Postcode record · Harrow
HA1 3ET.
HA1 3ET has 54 known premises and 64 planning records — 42 approved of 53 decided (79.2%). 34 EPC records.
Postcode HA1 3ET · boundary not held, centred on the postcodeApprovedRefusedOther64 exact64 on the map — every match
At a glance · this postcodeHarrow profile →
54
Premises
known addresses (UPRNs)
64
Applications
53 decided
79.2%
Approval rate
42 approved · 11 refused
34
EPC records
ratings C 3 · D 21 · E 9 · G 1
64
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 3ET has 54 known premises and 64 planning records — 42 approved of 53 decided (79.2%). 34 EPC records.
Premises (18 of 54 shown)
Name
Details
UPRN 10010598390
UPRN 10070261834
UPRN 10070266182
UPRN 100021278544
UPRN 100021278545
UPRN 100021278546
UPRN 100021278547
UPRN 100021278548
UPRN 100021278549
UPRN 10010598390
UPRN 10070261834
Show all 10 rows
UPRN 10070266182
UPRN 100021278544
UPRN 100021278545
UPRN 100021278546
UPRN 100021278547
UPRN 100021278548
UPRN 100021278549
Planning
What happened?
64 planning applications across the postcode; 42 approved of 53 decided (79.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Replacement of first floor windows like for like in front and rear elevations; Restoration of bay window in ground floor front elevation
18 Nelson Road, Harrow, HA1 3ET · premises record
Householder
Pending Consideration
2026-05-01
Installation and replacement of two windows to front elevation; external alterations
40 Nelson Road, Harrow, HA1 3ET · premises record
Householder
Pending Consideration
2026-04-21
Replacement windows in front elevation
40 Nelson Road, Harrow, HA1 3ET · premises record
Householder
Withdrawn
2025-08-06
Single storey rear infill extension, External alterations
19A Nelson Road, Harrow, HA1 3ET · premises record
Householder
Approved
2025-03-26
Replacement roof light in rear roof slope, Replacement windows in first floor rear elevation
29 Nelson Road, Harrow, HA1 3ET · premises record
Householder
Approved
2025-03-21
Conversion of loft to habitable room, Rooflights in rear elevation, Replacement windows in first floor rear elevation
29 Nelson Road, Harrow, HA1 3ET · premises record
Householder
Withdrawn
2024-10-07
Installation and replacement of front, rear doors and two windows at rear on ground floor level (like for like)
18 Nelson Road, Harrow, HA1 3ET · premises record
Householder
Approved
2023-11-13
Installation and replacement of windows to rear; external alterations
28 Nelson Road, Harrow, HA1 3ET · premises record
Applicant Ms Mercedes Said · Officer Agnes Wanja
Householder
Approved
2023-05-29
G1 Lilac, Japanese Red Cedar ( rear garden, right-hand boundary of no.8): Reduce hedge height by 0.5 - 0.75m and trim remaining by 0.3m hard back possible without losing green foliage cover. Lift crown over decking area to 2m. Reduce lilac all over by removing 0.5m to suitable growth points and shap
8 Nelson Road, Harrow, HA1 3ET · premises record
Trees in a Conservation Area
Approved
2023-04-07
Installation and replacement of front door; external alterations
20A Nelson Road, Harrow, HA1 3ET · premises record
Applicant Adam Swersky · Officer Ben Greene
Householder
Approved
2023-01-19
Replacement of first floor windows like for like in front and rear elevations; Restoration of bay window in ground floor front elevation
18 Nelson Road, Harrow, HA1 3ET · premises record
Pending Consideration
2026-05-01
More
Householder
Installation and replacement of two windows to front elevation; external alterations
40 Nelson Road, Harrow, HA1 3ET · premises record
Pending Consideration
2026-04-21
More
Householder
Replacement windows in front elevation
40 Nelson Road, Harrow, HA1 3ET · premises record
Withdrawn
2025-08-06
More
Householder
Show all 10 rows
Single storey rear infill extension, External alterations
19A Nelson Road, Harrow, HA1 3ET · premises record
Approved
2025-03-26
More
Householder
Replacement roof light in rear roof slope, Replacement windows in first floor rear elevation
29 Nelson Road, Harrow, HA1 3ET · premises record
Approved
2025-03-21
More
Householder
Conversion of loft to habitable room, Rooflights in rear elevation, Replacement windows in first floor rear elevation
29 Nelson Road, Harrow, HA1 3ET · premises record
Withdrawn
2024-10-07
More
Householder
Installation and replacement of front, rear doors and two windows at rear on ground floor level (like for like)
18 Nelson Road, Harrow, HA1 3ET · premises record
Approved
2023-11-13
More
Householder
Installation and replacement of windows to rear; external alterations
28 Nelson Road, Harrow, HA1 3ET · premises record
Applicant Ms Mercedes Said · Officer Agnes Wanja
Approved
2023-05-29
More
Householder
G1 Lilac, Japanese Red Cedar ( rear garden, right-hand boundary of no.8): Reduce hedge height by 0.5 - 0.75m and trim remaining by 0.3m hard back possible without losing green foliage cover. Lift crown over decking area to 2m. Reduce lilac all over by removing 0.5m to suitable growth points and shap
8 Nelson Road, Harrow, HA1 3ET · premises record
Approved
2023-04-07
More
Trees in a Conservation Area
Installation and replacement of front door; external alterations
20A Nelson Road, Harrow, HA1 3ET · premises record
Applicant Adam Swersky · Officer Ben Greene
Approved
2023-01-19
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 54 premises each one covers.
Designation
Coverage
Conservation Area
Harrow on the Hill Village Conservation Area · reference COA00000964 · covers 54 of 54 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 54 of 54 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Harrow on the Hill Village Conservation Area · reference COA00000964 · covers 54 of 54 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 54 of 54 premises. Groundworks may require archaeological assessment or investigation.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
Nelson Road0 mBessborough Road0 mTrafalgar Terrace0 mFootpath 68 From Footpath 67 Rear Of Yew Walk To Footpath 69 By Western Boundary Of Cemetery13 mLower Road15 mWest Street15 mFootpath 69 From Footpath 70 Outside St Marys Church To Footpath 66 Junction Of Bessborough Road23 mWellington Terrace25 mWhitmore Road32 mFootpath 67 From A Point Meeting Footpath 66 To Side Of 69 West Street49 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 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 1 application
Applicant on 1 application
Applicant 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent64 applications and 64 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy34 EPC records; ratings C: 3, D: 21, E: 9, G: 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.
7 intent signals recorded in this postcode
Price decline · 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.