Planning Atlas
AtlasHarrowHA1 3BA
Postcode record · Harrow

HA1 3BA.

HA1 3BA has 56 known premises and 42 planning records — 22 approved of 32 decided (68.8%). 37 EPC records.

Postcode unitHarrowOS boundary
HarrowHA1 3BA
Postcode HA1 3BA · boundary not held, centred on the postcodeApprovedRefusedOther42 exact4 approximate46 on the map — every match
At a glance · this postcodeHarrow profile →
56
Premises
known addresses (UPRNs)
42
Applications
32 decided
68.8%
Approval rate
22 approved · 10 refused
37
EPC records
ratings C 21 · D 8 · E 7 · F 1
46
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 3BA has 56 known premises and 42 planning records — 22 approved of 32 decided (68.8%). 37 EPC records.

Premises (18 of 56 shown)

Planning

What happened?

42 planning applications across the postcode; 22 approved of 32 decided (68.8%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Replacement hard standing to front (Retrospective)
25 Roxborough Park, Harrow, HA1 3BA · premises record
Applicant Gray · Agent Gollings Architects · Officer Deborah Ewenla5
Householder
Pending Consideration
2026-03-05
Roxborough Park and The Grove Conservation Area Oak (garden): Reduce height by and spread by approximately 20-30% of branch length, focusing on overextended or encroaching branches. Remove any dead, diseased, or crossing branches. Pear: In decline, extensive dieback and poor vitality. Remove
27 Roxborough Park, Harrow, HA1 3BA · premises record
Trees in a Conservation Area
No objection
2025-11-05
Roxborough Park Conservation Area Corkscrew willow (garden): Reduce in height and width by about 3m
23 Roxborough Park, Harrow, HA1 3BA · premises record
Trees in a Conservation Area
No objection
2025-07-16
Roxborough Park and The Grove Conservation Area Yew (garden): Crown reduction of approximately 30% of the live canopy, following British Standard BS 3998:2010: Tree Work Recommendations. All cuts to be clean, moderate in size (≤ 50 mm), and made close to branch collars. The proposed reduction will r
29 Roxborough Park, Harrow, HA1 3BA · premises record
Trees in a Conservation Area
No objection
2025-07-15
TPO No.173 Whitehall Road (No.1) Harrow T1 Robinia (garden): Cut back to 2ft (approx. 1m) beyond previous reduction points (up to 30% max) to retain in constricted space
Flat 1, HALE LODGE, 51 Roxborough Park, Harrow, HA1 3BA · premises record
Applicant Mr David Lieveling · Agent Arbutus · Officer Rebecca Farrar
Works to Protected Trees
Approved
2025-02-07
Replacement windows and doors to front, side, and rear elevations
35 Roxborough Park, Harrow, HA1 3BA · premises record
Full Planning Application
Approved
2024-09-18
Alterations and repairs to the building fabric, Replacement windows and doors, Replacement steps on rear elevation, Demolish and replace first floor rear dormer, Installation of PV panels on rear roof slopes and dormer roofs, Installation of ventilation and exhaust grills on rear elevation, Energy e
27 Roxborough Park, Harrow, HA1 3BA · premises record
Householder
Approved
2024-08-16
1 x Apple to remove 2 major dead limbs. To reduce by around 3.5m in height and width. This pruning is designed to shock the tree and produce an abundance of water shoots that can then be selectively pruned to create a better frame work in the future. 1 x Cherry plum to reduce by 3m in height and 1.5
25 Roxborough Park, Harrow, HA1 3BA · premises record
Trees in a Conservation Area
Approved
2021-06-18
Part demolition of front wall
51A Roxborough Park, Harrow · premises record
Full Planning Application
Refused
2021-01-22
2 x Oak (rear garden):Crown Reduce by 2m height & width and remove major deadwood Japanese Maple (rear): Fell Contorted Willow (rear): Reduce by 3.5m height & 1.5m width.
23 Roxborough Park, Harrow, HA1 3BA · premises record
Trees in a Conservation Area
Approved
2020-10-05
Replacement hard standing to front (Retrospective)
25 Roxborough Park, Harrow, HA1 3BA · premises record
Applicant Gray · Agent Gollings Architects · Officer Deborah Ewenla5
Pending Consideration
2026-03-05
More
Householder
Roxborough Park and The Grove Conservation Area Oak (garden): Reduce height by and spread by approximately 20-30% of branch length, focusing on overextended or encroaching branches. Remove any dead, diseased, or crossing branches. Pear: In decline, extensive dieback and poor vitality. Remove
27 Roxborough Park, Harrow, HA1 3BA · premises record
No objection
2025-11-05
More
Trees in a Conservation Area
Roxborough Park Conservation Area Corkscrew willow (garden): Reduce in height and width by about 3m
23 Roxborough Park, Harrow, HA1 3BA · premises record
No objection
2025-07-16
More
Trees in a Conservation Area
Show all 10 rows
Roxborough Park and The Grove Conservation Area Yew (garden): Crown reduction of approximately 30% of the live canopy, following British Standard BS 3998:2010: Tree Work Recommendations. All cuts to be clean, moderate in size (≤ 50 mm), and made close to branch collars. The proposed reduction will r
29 Roxborough Park, Harrow, HA1 3BA · premises record
No objection
2025-07-15
More
Trees in a Conservation Area
TPO No.173 Whitehall Road (No.1) Harrow T1 Robinia (garden): Cut back to 2ft (approx. 1m) beyond previous reduction points (up to 30% max) to retain in constricted space
Flat 1, HALE LODGE, 51 Roxborough Park, Harrow, HA1 3BA · premises record
Applicant Mr David Lieveling · Agent Arbutus · Officer Rebecca Farrar
Approved
2025-02-07
More
Works to Protected Trees
Replacement windows and doors to front, side, and rear elevations
35 Roxborough Park, Harrow, HA1 3BA · premises record
Approved
2024-09-18
More
Full Planning Application
Alterations and repairs to the building fabric, Replacement windows and doors, Replacement steps on rear elevation, Demolish and replace first floor rear dormer, Installation of PV panels on rear roof slopes and dormer roofs, Installation of ventilation and exhaust grills on rear elevation, Energy e
27 Roxborough Park, Harrow, HA1 3BA · premises record
Approved
2024-08-16
More
Householder
1 x Apple to remove 2 major dead limbs. To reduce by around 3.5m in height and width. This pruning is designed to shock the tree and produce an abundance of water shoots that can then be selectively pruned to create a better frame work in the future. 1 x Cherry plum to reduce by 3m in height and 1.5
25 Roxborough Park, Harrow, HA1 3BA · premises record
Approved
2021-06-18
More
Trees in a Conservation Area
Part demolition of front wall
51A Roxborough Park, Harrow · premises record
Refused
2021-01-22
More
Full Planning Application
2 x Oak (rear garden):Crown Reduce by 2m height & width and remove major deadwood Japanese Maple (rear): Fell Contorted Willow (rear): Reduce by 3.5m height & 1.5m width.
23 Roxborough Park, Harrow, HA1 3BA · premises record
Approved
2020-10-05
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 56 premises each one covers.

Designation
Coverage
Conservation Area
Roxborough Park and The Grove Conservation Area · reference COA00000972 · covers 36 of 56 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Roxborough Park and The Grove Conservation Area · reference COA00000972 · covers 36 of 56 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
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 3 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 3 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 precedent42 applications and 46 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy37 EPC records; ratings C: 21, D: 8, E: 7, 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

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.

4 intent signals recorded in this postcode
EPC F/G · 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 3BA, Harrow: Planning and Property History | Planning Atlas