Postcode record · Harrow
HA1 4BX.
HA1 4BX has 11 known premises and 7 planning records — 5 approved of 6 decided (83.3%). 5 EPC records.
Postcode HA1 4BX · boundary not held, centred on the postcodeApprovedRefusedOther7 exact7 approximate14 on the map — every match
At a glance · this postcodeHarrow profile →
11
Premises
known addresses (UPRNs)
7
Applications
6 decided
83.3%
Approval rate
5 approved · 1 refused
5
EPC records
ratings C 2 · D 2 · E 1
14
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?
HA1 4BX has 11 known premises and 7 planning records — 5 approved of 6 decided (83.3%). 5 EPC records.
Premises
Name
Details
UPRN 10094045360
UPRN 10094045361
UPRN 100021289154
UPRN 100021289156
UPRN 100021289158
UPRN 100021289160
UPRN 100021289162
UPRN 100021289164
UPRN 100021289167
UPRN 100023029191
UPRN 10094045360
UPRN 10094045361
UPRN 100021289154
Show all 10 rows
UPRN 100021289156
UPRN 100021289158
UPRN 100021289160
UPRN 100021289162
UPRN 100021289164
UPRN 100021289167
UPRN 100023029191
Planning
What happened?
7 planning applications across the postcode; 5 approved of 6 decided (83.3%). Latest 7 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of lawful development (proposed): Single storey rear extension
23 Sumner Road, West Harrow, Harrow, HA1 4BX · premises record
Certificate of Lawful Development Proposed
Approved
2023-12-20
Alterations to roof to form end gable; rear dormer; window in end gable; rooflight in front roofslope; two storey side extension; external alterations
35 Sumner Road, West Harrow, Harrow, HA1 4BX · premises record
Householder
Approved
2019-05-21
Details pursuant to Condition 3 (Revised Landscaping) attached to planning permission P/1576/18 dated 19.6.18 for Conversion of dwellinghouse to two flats; amenity space; landscaping; bin / cycle storage
33 Sumner Road, West Harrow, Harrow · premises record
Prior Approval (Miscellaneous Acts)
Approved
2018-07-25
Conversion of dwellinghouse to two flats; amenity space; landscaping; bin / cycle storage
33 Sumner Road, West Harrow, Harrow · premises record
Full Planning Application
Approved
2018-04-12
Conversion of dwellinghouse to two flats
33 Sumner Road, West Harrow, Harrow · premises record
Full Planning Application
Refused
2017-10-27
Conversion of dwellinghouse to two flats
33 Sumner Road, West Harrow, Harrow · premises record
Full Planning Application
Withdrawn
2017-05-22
CERTIFICATE OF LAWFUL PROPOSED DEVELOPMENT: LOFT CONVERSION INCORPORATING REAR DORMER ROOF EXTENSION
23 Sumner Road, West Harrow, Harrow, HA1 4BX · premises record
Certificate of Lawful Development Existing
Approved
2005-03-08
Certificate of lawful development (proposed): Single storey rear extension
23 Sumner Road, West Harrow, Harrow, HA1 4BX · premises record
Approved
2023-12-20
More
Certificate of Lawful Development Proposed
Alterations to roof to form end gable; rear dormer; window in end gable; rooflight in front roofslope; two storey side extension; external alterations
35 Sumner Road, West Harrow, Harrow, HA1 4BX · premises record
Approved
2019-05-21
More
Householder
Details pursuant to Condition 3 (Revised Landscaping) attached to planning permission P/1576/18 dated 19.6.18 for Conversion of dwellinghouse to two flats; amenity space; landscaping; bin / cycle storage
33 Sumner Road, West Harrow, Harrow · premises record
Approved
2018-07-25
More
Prior Approval (Miscellaneous Acts)
Show all 7 rows
Conversion of dwellinghouse to two flats; amenity space; landscaping; bin / cycle storage
33 Sumner Road, West Harrow, Harrow · premises record
Approved
2018-04-12
More
Full Planning Application
Conversion of dwellinghouse to two flats
33 Sumner Road, West Harrow, Harrow · premises record
Refused
2017-10-27
More
Full Planning Application
Conversion of dwellinghouse to two flats
33 Sumner Road, West Harrow, Harrow · premises record
Withdrawn
2017-05-22
More
Full Planning Application
CERTIFICATE OF LAWFUL PROPOSED DEVELOPMENT: LOFT CONVERSION INCORPORATING REAR DORMER ROOF EXTENSION
23 Sumner Road, West Harrow, Harrow, HA1 4BX · premises record
Approved
2005-03-08
More
Certificate of Lawful Development Existing
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 7 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Applicant on 4 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent7 applications and 14 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy5 EPC records; ratings C: 2, D: 2, E: 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
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.
No intent signal is currently recorded in this postcode.
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.