Postcode record · Brent
HA3 0QJ.
HA3 0QJ has 23 known premises and 22 planning records — 13 approved of 21 decided (61.9%). 13 EPC records.
Postcode HA3 0QJ · boundary not held, centred on the postcodeApprovedRefusedOther22 exact1 approximate23 on the map — every match
At a glance · this postcodeBrent profile →
23
Premises
known addresses (UPRNs)
22
Applications
21 decided
61.9%
Approval rate
13 approved · 6 refused
13
EPC records
ratings C 5 · D 5 · E 2 · G 1
23
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 0QJ has 23 known premises and 22 planning records — 13 approved of 21 decided (61.9%). 13 EPC records.
Premises (18 of 23 shown)
Name
Details
UPRN 202054758
UPRN 202054763
UPRN 202054764
UPRN 202054765
UPRN 202054766
UPRN 202054767
UPRN 202054768
UPRN 202054769
UPRN 202054770
UPRN 202054771
UPRN 202054758
UPRN 202054763
UPRN 202054764
Show all 10 rows
UPRN 202054765
UPRN 202054766
UPRN 202054767
UPRN 202054768
UPRN 202054769
UPRN 202054770
UPRN 202054771
Planning
What happened?
22 planning applications across the postcode; 13 approved of 21 decided (61.9%). Latest 22 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Proposed change of use from single-family dwellinghouse to 8-bedroom/10-person House in Multiple Occupation (HMO)
342 Preston Road, Harrow, HA3 0QJ · premises record
Full Planning Permission
Registered
2026-04-15
Proposed demolition of existing garage, and front porch and erection of front porch, part single part two-storey side to rear extension, roof alterations including 4x side dormers, 4x roof lights and 1x dormer to rear with juliet balcony, patio to rear and alterations to front rear and side fenestration and render finishes to dwellinghouse. (Revised Description)
350 Preston Road, Harrow, HA3 0QJ · premises record
Householder
Withdrawn
2026-01-13
Proposed two-storey side to rear extension to dwellinghouse
342 Preston Road, Harrow, HA3 0QJ · premises record
Householder
Approved
2025-09-08
Certificate of lawfulness for existing single storey outbuilding to rear of dwellinghouse.
350 Preston Road, Harrow, HA3 0QJ · premises record
Certificate of Lawfulness - Existing
Approved
2024-03-18
Proposed demolition of existing garage, and front porch and erection of front porch, part single part two-storey side to rear extension, addition of door to ground floor side elevation, roof alterations including 4x side dormers, 4x roof lights and 1x dormer to rear with juliet balcony, patio to rear and alterations to front rear and side fenestration and render finishes to dwellinghouse. (Revised Description)
350 Preston Road, Harrow, HA3 0QJ · premises record
Householder
Approved
2024-03-01
Demolition of existing garage, alteration to front porch, part single part two-storey side to rear extension, addition of door to ground floor side elevation, roof extension including 2x side dormers and 1x dormer to rear with juliet balcony, patio to rear and alterations to front rear and side fenestration and render finishes to dwellinghouse.
350 Preston Road, Harrow, HA3 0QJ · premises record
Householder
Refused
2023-12-06
Retention of existing outbuilding with proposed alterations to roof
356 Preston Road, Harrow, HA3 0QJ · premises record
Full Planning Permission
Approved
2023-05-02
Conversion of garage into habitable room with replacement of garage door with window and erection of single storey rear extension to dwellinghouse
358 Preston Road, Harrow, HA3 0QJ · premises record
Householder
Approved
2019-11-08
Proposed double storey side and rear extension to dwellinghouse
342 Preston Road, Harrow, HA3 0QJ · premises record
Householder
Approved
2019-09-04
Proposed single storey rear extension, conversion of garage to accommodate for the creation of a 11 person House of Multiple Occupancy in 6 bedrooms at first and second floor and the creation of a 3-bedroom flat at ground floor level to existing dwellinghouse
358 Preston Road, Harrow, HA3 0QJ · premises record
Full Planning Permission
Refused
2019-08-13
Proposed change of use from single-family dwellinghouse to 8-bedroom/10-person House in Multiple Occupation (HMO)
342 Preston Road, Harrow, HA3 0QJ · premises record
Registered
2026-04-15
More
Full Planning Permission
Proposed demolition of existing garage, and front porch and erection of front porch, part single part two-storey side to rear extension, roof alterations including 4x side dormers, 4x roof lights and 1x dormer to rear with juliet balcony, patio to rear and alterations to front rear and side fenestration and render finishes to dwellinghouse. (Revised Description)
350 Preston Road, Harrow, HA3 0QJ · premises record
Withdrawn
2026-01-13
More
Householder
Proposed two-storey side to rear extension to dwellinghouse
342 Preston Road, Harrow, HA3 0QJ · premises record
Approved
2025-09-08
More
Householder
Show all 10 rows
Certificate of lawfulness for existing single storey outbuilding to rear of dwellinghouse.
350 Preston Road, Harrow, HA3 0QJ · premises record
Approved
2024-03-18
More
Certificate of Lawfulness - Existing
Proposed demolition of existing garage, and front porch and erection of front porch, part single part two-storey side to rear extension, addition of door to ground floor side elevation, roof alterations including 4x side dormers, 4x roof lights and 1x dormer to rear with juliet balcony, patio to rear and alterations to front rear and side fenestration and render finishes to dwellinghouse. (Revised Description)
350 Preston Road, Harrow, HA3 0QJ · premises record
Approved
2024-03-01
More
Householder
Demolition of existing garage, alteration to front porch, part single part two-storey side to rear extension, addition of door to ground floor side elevation, roof extension including 2x side dormers and 1x dormer to rear with juliet balcony, patio to rear and alterations to front rear and side fenestration and render finishes to dwellinghouse.
350 Preston Road, Harrow, HA3 0QJ · premises record
Refused
2023-12-06
More
Householder
Retention of existing outbuilding with proposed alterations to roof
356 Preston Road, Harrow, HA3 0QJ · premises record
Approved
2023-05-02
More
Full Planning Permission
Conversion of garage into habitable room with replacement of garage door with window and erection of single storey rear extension to dwellinghouse
358 Preston Road, Harrow, HA3 0QJ · premises record
Approved
2019-11-08
More
Householder
Proposed double storey side and rear extension to dwellinghouse
342 Preston Road, Harrow, HA3 0QJ · premises record
Approved
2019-09-04
More
Householder
Proposed single storey rear extension, conversion of garage to accommodate for the creation of a 11 person House of Multiple Occupancy in 6 bedrooms at first and second floor and the creation of a 3-bedroom flat at ground floor level to existing dwellinghouse
358 Preston Road, Harrow, HA3 0QJ · premises record
Refused
2019-08-13
More
Full Planning Permission
Building control
Building-control records are not yet collected for Brent — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
Every mapped designation touching a premises in this postcode, with how many of its 23 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 for HMOs · reference A4D_HMO1 · covers 23 of 23 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 for HMOs · reference A4D_HMO1 · covers 23 of 23 premises. Some normally permitted changes may require planning permission.
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 22 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 applications
Applicant on 4 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 3 applications
Agent on 2 applications
Applicant on 4 applications
Applicant on 4 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 3 applications
Agent on 2 applications
Development
What could it become?
Planning precedent22 applications and 23 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 5, D: 5, E: 2, G: 1.
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.
12 intent signals recorded in this postcode
Repeat refusal · EPC F/G · Long hold · HMO licensed
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.