
Median decision time
average 71 days · 23 dated decisions
24
EPC records
ratings B 1 · C 3 · D 16 · E 4
25
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?
HA4 0QN has 44 known premises and 24 planning records — 14 approved of 18 decided (77.8%). 24 EPC records.
Premises (18 of 44 shown)
Name
Details
UPRN 10070264513
UPRN 10070264514
UPRN 10091094541
UPRN 200000307921
UPRN 200000307922
UPRN 200000307923
UPRN 200000307924
UPRN 200000307925
UPRN 200000307926
UPRN 200000307927
UPRN 10070264513
UPRN 10070264514
UPRN 10091094541
Show all 10 rows
UPRN 200000307921
UPRN 200000307922
UPRN 200000307923
UPRN 200000307924
UPRN 200000307925
UPRN 200000307926
UPRN 200000307927
Planning
What happened?
24 planning applications across the postcode; 14 approved of 18 decided (77.8%). Latest 24 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 6.00 metres deep, 3.17 metres maximum height and 2.90 metres high to the eaves
869 Field End Road Ruislip Hillingdon HA4 0QN · premises record
Officer Agnes Wanja
Prior Notification - Larger Home Extension
Not required
2023-02-02
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
867 Field End Road Ruislip Hillingdon HA4 0QN · premises record
Officer Ben Greene
Certificate of Lawful Development Existing
Approved
2023-01-26
Single storey rear extension: 6.00 metres deep, 3.17 metres maximum height and 2.90 metres high to the eaves
869 Field End Road Ruislip Hillingdon HA4 0QN · premises record
Officer Agnes Wanja
Prior Notification - Larger Home Extension
Refused
2022-11-28
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey front extension to existing outbuilding
855 Field End Road Ruislip Hillingdon HA4 0QN · premises record
Officer Agnes Wanja
Certificate of Lawful Development Existing
Approved
2022-08-25
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable; rear dormer; juliette balcony; two rooflights in front roofslope; window in side.
859 Field End Road Ruislip HA4 0QN · premises record
Officer SHL Shamal London
Certificate of Lawful Development Existing
Approved
2020-12-24
Single and two storey rear extension; glass balustrade to rear at first floor level; external alterations
859 Field End Road Ruislip HA4 0QN · premises record
Officer SHL Shamal London
Householder
Approved
2020-12-24
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.92 metres high to the eaves.
859 Field End Road Ruislip HA4 0QN · premises record
Officer SHL Shamal London
Prior Notification - Larger Home Extension
Not required
2020-12-24
Single storey front extension incorporating front porch; single and two storey side extension; external alterations (demolition of attached garage)
883 Field End Road Ruislip HA4 0QN · premises record
Officer Catriona Cooke
Householder
Refused
2017-11-14
Single Storey Rear Extension: extending 5 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
857 Field End Road Ruislip HA4 0QN · premises record
Officer Kimry Schlacter
Prior Notification - Larger Home Extension
Not required
2017-07-14
Single Storey Rear Extension: extending 5.3 metres beyond the original rear wall, 3.5 metres maximum height, 3 metres high to the eaves
843 Field End Road South Ruislip HA4 0QN · premises record
Officer TM Tendai Mutasa
Prior Notification - Larger Home Extension
Approved
2017-04-04
Single storey rear extension: 6.00 metres deep, 3.17 metres maximum height and 2.90 metres high to the eaves
869 Field End Road Ruislip Hillingdon HA4 0QN · premises record
Officer Agnes Wanja
Not required
2023-02-02
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
867 Field End Road Ruislip Hillingdon HA4 0QN · premises record
Officer Ben Greene
Approved
2023-01-26
More
Certificate of Lawful Development Existing
Single storey rear extension: 6.00 metres deep, 3.17 metres maximum height and 2.90 metres high to the eaves
869 Field End Road Ruislip Hillingdon HA4 0QN · premises record
Officer Agnes Wanja
Refused
2022-11-28
More
Prior Notification - Larger Home Extension
Show all 10 rows
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey front extension to existing outbuilding
855 Field End Road Ruislip Hillingdon HA4 0QN · premises record
Officer Agnes Wanja
Approved
2022-08-25
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable; rear dormer; juliette balcony; two rooflights in front roofslope; window in side.
859 Field End Road Ruislip HA4 0QN · premises record
Officer SHL Shamal London
Approved
2020-12-24
More
Certificate of Lawful Development Existing
Single and two storey rear extension; glass balustrade to rear at first floor level; external alterations
859 Field End Road Ruislip HA4 0QN · premises record
Officer SHL Shamal London
Approved
2020-12-24
More
Householder
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.92 metres high to the eaves.
859 Field End Road Ruislip HA4 0QN · premises record
Officer SHL Shamal London
Not required
2020-12-24
More
Prior Notification - Larger Home Extension
Single storey front extension incorporating front porch; single and two storey side extension; external alterations (demolition of attached garage)
883 Field End Road Ruislip HA4 0QN · premises record
Officer Catriona Cooke
Refused
2017-11-14
More
Householder
Single Storey Rear Extension: extending 5 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
857 Field End Road Ruislip HA4 0QN · premises record
Officer Kimry Schlacter
Not required
2017-07-14
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 5.3 metres beyond the original rear wall, 3.5 metres maximum height, 3 metres high to the eaves
843 Field End Road South Ruislip HA4 0QN · premises record
Officer TM Tendai Mutasa
Approved
2017-04-04
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 24 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 5 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 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 1 application
Case officer on 5 applications
Case officer on 3 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 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 1 application
Development
What could it become?
Planning precedent24 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy24 EPC records; ratings B: 1, C: 3, D: 16, E: 4.
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.
8 intent signals recorded in this postcode
Price decline · Long hold · HMO licensed
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.