Postcode record · Harrow
HA3 7DX.
HA3 7DX has 15 known premises and 9 planning records — 3 approved of 7 decided (42.9%). 15 EPC records.
Postcode HA3 7DX · boundary not held, centred on the postcodeApprovedRefusedOther9 on the map — every match
At a glance · this postcodeHarrow profile →
15
Premises
known addresses (UPRNs)
9
Applications
7 decided
42.9%
Approval rate
3 approved · 3 refused
15
EPC records
ratings C 8 · D 7
9
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?
HA3 7DX has 15 known premises and 9 planning records — 3 approved of 7 decided (42.9%). 15 EPC records.
Premises
Name
Details
UPRN 10070268434
UPRN 100021278123
UPRN 100021278124
UPRN 100021278126
UPRN 100021278129
UPRN 100021278131
UPRN 100021278133
UPRN 100021278135
UPRN 100021278137
UPRN 100021278139
UPRN 10070268434
UPRN 100021278123
UPRN 100021278124
Show all 10 rows
UPRN 100021278126
UPRN 100021278129
UPRN 100021278131
UPRN 100021278133
UPRN 100021278135
UPRN 100021278137
UPRN 100021278139
Planning
What happened?
9 planning applications across the postcode; 3 approved of 7 decided (42.9%). Latest 9 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of lawful development (proposed); change of use from C3(a) to C3(b) to allow for up to six people living together as a single household while receiving care
3 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Certificate of Lawful Development Proposed
Pending Consideration
2026-04-14
Certificate of lawful development (proposed); change of use from C3(a) to C3(b) to allow for up to six people living together as a single household while receiving care
5 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Certificate of Lawful Development Proposed
Pending Consideration
2026-04-14
First and second floor side to rear extension
3 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Householder
Refused
2025-05-27
Certificate of Lawful Development (Proposed): Single storey rear extension
5 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Certificate of Lawful Development Proposed
Approved
2024-08-15
Single storey rear extension: 6.00 metres deep, 3.15 metres maximum height and 3.00 metres high to the eaves
5 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Prior Notification - Larger Home Extension
Not required
2024-07-16
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension; conversion of garage to habitable room with installation of window to front and rooflight
13 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Certificate of Lawful Development Existing
Approved
2023-03-20
Three storey side extension to create (3 bed) dwelling); bin and cycle stores (demolition of side extension)
3 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Full Planning Application
Refused
2022-11-29
Three storey side extension to create (3 bed) dwelling); bin and cycle stores (demolition of side extension)
3 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Full Planning Application
Refused
2022-02-21
ALTERATIONS TO FRONT ELEVATION AND CONVERSION OF GARAGE TO HABITABLE ROOM.
29 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Full Planning Application
Approved
2004-10-08
Certificate of lawful development (proposed); change of use from C3(a) to C3(b) to allow for up to six people living together as a single household while receiving care
3 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Pending Consideration
2026-04-14
More
Certificate of Lawful Development Proposed
Certificate of lawful development (proposed); change of use from C3(a) to C3(b) to allow for up to six people living together as a single household while receiving care
5 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Pending Consideration
2026-04-14
More
Certificate of Lawful Development Proposed
First and second floor side to rear extension
3 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Refused
2025-05-27
More
Householder
Show all 9 rows
Certificate of Lawful Development (Proposed): Single storey rear extension
5 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Approved
2024-08-15
More
Certificate of Lawful Development Proposed
Single storey rear extension: 6.00 metres deep, 3.15 metres maximum height and 3.00 metres high to the eaves
5 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Not required
2024-07-16
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension; conversion of garage to habitable room with installation of window to front and rooflight
13 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Approved
2023-03-20
More
Certificate of Lawful Development Existing
Three storey side extension to create (3 bed) dwelling); bin and cycle stores (demolition of side extension)
3 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Refused
2022-11-29
More
Full Planning Application
Three storey side extension to create (3 bed) dwelling); bin and cycle stores (demolition of side extension)
3 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Refused
2022-02-21
More
Full Planning Application
ALTERATIONS TO FRONT ELEVATION AND CONVERSION OF GARAGE TO HABITABLE ROOM.
29 Montrose Road, Wealdstone, Harrow, HA3 7DX · premises record
Approved
2004-10-08
More
Full Planning Application
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 9 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 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 5 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 5 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent9 applications and 9 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 8, D: 7.
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.
4 intent signals recorded in this postcode
Appeal dismissed · 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.