Planning Atlas
AtlasPostcodeHA13EU
Dev
Session
Tier
Postcode record · Harrow

HA1 3EU.

HA1 3EU has 13 known premises and 9 planning records — 5 approved of 8 decided (62.5%). 8 EPC records.

Postcode unitHarrowOS boundary
HarrowHA1 3EU
Postcode HA1 3EU · boundary not held, centred on the postcodeApprovedRefusedOther9 on the map — every match
At a glance · this postcodeHarrow profile →
13
Premises
known addresses (UPRNs)
9
Applications
8 decided
62.5%
Approval rate
5 approved · 3 refused
8
EPC records
ratings C 1 · D 4 · E 3
9
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 3EU has 13 known premises and 9 planning records — 5 approved of 8 decided (62.5%). 8 EPC records.

Premises

Planning

What happened?

9 planning applications across the postcode; 5 approved of 8 decided (62.5%). Latest 9 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension; installation of rooflights to front and rear roofslopes; installation of fence to rear boundary
8 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Householder
Refused
2026-01-27
REPLACEMENT OF EXISTING ROOF TILES (RETROSPECTIVE)
6 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Householder
Approved
2013-05-21
DETAILS PURSUANT TO CONDITION 2 (WINDOWS), ATTACHED TO PLANNING PERMISSION P/1548/11 DATED 21/09/2011 FOR 'DEMOLITION OF EXISTING REAR EXTENSION & CONSTRUCTION OF TWO STOREY REAR EXTENSION; REPLACEMENT WINDOWS TO ALL ELEVATIONS'
8 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Prior Approval (Miscellaneous Acts)
Approved
2011-10-24
DEMOLITION OF EXISTING REAR EXTENSION & CONSTRUCTION OF TWO STOREY REAR EXTENSION; REPLACEMENT WINDOWS TO ALL ELEVATIONS
8 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Householder
Approved
2011-06-14
INVALID - Double storey rear extension
8 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Householder
Withdrawn
2011-03-31
REAR DORMER
3 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Full Planning Application
Refused
2007-09-28
CERTIFICATE OF LAWFUL PROPOSED DEVELOPMENT: LOFT CONVERSION INCORPORATING REAR DORMER
3 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Officer Lucy Haile
Certificate of Lawful Development Existing
Refused
2007-08-13
REPLACEMENT DOOR AT SIDE
1 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Full Planning Application
Approved
2006-01-18
FIRST FLOOR REAR EXTENSION
3 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Full Planning Application
Approved
2001-11-16
Single storey rear extension; installation of rooflights to front and rear roofslopes; installation of fence to rear boundary
8 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Refused
2026-01-27
More
Householder
REPLACEMENT OF EXISTING ROOF TILES (RETROSPECTIVE)
6 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Approved
2013-05-21
More
Householder
DETAILS PURSUANT TO CONDITION 2 (WINDOWS), ATTACHED TO PLANNING PERMISSION P/1548/11 DATED 21/09/2011 FOR 'DEMOLITION OF EXISTING REAR EXTENSION & CONSTRUCTION OF TWO STOREY REAR EXTENSION; REPLACEMENT WINDOWS TO ALL ELEVATIONS'
8 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Approved
2011-10-24
More
Prior Approval (Miscellaneous Acts)
Show all 9 rows
DEMOLITION OF EXISTING REAR EXTENSION & CONSTRUCTION OF TWO STOREY REAR EXTENSION; REPLACEMENT WINDOWS TO ALL ELEVATIONS
8 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Approved
2011-06-14
More
Householder
INVALID - Double storey rear extension
8 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Withdrawn
2011-03-31
More
Householder
REAR DORMER
3 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Refused
2007-09-28
More
Full Planning Application
CERTIFICATE OF LAWFUL PROPOSED DEVELOPMENT: LOFT CONVERSION INCORPORATING REAR DORMER
3 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Officer Lucy Haile
Refused
2007-08-13
More
Certificate of Lawful Development Existing
REPLACEMENT DOOR AT SIDE
1 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Approved
2006-01-18
More
Full Planning Application
FIRST FLOOR REAR EXTENSION
3 Trafalgar Terrace, Harrow On The Hill, Harrow, HA1 3EU · premises record
Approved
2001-11-16
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 13 premises each one covers.

Designation
Coverage
Archaeological Priority Area
(core area of Harrow on the Hill) · reference 77649 · covers 13 of 13 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Harrow on the Hill Village Conservation Area · reference COA00000964 · covers 11 of 13 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Roxborough Park and The Grove Conservation Area · reference COA00000972 · covers 2 of 13 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
(core area of Harrow on the Hill) · reference 77649 · covers 13 of 13 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Harrow on the Hill Village Conservation Area · reference COA00000964 · covers 11 of 13 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Roxborough Park and The Grove Conservation Area · reference COA00000972 · covers 2 of 13 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
People

Who is involved?

Named on the latest 9 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Show all 8 rows
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent9 applications and 9 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 1, D: 4, E: 3.
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 Pro

Ownership, 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.

Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
HA1 3EU, Harrow: planning and property history | Planning Atlas