Planning Atlas
AtlasPostcodeHA54TT
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Session
Tier
Postcode record · Harrow

HA5 4TT.

HA5 4TT has 26 known premises and 37 planning records — 28 approved of 35 decided (80%). 10 EPC records.

Postcode unitHarrowOS boundary
HarrowHA5 4TT
Postcode HA5 4TT · boundary not held, centred on the postcodeApprovedRefusedOther37 on the map — every match
At a glance · this postcodeHarrow profile →
26
Premises
known addresses (UPRNs)
37
Applications
35 decided
80%
Approval rate
28 approved · 7 refused
10
EPC records
ratings B 1 · D 5 · E 3 · F 1
37
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?

HA5 4TT has 26 known premises and 37 planning records — 28 approved of 35 decided (80%). 10 EPC records.

Premises (18 of 26 shown)

Planning

What happened?

37 planning applications across the postcode; 28 approved of 35 decided (80%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Single-storey infill rear extension, detached single-storey gazebo to the rear, external alterations (demolition of the roof of the existing rear extension, infill rear extension, reconstruction of the roof to match the existing, and outbuilding). Replacement of the garage gate and the lateral gate.
64 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Householder
Approved
2025-10-01
Certificate of Lawful Proposed Development: Detached outbuilding at rear for use as Storage/Workshop and Office/Gym
80 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Certificate of Lawful Development Proposed
Approved
2024-06-21
Installation and replacement of windows to front and rear elevations (like for like); installation and replacement of front door (like for like); external alterations; outbuilding at rear for use as study
44 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Mrs Breda Roche · Agent Mr Sam Bennett · Officer HAP Hayden Parker
Householder
Approved
2022-08-09
T1 - LEYLANDII - FELL T2 - LEYLANDII - FELL T3 - PEAR - FELL T4 - MALLUS - FELL
44 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Roche · Agent Haywards Mowing · Officer Rebecca Farrar
Trees in a Conservation Area
Approved
2022-03-03
Single storey rear extension; conversion of garage to habitable room; rooflight in rear roofslope; external alterations
44 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Mrs Breda Roche · Agent Mr Sam Bennett · Officer MOR Morgan Roberts
Householder
Approved
2022-01-28
The Cherry Blossom at the front garden of 46 Marsworth Avenue HA5 4TT is dead. I am applying for the permission to cut back or remove the dead tree. I am providing the photo of the dead tree.
46 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Mrs Nasrin Benn · Officer Rebecca Farrar
Trees in a Conservation Area
Approved
2021-09-13
Front Porch; single storey side extension; pitched roof over existing single storey rear extension; external alterations; (demolition of garage)
84 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Householder
Approved
2021-06-01
Single Storey Rear Extension: 6.00 metres deep, 2.76 metres maximum height, 2.74 metres high to the eaves
86 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Mrs Siddiqui · Agent Designlabs London · Officer MOR Morgan Roberts
Prior Notification - Larger Home Extension
Not required
2020-02-24
Replacement of windows with new painted timber windows.
50 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Paige & Petrook · Agent F J Thompson & Co · Officer BSC Ben Schnell
Householder
Approved
2018-11-13
Single storey front extension; single and two storey side extension; two storey/first floor rear extension; rear dormer; external alterations (demolition of garage and side extension) AMENDED DESCRIPTION TO INCLUDE DORMER
76 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Householder
Approved
2018-04-16
Single-storey infill rear extension, detached single-storey gazebo to the rear, external alterations (demolition of the roof of the existing rear extension, infill rear extension, reconstruction of the roof to match the existing, and outbuilding). Replacement of the garage gate and the lateral gate.
64 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Approved
2025-10-01
More
Householder
Certificate of Lawful Proposed Development: Detached outbuilding at rear for use as Storage/Workshop and Office/Gym
80 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Approved
2024-06-21
More
Certificate of Lawful Development Proposed
Installation and replacement of windows to front and rear elevations (like for like); installation and replacement of front door (like for like); external alterations; outbuilding at rear for use as study
44 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Mrs Breda Roche · Agent Mr Sam Bennett · Officer HAP Hayden Parker
Approved
2022-08-09
More
Householder
Show all 10 rows
T1 - LEYLANDII - FELL T2 - LEYLANDII - FELL T3 - PEAR - FELL T4 - MALLUS - FELL
44 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Roche · Agent Haywards Mowing · Officer Rebecca Farrar
Approved
2022-03-03
More
Trees in a Conservation Area
Single storey rear extension; conversion of garage to habitable room; rooflight in rear roofslope; external alterations
44 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Mrs Breda Roche · Agent Mr Sam Bennett · Officer MOR Morgan Roberts
Approved
2022-01-28
More
Householder
The Cherry Blossom at the front garden of 46 Marsworth Avenue HA5 4TT is dead. I am applying for the permission to cut back or remove the dead tree. I am providing the photo of the dead tree.
46 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Mrs Nasrin Benn · Officer Rebecca Farrar
Approved
2021-09-13
More
Trees in a Conservation Area
Front Porch; single storey side extension; pitched roof over existing single storey rear extension; external alterations; (demolition of garage)
84 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Approved
2021-06-01
More
Householder
Single Storey Rear Extension: 6.00 metres deep, 2.76 metres maximum height, 2.74 metres high to the eaves
86 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Mrs Siddiqui · Agent Designlabs London · Officer MOR Morgan Roberts
Not required
2020-02-24
More
Prior Notification - Larger Home Extension
Replacement of windows with new painted timber windows.
50 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Applicant Paige & Petrook · Agent F J Thompson & Co · Officer BSC Ben Schnell
Approved
2018-11-13
More
Householder
Single storey front extension; single and two storey side extension; two storey/first floor rear extension; rear dormer; external alterations (demolition of garage and side extension) AMENDED DESCRIPTION TO INCLUDE DORMER
76 Marsworth Avenue, Hatch End, Pinner, Harrow, HA5 4TT · premises record
Approved
2018-04-16
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 26 premises each one covers.

Designation
Coverage
Conservation Area
Pinnerwood Park Estate Conservation Area PART 2 · reference COA00000172 · covers 16 of 26 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Pinnerwood Park Estate Conservation Area PART 2 · reference COA00000172 · covers 16 of 26 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 2 applications
Applicant on 2 applications
Applicant on 2 applications
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 2 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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
Development

What could it become?

Planning precedent37 applications and 37 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings B: 1, D: 5, E: 3, 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.