Planning Atlas
AtlasPostcodeHA53AX
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Session
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Postcode record · Harrow

HA5 3AX.

HA5 3AX has 30 known premises and 91 planning records — 63 approved of 80 decided (78.8%). 16 EPC records.

Postcode unitHarrowOS boundary
HarrowHA5 3AX
Postcode HA5 3AX · boundary not held, centred on the postcodeApprovedRefusedOther91 on the map — every match
At a glance · this postcodeHarrow profile →
30
Premises
known addresses (UPRNs)
91
Applications
80 decided
78.8%
Approval rate
63 approved · 17 refused
61 days
Median decision time
average 91 days · 85 dated decisions
16
EPC records
ratings C 1 · D 7 · E 6 · F 2
91
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 3AX has 30 known premises and 91 planning records — 63 approved of 80 decided (78.8%). 16 EPC records.

Premises (18 of 30 shown)

Planning

What happened?

91 planning applications across the postcode; 63 approved of 80 decided (78.8%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Front porch; conversion of garage to habitable room; single storey side to rear extension; landscaping; external alterations (Demolition of rear conservatory)
6 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Officer John Lo
Householder
Pending Consideration
2026-03-03
TPO No. 263 Moss Lane (No.10) Pinner T86 Ash (rear boundary, within 14 Moss Lane): Crown reduce by removing approximately 2-3m all over
14 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Works to Protected Trees
Approved
2025-05-06
Alterations and extension to roof to form dutch gable to the flank, a dormer to the front roof slope, replacement dormer to rear, external alterations (Demolition of rear dormer)
46 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Householder
Approved
2024-12-12
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Conversion of garage to habitable room with installation of window to front
14 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Officer Agnes Wanja
Certificate of Lawful Development Proposed
Approved
2024-01-10
WITHDRAWN AND REFUNDED - Invalid
14 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Officer Zoe Levassor
Certificate of Lawful Development Existing
Withdrawn
2023-06-05
T83 Lawson Cypress (front): Large branch break-out during recent storms. Previously topped. Remove and replace *(see below)
20 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Works to Protected Trees
Approved
2022-05-04
Tree number - T1 Tree type - Plum (prunus spp) Approx Height - 6m Location - Front garden Front boundary beside driveway entrance Service - Fell Work required - Fell as close to trees current ground level as possible and leave the stump in the ground, treat with glyphosate to prevent regrowth. Reaso
60 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Trees in a Conservation Area
Approved
2021-10-25
Installation of Cabrio rooflight/ balcony to rear roof slope and rooflight to side roofslope
20 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Householder
Approved
2021-07-30
Alterations and extension to roof to raise rear ridge height; rear dormer; rooflights in both side roofslopes; single and two storey side to rear extension; first floor rear extension; front entrance canopy; external alterations; extension of patio at rear (demolition of attached garage and side ext
30 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Householder
Approved
2020-12-15
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Detached outbuilding in rear garden for use as garden room incidental to the use of the dwellinghouse.
30 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Certificate of Lawful Development Existing
Approved
2020-12-15
Front porch; conversion of garage to habitable room; single storey side to rear extension; landscaping; external alterations (Demolition of rear conservatory)
6 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Officer John Lo
Pending Consideration
2026-03-03
More
Householder
TPO No. 263 Moss Lane (No.10) Pinner T86 Ash (rear boundary, within 14 Moss Lane): Crown reduce by removing approximately 2-3m all over
14 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Approved
2025-05-06
More
Works to Protected Trees
Alterations and extension to roof to form dutch gable to the flank, a dormer to the front roof slope, replacement dormer to rear, external alterations (Demolition of rear dormer)
46 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Approved
2024-12-12
More
Householder
Show all 10 rows
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Conversion of garage to habitable room with installation of window to front
14 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Officer Agnes Wanja
Approved
2024-01-10
More
Certificate of Lawful Development Proposed
WITHDRAWN AND REFUNDED - Invalid
14 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Officer Zoe Levassor
Withdrawn
2023-06-05
More
Certificate of Lawful Development Existing
T83 Lawson Cypress (front): Large branch break-out during recent storms. Previously topped. Remove and replace *(see below)
20 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Approved
2022-05-04
More
Works to Protected Trees
Tree number - T1 Tree type - Plum (prunus spp) Approx Height - 6m Location - Front garden Front boundary beside driveway entrance Service - Fell Work required - Fell as close to trees current ground level as possible and leave the stump in the ground, treat with glyphosate to prevent regrowth. Reaso
60 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Approved
2021-10-25
More
Trees in a Conservation Area
Installation of Cabrio rooflight/ balcony to rear roof slope and rooflight to side roofslope
20 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Approved
2021-07-30
More
Householder
Alterations and extension to roof to raise rear ridge height; rear dormer; rooflights in both side roofslopes; single and two storey side to rear extension; first floor rear extension; front entrance canopy; external alterations; extension of patio at rear (demolition of attached garage and side ext
30 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Approved
2020-12-15
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Detached outbuilding in rear garden for use as garden room incidental to the use of the dwellinghouse.
30 Moss Lane, Pinner, Harrow, HA5 3AX · premises record
Approved
2020-12-15
More
Certificate of Lawful Development Existing

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 30 premises each one covers.

Designation
Coverage
Conservation Area
Moss Lane Conservation Area Pinner · reference COA00000167 · covers 7 of 30 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Moss Lane Conservation Area Pinner · reference COA00000167 · covers 7 of 30 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
Case officer on 7 applications
Case officer on 5 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 applications
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 7 applications
Case officer on 5 applications
Case officer on 4 applications
Show all 10 rows
Case officer on 3 applications
Case officer on 2 applications
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
Development

What could it become?

Planning precedent91 applications and 91 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 1, D: 7, E: 6, F: 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.

9 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.
HA5 3AX, Harrow: planning and property history | Planning Atlas