9 Masefield Avenue, Stanmore, Harrow, HA7 3LU

PL/0704/26Certificate of Lawful Development ExistingWithdrawn

Lawful development certificate

Proposal

Certificate of lawful development (proposed): Single storey rear extension

Received: 15 March 2026
Decided: 14 May 2026
Council: London Borough of Harrow
Ward: Stanmore

Approximate site (title boundary)

Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

ReceivedSubmitted15 Mar
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided14 May

Decided in 60 days (council typically 56)

8 weeks typical decision time in Harrow77% of amendment applications approved

This is an application to amend a permission at 9 Masefield Avenue, Stanmore, Harrow, HA7 3LU. Harrow has handled 643 applications of this type and approves 79% of them, typically deciding them in 56 days. This one was decided in 60 days, 4 days longer than Harrow's median. The site is in a conservation area. There have been 2 other applications at this address. In the past year there have been 153 applications across Stanmore. We hold 2,177 applications in total for the HA7 postcode area.

Application Details

Reference

PL/0704/26

Address

9 Masefield Avenue, Stanmore, Harrow, HA7 3LU

Postcode

HA7 3LU

Local Authority

Harrow

Application Type

Certificate of Lawful Development Existing

Decision Status

Withdrawn

Ward

Stanmore

Applicant & Agent

Planning Application Dates

Date Received

15 March 2026

Date Decided

14 May 2026

Date Submitted

15 March 2026

Planning Decision

Publicity

Appeal

Additional Information

Coordinates

51.615376, -0.328600

Enriching application data

2/3

Council recordsAppealsFlood risk

Source: Harrow

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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Planning history at this site

3 other applications at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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