Postcode record · Brent
HA3 9SN.
HA3 9SN has 9 known premises and 15 planning records — 8 approved of 15 decided (53.3%). 5 EPC records.
Postcode HA3 9SN · boundary not held, centred on the postcodeApprovedRefusedOther15 exact15 on the map — every match
At a glance · this postcodeBrent profile →
9
Premises
known addresses (UPRNs)
15
Applications
15 decided
53.3%
Approval rate
8 approved · 5 refused
5
EPC records
ratings C 1 · D 4
15
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 9SN has 9 known premises and 15 planning records — 8 approved of 15 decided (53.3%). 5 EPC records.
Premises
Name
Details
UPRN 202057195
UPRN 202057197
UPRN 202057199
UPRN 202057201
UPRN 202057203
UPRN 202057205
UPRN 202057207
UPRN 202209615
UPRN 202212048
UPRN 202057195
UPRN 202057197
UPRN 202057199
Show all 9 rows
UPRN 202057201
UPRN 202057203
UPRN 202057205
UPRN 202057207
UPRN 202209615
UPRN 202212048
Planning
What happened?
15 planning applications across the postcode; 8 approved of 15 decided (53.3%). Latest 15 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Proposed conversion of Doctors Surgery/Clinic into 4x self contained flats, alteration to front, side and rear fenestrations, 2x rear balconies with railing and privacy screen, rear decking with steps and railing, installation of 1x new front rooflight, 2x side and 4 rear rooflights, cycle and refuse storage to front and associated landscaping to front and rear
121 Preston Hill, Harrow, HA3 9SN · premises record
Full Planning Permission
Refused
2025-12-03
Demolition of rear garage and storage and erection of single storey side to rear extension to the dwellinghouse .
127 Preston Hill, Harrow, HA3 9SN · premises record
Householder
Approved
2025-06-25
Demolition of the existing conservatory and erection of a single storey side to rear extension with additional lean to, erection of a front porch enclosure, replacement of windows, and associated soft and hard landscaping to dwellinghouse.
123 Preston Hill, Harrow, HA3 9SN · premises record
Officer Deepa Mistry
Full Planning Permission
Approved
2017-02-27
Proposed single storey side extension
117 Preston Hill, Harrow, HA3 9SN · premises record
Officer Nicola Blake
Householder
Approved
2016-10-27
Certificate of lawfulness for proposed single storey rear extension to dwellinghouse.
129 Preston Hill, Harrow, HA3 9SN · premises record
Officer Sukhdeep Jhooti
Certificate of Lawfulness - Proposed
Refused
2014-10-03
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.27m Maximum height - 3m Eaves height - 2.8m
129 Preston Hill, Harrow, HA3 9SN · premises record
Officer Jonathan Gauntlett
Prior Approval - houses
Not required
2014-08-08
Demolition of detached garage and erection of a detached bungalow with one street parking space, and construction of new vehicular access and provision of 2 car parking spaces for No. 117 Preston Hill (revised description) and subject to Unilateral Agreement dated 27th June 2013
117 Preston Hill, Harrow, HA3 9SN · premises record
Officer Victoria McDonagh
Full Planning Permission
Approved
2013-05-03
Erection of single storey front extension and alterations to existing disabled front access ramp to facilitate separate entrance to first floor flat and doctors' surgery.
121 Preston Hill, Harrow, HA3 9SN · premises record
Officer Laura Jenkinson
Full Planning Permission
Approved
2013-01-17
Demolition of existing two bungalows and erection of six x four-bedroom two-storey detached dwellinghouses with accommodation in the roof and associated changes to existing two vehicular crossovers, new access road, twelve off-street parking spaces and hard and soft landscaping accompanied by Design & Access Statement and completed Brent Sustainable Development Checklist
123 & 125 Preston Hill, Harrow, HA3 9SN · premises record
Full Planning Permission
Refused
2011-11-14
Demolition of 2 existing bungalows and erection 8 new two-storey dwellinghouses with associated off-street parking and private amenity space
123 & 125 Preston Hill, Harrow, HA3 9SN · premises record
Officer Victoria McDonagh
Full Planning Permission
Withdrawn
2011-04-18
Proposed conversion of Doctors Surgery/Clinic into 4x self contained flats, alteration to front, side and rear fenestrations, 2x rear balconies with railing and privacy screen, rear decking with steps and railing, installation of 1x new front rooflight, 2x side and 4 rear rooflights, cycle and refuse storage to front and associated landscaping to front and rear
121 Preston Hill, Harrow, HA3 9SN · premises record
Refused
2025-12-03
More
Full Planning Permission
Demolition of rear garage and storage and erection of single storey side to rear extension to the dwellinghouse .
127 Preston Hill, Harrow, HA3 9SN · premises record
Approved
2025-06-25
More
Householder
Demolition of the existing conservatory and erection of a single storey side to rear extension with additional lean to, erection of a front porch enclosure, replacement of windows, and associated soft and hard landscaping to dwellinghouse.
123 Preston Hill, Harrow, HA3 9SN · premises record
Officer Deepa Mistry
Approved
2017-02-27
More
Full Planning Permission
Show all 10 rows
Proposed single storey side extension
117 Preston Hill, Harrow, HA3 9SN · premises record
Officer Nicola Blake
Approved
2016-10-27
More
Householder
Certificate of lawfulness for proposed single storey rear extension to dwellinghouse.
129 Preston Hill, Harrow, HA3 9SN · premises record
Officer Sukhdeep Jhooti
Refused
2014-10-03
More
Certificate of Lawfulness - Proposed
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.27m Maximum height - 3m Eaves height - 2.8m
129 Preston Hill, Harrow, HA3 9SN · premises record
Officer Jonathan Gauntlett
Not required
2014-08-08
More
Prior Approval - houses
Demolition of detached garage and erection of a detached bungalow with one street parking space, and construction of new vehicular access and provision of 2 car parking spaces for No. 117 Preston Hill (revised description) and subject to Unilateral Agreement dated 27th June 2013
117 Preston Hill, Harrow, HA3 9SN · premises record
Officer Victoria McDonagh
Approved
2013-05-03
More
Full Planning Permission
Erection of single storey front extension and alterations to existing disabled front access ramp to facilitate separate entrance to first floor flat and doctors' surgery.
121 Preston Hill, Harrow, HA3 9SN · premises record
Officer Laura Jenkinson
Approved
2013-01-17
More
Full Planning Permission
Demolition of existing two bungalows and erection of six x four-bedroom two-storey detached dwellinghouses with accommodation in the roof and associated changes to existing two vehicular crossovers, new access road, twelve off-street parking spaces and hard and soft landscaping accompanied by Design & Access Statement and completed Brent Sustainable Development Checklist
123 & 125 Preston Hill, Harrow, HA3 9SN · premises record
Refused
2011-11-14
More
Full Planning Permission
Demolition of 2 existing bungalows and erection 8 new two-storey dwellinghouses with associated off-street parking and private amenity space
123 & 125 Preston Hill, Harrow, HA3 9SN · premises record
Officer Victoria McDonagh
Withdrawn
2011-04-18
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 9 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 for HMOs · reference A4D_HMO1 · covers 9 of 9 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 for HMOs · reference A4D_HMO1 · covers 9 of 9 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 15 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent15 applications and 15 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy5 EPC records; ratings C: 1, D: 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
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.
2 intent signals recorded in this postcode
Beatable refusal · 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.