Postcode record · Harrow
HA1 3DD.
HA1 3DD has 18 known premises and 8 planning records — 5 approved of 7 decided (71.4%). 11 EPC records.
Postcode HA1 3DD · boundary not held, centred on the postcodeApprovedRefusedOther8 exact8 on the map — every match
At a glance · this postcodeHarrow profile →
18
Premises
known addresses (UPRNs)
8
Applications
7 decided
71.4%
Approval rate
5 approved · 2 refused
11
EPC records
ratings D 4 · E 6 · F 1
8
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 3DD has 18 known premises and 8 planning records — 5 approved of 7 decided (71.4%). 11 EPC records.
Premises
Name
Details
UPRN 10070266085
UPRN 100021273677
UPRN 100021273678
UPRN 100021273679
UPRN 100021273680
UPRN 100021273681
UPRN 100021273682
UPRN 100021273683
UPRN 100021273684
UPRN 100021273685
UPRN 10070266085
UPRN 100021273677
UPRN 100021273678
Show all 10 rows
UPRN 100021273679
UPRN 100021273680
UPRN 100021273681
UPRN 100021273682
UPRN 100021273683
UPRN 100021273684
UPRN 100021273685
Planning
What happened?
8 planning applications across the postcode; 5 approved of 7 decided (71.4%). Latest 8 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of lawful development (proposed): Installation of two rooflights in front roofslope and one rooflight to rear roofslope
11 Kingsfield Road, Harrow, HA1 3DD · premises record
Certificate of Lawful Development Existing
Approved
2020-02-28
Single storey side to rear extension; oriel bay window at rear; rooflights in side and rear roofslopes
11 Kingsfield Road, Harrow, HA1 3DD · premises record
Householder
Approved
2019-09-05
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): INSTALLATION OF ONE ROOFLIGHT TO SIDE ROOFSLOPE AND ONE OVER REAR EXTENSION; NEW WINDOW IN REAR
10 Kingsfield Road, Harrow, HA1 3DD · premises record
Certificate of Lawful Development Existing
Approved
2015-05-26
SINGLE STOREY SIDE AND REAR EXTENSIONS; NEW BOUNDARY FENCE AT REAR (DEMOLITION OF EXISTING REAR EXTENSION)
13 Kingsfield Road, Harrow, HA1 3DD · premises record
Householder
Approved
2013-08-02
SINGLE STOREY SIDE TO REAR EXTENSION; REPLACEMENT 2M BOUNDARY WALL AND NEW SIDE GATE; DEMOLITION OF EXISTING SINGLE STOREY REAR EXTENSION
13 Kingsfield Road, Harrow, HA1 3DD · premises record
Householder
Refused
2013-02-25
Work to trees in a conservation area
14 Kingsfield Road, Harrow, HA1 3DD · premises record
Trees in a Conservation Area
Other
2012-09-05
ALTERATIONS TO ROOF AND REAR DORMER
1 Kingsfield Road, Harrow, HA1 3DD · premises record
Full Planning Application
Approved
2005-09-15
FIRST FLOOR REAR EXTENSION AND PITCHED ROOF OVER EXISTING SINGLE STOREY EXTENSION
10 Kingsfield Road, Harrow, HA1 3DD · premises record
Full Planning Application
Refused
1999-10-20
Certificate of lawful development (proposed): Installation of two rooflights in front roofslope and one rooflight to rear roofslope
11 Kingsfield Road, Harrow, HA1 3DD · premises record
Approved
2020-02-28
More
Certificate of Lawful Development Existing
Single storey side to rear extension; oriel bay window at rear; rooflights in side and rear roofslopes
11 Kingsfield Road, Harrow, HA1 3DD · premises record
Approved
2019-09-05
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): INSTALLATION OF ONE ROOFLIGHT TO SIDE ROOFSLOPE AND ONE OVER REAR EXTENSION; NEW WINDOW IN REAR
10 Kingsfield Road, Harrow, HA1 3DD · premises record
Approved
2015-05-26
More
Certificate of Lawful Development Existing
Show all 8 rows
SINGLE STOREY SIDE AND REAR EXTENSIONS; NEW BOUNDARY FENCE AT REAR (DEMOLITION OF EXISTING REAR EXTENSION)
13 Kingsfield Road, Harrow, HA1 3DD · premises record
Approved
2013-08-02
More
Householder
SINGLE STOREY SIDE TO REAR EXTENSION; REPLACEMENT 2M BOUNDARY WALL AND NEW SIDE GATE; DEMOLITION OF EXISTING SINGLE STOREY REAR EXTENSION
13 Kingsfield Road, Harrow, HA1 3DD · premises record
Refused
2013-02-25
More
Householder
Work to trees in a conservation area
14 Kingsfield Road, Harrow, HA1 3DD · premises record
Other
2012-09-05
More
Trees in a Conservation Area
ALTERATIONS TO ROOF AND REAR DORMER
1 Kingsfield Road, Harrow, HA1 3DD · premises record
Approved
2005-09-15
More
Full Planning Application
FIRST FLOOR REAR EXTENSION AND PITCHED ROOF OVER EXISTING SINGLE STOREY EXTENSION
10 Kingsfield Road, Harrow, HA1 3DD · premises record
Refused
1999-10-20
More
Full Planning Application
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 18 premises each one covers.
Designation
Coverage
Conservation Area
Roxborough Park and The Grove Conservation Area · reference COA00000972 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Roxborough Park and The Grove Conservation Area · reference COA00000972 · covers 18 of 18 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).
People
Who is involved?
Named on the latest 8 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 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent8 applications and 8 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings D: 4, E: 6, F: 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.
6 intent signals recorded in this postcode
Repeat sale · EPC F/G · Long hold
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.