Postcode record · Harrow
HA3 6ST.
HA3 6ST has 24 known premises and 55 planning records — 40 approved of 55 decided (72.7%). 11 EPC records.
Postcode HA3 6ST · boundary not held, centred on the postcodeApprovedRefusedOther56 on the map — every match
At a glance · this postcodeHarrow profile →
24
Premises
known addresses (UPRNs)
55
Applications
55 decided
72.7%
Approval rate
40 approved · 11 refused
11
EPC records
ratings B 1 · C 6 · D 2 · E 2
56
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 6ST has 24 known premises and 55 planning records — 40 approved of 55 decided (72.7%). 11 EPC records.
Premises (18 of 24 shown)
Name
Details
UPRN 10091092467
UPRN 10091092468
UPRN 100021252863
UPRN 100021252865
UPRN 100021252866
UPRN 100021252868
UPRN 100021252870
UPRN 100021252873
UPRN 100021252875
UPRN 100021252877
UPRN 10091092467
UPRN 10091092468
UPRN 100021252863
Show all 10 rows
UPRN 100021252865
UPRN 100021252866
UPRN 100021252868
UPRN 100021252870
UPRN 100021252873
UPRN 100021252875
UPRN 100021252877
Planning
What happened?
55 planning applications across the postcode; 40 approved of 55 decided (72.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Demolition of the existing dwelling; construction of a detached two storey dwelling with basement level and habitable roof space; hard and soft landscaping of the front garden; boundary treatment; bin storage
19 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Full Planning Application
Withdrawn
2025-12-29
Single storey rear extension, Alterations and extension to rear roof including two rear dormers, Roof lights in front and rear roof slopes, Single story detached outbuilding at rear for use as a gym, External alterations (Demolition of pergola at side and outbuildings at rear)
33 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Householder
Withdrawn
2024-12-01
Addition of first floor with habitable roof space and side dormers; external alterations
3 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Householder
Refused
2024-10-24
TPO 416 Bellfield Avenue (No.1) Harrow Weald A1 Lawson cypress (front): Tree is in direct conflict with corner of roof / brick pier. Outgrown location. Remove
27 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Works to Protected Trees
Approved
2024-03-05
T63 Willow (rear garden): Advanced basal decay. Remove G17 Oak x 2 (rear boundary): Reduce by up to 1m laterally and 2m in height, finished crown height and spread of 2m T68 Cypress (front): Reduce back from roof and guttering by 0.5m
45 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Works to Protected Trees
Approved
2022-11-15
T16 Willow (rear garden): Reduce Crown by 2-3m (where necessary) to contain in location
25 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Works to Protected Trees
Approved
2021-08-12
Single storey rear infill extension; external alterations
43 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Householder
Approved
2020-09-10
Details pursuant to conditions 6 (flood risk assessment), 7 (foundations) and 8 (tree protection plan) attached to planning permission P/4349/17 dated 21/09/2017 for single storey outbuilding in rear garden for use ancillary to main dwelling
3 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Prior Approval (Miscellaneous Acts)
Approved
2020-07-28
T82 Ash (rear garden, left-hand boundary): Crown Reduce back to previous points ( approximately 2.5m - 3m from height / spread)
37 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Applicant Mr Michael McConigley · Officer Rebecca Farrar
Works to Protected Trees
Approved
2020-02-04
First floor extension to create two storey dwelling incorporating hipped roof, single storey side and side to rear extensions; external alterations; demolition of detached garage and shed
9 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Householder
Approved
2019-11-11
Demolition of the existing dwelling; construction of a detached two storey dwelling with basement level and habitable roof space; hard and soft landscaping of the front garden; boundary treatment; bin storage
19 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Withdrawn
2025-12-29
More
Full Planning Application
Single storey rear extension, Alterations and extension to rear roof including two rear dormers, Roof lights in front and rear roof slopes, Single story detached outbuilding at rear for use as a gym, External alterations (Demolition of pergola at side and outbuildings at rear)
33 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Withdrawn
2024-12-01
More
Householder
Addition of first floor with habitable roof space and side dormers; external alterations
3 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Refused
2024-10-24
More
Householder
Show all 10 rows
TPO 416 Bellfield Avenue (No.1) Harrow Weald A1 Lawson cypress (front): Tree is in direct conflict with corner of roof / brick pier. Outgrown location. Remove
27 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Approved
2024-03-05
More
Works to Protected Trees
T63 Willow (rear garden): Advanced basal decay. Remove G17 Oak x 2 (rear boundary): Reduce by up to 1m laterally and 2m in height, finished crown height and spread of 2m T68 Cypress (front): Reduce back from roof and guttering by 0.5m
45 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Approved
2022-11-15
More
Works to Protected Trees
T16 Willow (rear garden): Reduce Crown by 2-3m (where necessary) to contain in location
25 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Approved
2021-08-12
More
Works to Protected Trees
Single storey rear infill extension; external alterations
43 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Approved
2020-09-10
More
Householder
Details pursuant to conditions 6 (flood risk assessment), 7 (foundations) and 8 (tree protection plan) attached to planning permission P/4349/17 dated 21/09/2017 for single storey outbuilding in rear garden for use ancillary to main dwelling
3 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Approved
2020-07-28
More
Prior Approval (Miscellaneous Acts)
T82 Ash (rear garden, left-hand boundary): Crown Reduce back to previous points ( approximately 2.5m - 3m from height / spread)
37 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Applicant Mr Michael McConigley · Officer Rebecca Farrar
Approved
2020-02-04
More
Works to Protected Trees
First floor extension to create two storey dwelling incorporating hipped roof, single storey side and side to rear extensions; external alterations; demolition of detached garage and shed
9 Bellfield Avenue, Harrow Weald, Harrow, HA3 6ST · premises record
Approved
2019-11-11
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?
Every mapped designation touching a premises in this postcode, with how many of its 24 premises each one covers.
Designation
Coverage
Conservation Area
West Drive Conservation Area · reference COA00000089 · covers 22 of 24 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
West Drive Conservation Area · reference COA00000089 · covers 22 of 24 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
Bellfield Avenue0 mByway 31 From Uxbridge Road To Footpath 320 mFootpath 30 From Junction Of Bridleway 28 And Footpath 29 To Uxbridge Road0 mHutton Gardens0 mHutton Walk0 mTemplars Drive0 mCarrington Square0 mUxbridge Road0 mFootpath 32 From Footpath 30 To Byway 31 Bellfield Avenue3 mWarburton Close5 m
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 5 applications
Applicant on 2 applications
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 5 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent55 applications and 56 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings B: 1, C: 6, D: 2, E: 2.
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.
3 intent signals recorded in this postcode
Application withdrawn · Long hold
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.