Postcode record · Harrow
HA7 4RZ.
HA7 4RZ has 21 known premises and 26 planning records — 19 approved of 23 decided (82.6%). 15 EPC records.
Postcode HA7 4RZ · boundary not held, centred on the postcodeApprovedRefusedOther26 on the map — every match
At a glance · this postcodeHarrow profile →
21
Premises
known addresses (UPRNs)
26
Applications
23 decided
82.6%
Approval rate
19 approved · 4 refused
56 days
Median decision time
average 66 days · 25 dated decisions
15
EPC records
ratings C 2 · D 13
26
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?
HA7 4RZ has 21 known premises and 26 planning records — 19 approved of 23 decided (82.6%). 15 EPC records.
Premises (18 of 21 shown)
Name
Details
UPRN 10070263562
UPRN 100021317031
UPRN 100021317033
UPRN 100021317035
UPRN 100021317037
UPRN 100021317039
UPRN 100021317041
UPRN 100021317043
UPRN 100021317045
UPRN 100021317047
UPRN 10070263562
UPRN 100021317031
UPRN 100021317033
Show all 10 rows
UPRN 100021317035
UPRN 100021317037
UPRN 100021317039
UPRN 100021317041
UPRN 100021317043
UPRN 100021317045
UPRN 100021317047
Planning
What happened?
26 planning applications across the postcode; 19 approved of 23 decided (82.6%). Latest 26 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single Storey Rear Extension: 4.80 metres deep, 3.00 metres maximum height, 2.90 metres high to the eaves
135 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer Safwan Ahmed
Prior Notification - Larger Home Extension
Not required
2020-04-14
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer, insertion of two rooflights in front roofslope and window in side of end gable
143 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer Safwan Ahmed
Certificate of Lawful Development Existing
Approved
2020-04-13
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 2.90 metres high to the eaves
135 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer Safwan Ahmed
Prior Notification - Larger Home Extension
Refused
2020-02-21
Single Storey Rear Extension: 6 metres deep, 3.4 metres maximum height, 3 metres high to the eaves
143 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer WILLHO Will Hossack
Prior Notification - Larger Home Extension
Not required
2020-01-21
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer with juliette balcony, insertion of two rooflights in front roofslope and window in side
135 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer ZM Zakera Matin
Certificate of Lawful Development Existing
Approved
2016-10-12
Certificate of Lawful Development (Proposed): Front porch; alterations to roof to form end gable, rear dormer, insertion of two rooflights in front roofslope and window in side; insertion of window in first floor side elevation
123 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer ZM Zakera Matin
Certificate of Lawful Development Existing
Approved
2016-05-05
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.719 metres maximum height, 3 metres high to the eaves
123 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer LC Lokendra Chemjong
Prior Notification - Larger Home Extension
Approved
2016-05-04
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): SINGLE STOREY REAR EXTENSION
125 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer ZM Zakera Matin
Certificate of Lawful Development Existing
Approved
2016-04-08
Single Storey Rear Extension: extending 4 metres beyond the original rear wall, 3.9 metres maximum height, 2.9 metres high to the eaves
125 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer LC Lokendra Chemjong
Prior Notification - Larger Home Extension
Approved
2015-11-16
Single Storey Rear Extension: extending 4 metres beyond the original rear wall, 3.66 metres maximum height, 2.75 metres high to the eaves
119 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer LC Lokendra Chemjong
Prior Notification - Larger Home Extension
Approved
2015-07-14
Single Storey Rear Extension: 4.80 metres deep, 3.00 metres maximum height, 2.90 metres high to the eaves
135 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer Safwan Ahmed
Not required
2020-04-14
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer, insertion of two rooflights in front roofslope and window in side of end gable
143 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer Safwan Ahmed
Approved
2020-04-13
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 2.90 metres high to the eaves
135 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer Safwan Ahmed
Refused
2020-02-21
More
Prior Notification - Larger Home Extension
Show all 10 rows
Single Storey Rear Extension: 6 metres deep, 3.4 metres maximum height, 3 metres high to the eaves
143 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer WILLHO Will Hossack
Not required
2020-01-21
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer with juliette balcony, insertion of two rooflights in front roofslope and window in side
135 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer ZM Zakera Matin
Approved
2016-10-12
More
Certificate of Lawful Development Existing
Certificate of Lawful Development (Proposed): Front porch; alterations to roof to form end gable, rear dormer, insertion of two rooflights in front roofslope and window in side; insertion of window in first floor side elevation
123 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer ZM Zakera Matin
Approved
2016-05-05
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.719 metres maximum height, 3 metres high to the eaves
123 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer LC Lokendra Chemjong
Approved
2016-05-04
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): SINGLE STOREY REAR EXTENSION
125 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer ZM Zakera Matin
Approved
2016-04-08
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 4 metres beyond the original rear wall, 3.9 metres maximum height, 2.9 metres high to the eaves
125 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer LC Lokendra Chemjong
Approved
2015-11-16
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 4 metres beyond the original rear wall, 3.66 metres maximum height, 2.75 metres high to the eaves
119 Merrion Avenue, Stanmore, Harrow, HA7 4RZ · premises record
Officer LC Lokendra Chemjong
Approved
2015-07-14
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 26 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 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 3 applications
Case officer on 3 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 applications
Case officer on 3 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
Development
What could it become?
Planning precedent26 applications and 26 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 2, D: 13.
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.