Postcode record · Brent
HA3 9QZ.
HA3 9QZ has 44 known premises and 75 planning records — 40 approved of 74 decided (54.1%). 19 EPC records.
Postcode HA3 9QZ · boundary not held, centred on the postcodeApprovedRefusedOther75 exact75 on the map — every match
At a glance · this postcodeBrent profile →
44
Premises
known addresses (UPRNs)
75
Applications
74 decided
54.1%
Approval rate
40 approved · 23 refused
19
EPC records
ratings C 5 · D 10 · E 4
75
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 9QZ has 44 known premises and 75 planning records — 40 approved of 74 decided (54.1%). 19 EPC records.
Premises (18 of 44 shown)
Name
Details
UPRN 202117879
UPRN 202117880
UPRN 202117881
UPRN 202117882
UPRN 202117883
UPRN 202117884
UPRN 202117885
UPRN 202117886
UPRN 202117887
UPRN 202117888
UPRN 202117879
UPRN 202117880
UPRN 202117881
Show all 10 rows
UPRN 202117882
UPRN 202117883
UPRN 202117884
UPRN 202117885
UPRN 202117886
UPRN 202117887
UPRN 202117888
Planning
What happened?
75 planning applications across the postcode; 40 approved of 74 decided (54.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Demolition of side garage and proposed single storey side to rear extension and front porch extension to the dwellinghouse.
14 Chantry Close, Harrow, HA3 9QZ · premises record
Householder
Registered
2026-05-26
Proposed hip to gable-end roof extension, 1x rear dormer and 2x front rooflights to dwellinghouse
25 Chantry Close, Harrow, HA3 9QZ · premises record
Householder
Refused
2024-10-10
Certificate of lawfulness for proposed hip to gable-end roof extensions, rear dormer, 3x front rooflights, 1x rear rooflight and 1x upper-floor side window to dwellinghouse
25 Chantry Close, Harrow, HA3 9QZ · premises record
Applicant Mr Bhooshan Mamtora · Officer Jasmin Tailor
Certificate of Lawfulness - Proposed
Refused
2024-03-05
Demolition of garage and erection of two-storey side extension, part-single and part-two storey rear extension, hip to gable-end roof extension, rear dormer with 2x front rooflights for proposed conversion of dwellinghouse into 2x self-contained flats with associated landscaping, off-street parking, cycle storage and refuse storage (amended description)
27 Chantry Close, Harrow, HA3 9QZ · premises record
Full Planning Permission
Approved
2023-09-14
Proposed single storey rear extension with a raised patio, hip to gable roof extension along with a gable end hipped roof over existing two storey side extension, rear dormer window, 1 rear and 3 front rooflights and blocking up of ground floor side door with a window to dwellinghouse
21 Chantry Close, Harrow, HA3 9QZ · premises record
Householder
Approved
2023-07-10
Part demolition of existing side extension, removal of chimney stack; erection of part single storey, part two storey side to rear extension, hip to gable loft conversion, rear dormer window and three front rooflights to dwellinghouse
17 Chantry Close, Harrow, HA3 9QZ · premises record
Householder
Approved
2022-05-23
Proposed conversion of garage into a habitable room including replacement of garage door to a window to dwellinghouse
39 Chantry Close, Harrow, HA3 9QZ · premises record
Householder
Approved
2021-08-19
Conversion of garage into habitable room and single-storey side infill extension to dwellinghouse
36 Chantry Close, Harrow, HA3 9QZ · premises record
Householder
Approved
2021-07-14
Conversion of dwellinghouse into 2 dwellinghouses and works to include loft conversion with two rear dormer windows, 3 front and 1 rear rooflights, a single storey rear extension, replacement of 2 sheds in rear garden with cycle parking, subdivision of the garden and associated hard and soft landscaping
35 Chantry Close, Harrow, HA3 9QZ · premises record
Full Planning Permission
Approved
2021-06-21
Certificate of lawfulness for proposed front porch to the dwellinghouse.
19 Chantry Close, Harrow, HA3 9QZ · premises record
Certificate of Lawfulness - Proposed
Approved
2021-06-07
Demolition of side garage and proposed single storey side to rear extension and front porch extension to the dwellinghouse.
14 Chantry Close, Harrow, HA3 9QZ · premises record
Registered
2026-05-26
More
Householder
Proposed hip to gable-end roof extension, 1x rear dormer and 2x front rooflights to dwellinghouse
25 Chantry Close, Harrow, HA3 9QZ · premises record
Refused
2024-10-10
More
Householder
Certificate of lawfulness for proposed hip to gable-end roof extensions, rear dormer, 3x front rooflights, 1x rear rooflight and 1x upper-floor side window to dwellinghouse
25 Chantry Close, Harrow, HA3 9QZ · premises record
Applicant Mr Bhooshan Mamtora · Officer Jasmin Tailor
Refused
2024-03-05
More
Certificate of Lawfulness - Proposed
Show all 10 rows
Demolition of garage and erection of two-storey side extension, part-single and part-two storey rear extension, hip to gable-end roof extension, rear dormer with 2x front rooflights for proposed conversion of dwellinghouse into 2x self-contained flats with associated landscaping, off-street parking, cycle storage and refuse storage (amended description)
27 Chantry Close, Harrow, HA3 9QZ · premises record
Approved
2023-09-14
More
Full Planning Permission
Proposed single storey rear extension with a raised patio, hip to gable roof extension along with a gable end hipped roof over existing two storey side extension, rear dormer window, 1 rear and 3 front rooflights and blocking up of ground floor side door with a window to dwellinghouse
21 Chantry Close, Harrow, HA3 9QZ · premises record
Approved
2023-07-10
More
Householder
Part demolition of existing side extension, removal of chimney stack; erection of part single storey, part two storey side to rear extension, hip to gable loft conversion, rear dormer window and three front rooflights to dwellinghouse
17 Chantry Close, Harrow, HA3 9QZ · premises record
Approved
2022-05-23
More
Householder
Proposed conversion of garage into a habitable room including replacement of garage door to a window to dwellinghouse
39 Chantry Close, Harrow, HA3 9QZ · premises record
Approved
2021-08-19
More
Householder
Conversion of garage into habitable room and single-storey side infill extension to dwellinghouse
36 Chantry Close, Harrow, HA3 9QZ · premises record
Approved
2021-07-14
More
Householder
Conversion of dwellinghouse into 2 dwellinghouses and works to include loft conversion with two rear dormer windows, 3 front and 1 rear rooflights, a single storey rear extension, replacement of 2 sheds in rear garden with cycle parking, subdivision of the garden and associated hard and soft landscaping
35 Chantry Close, Harrow, HA3 9QZ · premises record
Approved
2021-06-21
More
Full Planning Permission
Certificate of lawfulness for proposed front porch to the dwellinghouse.
19 Chantry Close, Harrow, HA3 9QZ · premises record
Approved
2021-06-07
More
Certificate of Lawfulness - Proposed
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 44 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 for HMOs · reference A4D_HMO1 · covers 44 of 44 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 for HMOs · reference A4D_HMO1 · covers 44 of 44 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 30 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent75 applications and 75 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 5, D: 10, 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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
15 intent signals recorded in this postcode
Repeat refusal · Lapsed consent · Long hold · HMO licensed
Subscribe to see the signals →Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.