Planning Atlas
AtlasPostcodeHA13TL
Dev
Session
Tier
Postcode record · Harrow

HA1 3TL.

HA1 3TL has 22 known premises and 1 planning record — 1 approved of 1 decided (100%). 17 EPC records.

Postcode unitHarrowOS boundary
HarrowHA1 3TL
Postcode HA1 3TL · boundary not held, centred on the postcodeApprovedRefusedOther1 on the map — every match
At a glance · this postcodeHarrow profile →
22
Premises
known addresses (UPRNs)
1
Applications
1 decided
100%
Approval rate
1 approved · 0 refused
72 days
Median decision time
average 72 days · 1 dated decisions
17
EPC records
ratings C 7 · D 8 · E 2
1
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 3TL has 22 known premises and 1 planning record — 1 approved of 1 decided (100%). 17 EPC records.

Premises (18 of 22 shown)

Planning

What happened?

1 planning application across the postcode; 1 approved of 1 decided (100%). Latest 1 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
G1 Holly: Reduce height of stems growing towards the road (dead tops / ivy) by removing 2-3m pruning back to suitable growth points G1 Sycamore: Remove lowest branch growing over adj. substation G2 mixed species mainly GOat Willow, Sycamore, Holm Oak (alongside buildings, near emergency access road)
1 Elmfield Close, Harrow On The Hill, Harrow, HA1 3TL · premises record
Trees in a Conservation Area
Approved
2021-07-05
G1 Holly: Reduce height of stems growing towards the road (dead tops / ivy) by removing 2-3m pruning back to suitable growth points G1 Sycamore: Remove lowest branch growing over adj. substation G2 mixed species mainly GOat Willow, Sycamore, Holm Oak (alongside buildings, near emergency access road)
1 Elmfield Close, Harrow On The Hill, Harrow, HA1 3TL · premises record
Approved
2021-07-05
More
Trees in a Conservation Area

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 22 premises each one covers.

Designation
Coverage
Conservation Area
Sudbury Hill Conservation Area Harrow on the Hill · reference COA00000973 · covers 22 of 22 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Sudbury Hill Conservation Area Harrow on the Hill · reference COA00000973 · covers 22 of 22 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
People

Who is involved?

Named on the latest 1 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent1 applications and 1 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings C: 7, D: 8, E: 2.
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.

7 intent signals recorded in this postcode
Price decline · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
HA1 3TL, Harrow: planning and property history | Planning Atlas