Postcode record · Harrow
HA1 3RG.
HA1 3RG has 43 known premises and 50 planning records — 22 approved of 43 decided (51.2%). 25 EPC records.
Postcode HA1 3RG · boundary not held, centred on the postcodeApprovedRefusedOther50 on the map — every match
At a glance · this postcodeHarrow profile →
43
Premises
known addresses (UPRNs)
50
Applications
43 decided
51.2%
Approval rate
22 approved · 21 refused
25
EPC records
ratings C 4 · D 15 · E 6
50
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 3RG has 43 known premises and 50 planning records — 22 approved of 43 decided (51.2%). 25 EPC records.
Premises (18 of 43 shown)
Name
Details
UPRN 10000001305
UPRN 10000001306
UPRN 10000001308
UPRN 10010598011
UPRN 100021257047
UPRN 100021257049
UPRN 100021257051
UPRN 100021257053
UPRN 100021257055
UPRN 100021257057
UPRN 10000001305
UPRN 10000001306
UPRN 10000001308
Show all 10 rows
UPRN 10010598011
UPRN 100021257047
UPRN 100021257049
UPRN 100021257051
UPRN 100021257053
UPRN 100021257055
UPRN 100021257057
Planning
What happened?
50 planning applications across the postcode; 22 approved of 43 decided (51.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
INVALID - ANA - FEE REFUNDED
52 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer Zoe Levassor
Certificate of Lawful Development Existing
Withdrawn
2022-08-19
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.70 metres high to the eaves
52 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer MOR Morgan Roberts
Prior Notification - Larger Home Extension
Not required
2022-08-18
Single storey rear extension
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer BTH Ben Thompson
Householder
Approved
2021-12-20
Single Storey Rear Extension: 6.00 metres deep, 3.85 metres maximum height, 2.90 metres high to the eaves
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer ASP Asia Pineau
Prior Notification - Larger Home Extension
Withdrawn
2021-12-10
Single Storey Rear Extension: 6.00 metres deep, 3.50 metres maximum height, 3.00 metres high to the eaves
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer ASP Asia Pineau
Prior Notification - Larger Home Extension
Refused
2021-11-08
Single storey side and rear extension; patio and external steps at rear (demolition of attached garage and utility room)
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer BSC Ben Schnell
Householder
Approved
2019-03-12
Single storey side and rear extension; patio and external steps at rear (demolition of attached garage)
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer BSC Ben Schnell
Householder
Refused
2018-11-05
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.742 metres maximum height, 3 metres high to the eaves
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer PE Peter Elia
Prior Notification - Larger Home Extension
Refused
2018-05-22
Certificate of lawful development (proposed): Single storey rear extension
64 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer BSC Ben Schnell
Certificate of Lawful Development Existing
Refused
2018-05-09
Front porch; Rear conservatory
78 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer JM Justine Mahanga
Householder
Approved
2018-03-22
INVALID - ANA - FEE REFUNDED
52 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer Zoe Levassor
Withdrawn
2022-08-19
More
Certificate of Lawful Development Existing
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.70 metres high to the eaves
52 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer MOR Morgan Roberts
Not required
2022-08-18
More
Prior Notification - Larger Home Extension
Single storey rear extension
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer BTH Ben Thompson
Approved
2021-12-20
More
Householder
Show all 10 rows
Single Storey Rear Extension: 6.00 metres deep, 3.85 metres maximum height, 2.90 metres high to the eaves
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer ASP Asia Pineau
Withdrawn
2021-12-10
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: 6.00 metres deep, 3.50 metres maximum height, 3.00 metres high to the eaves
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer ASP Asia Pineau
Refused
2021-11-08
More
Prior Notification - Larger Home Extension
Single storey side and rear extension; patio and external steps at rear (demolition of attached garage and utility room)
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer BSC Ben Schnell
Approved
2019-03-12
More
Householder
Single storey side and rear extension; patio and external steps at rear (demolition of attached garage)
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer BSC Ben Schnell
Refused
2018-11-05
More
Householder
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.742 metres maximum height, 3 metres high to the eaves
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer PE Peter Elia
Refused
2018-05-22
More
Prior Notification - Larger Home Extension
Certificate of lawful development (proposed): Single storey rear extension
64 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer BSC Ben Schnell
Refused
2018-05-09
More
Certificate of Lawful Development Existing
Front porch; Rear conservatory
78 Cavendish Avenue, Sudbury, Harrow, HA1 3RG · premises record
Officer JM Justine Mahanga
Approved
2018-03-22
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 6 applications
Case officer on 5 applications
Case officer on 5 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 6 applications
Case officer on 5 applications
Case officer on 5 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent50 applications and 50 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy25 EPC records; ratings C: 4, D: 15, E: 6.
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.