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29 Walton Road, Harrow, HA1 4XE

P/1577/22Certificate of Lawful Development ExistingApproved
Lawful development certificate

Approved on 19 July 2022

Council decision: GrantDelegated (officer decision)

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.

Proposal

CERTIFICATE OF LAWFUL DEVELOPMENT (EXISTING): Two storey extension to dwellinghouse

Received
27 April 2022
Decision level
Delegated (officer decision)
Ward
Marlborough
  1. Received27 Apr
  2. Validated23 May
  3. Consult.
  4. Target
  5. Decided19 Jul

Decided in 57 days (council typically 56)

About this application

This is an application to amend a permission at 29 Walton Road, Harrow, HA1 4XE. Harrow has handled 642 applications of this type. This one was decided in 83 days, 4 weeks longer than Harrow's typical decision time. The site is in a conservation area. There has been 1 other application at this address. In the past year there have been 93 applications across Marlborough. We hold 2,197 applications in total for the HA1 postcode area.

76% of amendment applications at London Borough of Harrow were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
HA1 4XE
Application type
Certificate of Lawful Development Existing
Scale / size
Small

Planning application dates

Date validated
23 May 2022
Application expires
22 June 2022

Applicant and agent

Agent address
The Joiners Shop The Historic Dockyard Chatham Me4 4Tz Undefined

Planning decision

Statutory period
30 days

Additional information

Planning Portal ID
PP-11149962
UPRN
100021292856
Documents
24

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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.

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 2026-11-03. 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.

Source: Harrow

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

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