Skip to content

104 Masons Avenue, Wealdstone, Harrow, HA3 5AR

P/4785/21Certificate of Lawful Development ExistingPermitted
Lawful development certificate

Proposal

CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; wrap-a-round side to rear dormer with Juliette balcony; two rooflights in front roofslope, installation of window to side and doors to rear elevations at ground floor level; installation and replacement of windows to first floor rear elevation

Received
6 December 2021
Decided
24 February 2022 · Grant
Decision level
Delegated (officer decision)
Ward
Marlborough
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.

  1. Received6 Dec
  2. Validated11 Jan
  3. Consult.
  4. Target
  5. Decided24 Feb

Decided in 44 days (council typically 56)

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

This is an application to amend a permission at 104 Masons Avenue, Wealdstone, Harrow, HA3 5AR. Harrow has handled 643 applications of this type and approves 79% of them, typically deciding them in 56 days. This one was decided in 80 days, 3 weeks longer than Harrow's median. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 94 applications across Marlborough. We hold 5,281 applications in total for the HA3 postcode area.

Application Details

Reference
P/4785/21
Address
104 Masons Avenue, Wealdstone, Harrow, HA3 5AR
Postcode
HA3 5AR
Local Authority
Harrow
Application Type
Certificate of Lawful Development Existing
Scale / Size
Small
Decision Status
Permitted
Current Status
Final
Ward
Marlborough

Applicant & Agent

Applicant Address
104 Masons Avenue, Harrow, HA3 5AR

Planning Application Dates

Date Received
6 December 2021
Date Decided
24 February 2022
Date Validated
11 January 2022
Date Submitted
6 December 2021
Application Expires
7 March 2022

Planning Decision

Decision
Grant
Decided By
Delegated
Statutory Period
55 days

Publicity

Appeal

Additional Information

Planning Portal ID
PP-10301579
UPRN
100021277446
Documents
18
Coordinates
51.591290, -0.329716
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.

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near HA3

New planning applications delivered to your inbox weekly.

Planning constraints

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site

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.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© 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.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

What's been approved on your street?

See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.

Get The Signal Report