18 Harlesden Road St Albans Hertfordshire Al1 4Lf

5/2018/1106Certificate of Lawfulness - (proposed)Approved

Outline / PiP

Approved on 18 June 2018

Council decision: Certificate of Lawfulness ApprovedDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Certificate of Lawfulness (proposed) - Single storey rear extension (3m deep) loft conversion comprising flat roof dormers to rear, removal of chimney and summer house

Received: 23 April 2018
Decision level: Delegated (officer decision)
Council: St Albans City and District Council
Ward: Clarence

ReceivedReceived23 Apr
ValidatedValidated24 Apr
Consult.Consultation
TargetTarget Date24 Apr
DecidedDecided18 Jun

Decided in 55 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 18 Harlesden Road St Albans Hertfordshire Al1 4Lf. St Albans has handled 912 applications of this type. This one was decided in 56 days. There are no previous applications recorded at this address. In the past year there have been 89 applications across Clarence. We hold 3,222 applications in total for the AL1 postcode area.

71% of outline applications at St Albans City and District Council 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.Planning something similar? See what gets approved on your street

Application details

Postcode: AL1 4LF
Application type: Certificate of Lawfulness - (proposed)
Scale / size: Small
Parish: Central St Albans

Planning application dates

Date validated: 24 April 2018
Target decision date: 24 April 2018
Application expires: 18 June 2018

Planning decision

Statutory period: 55 days

Additional information

Planning Portal ID: PP-6915571
Documents: 8

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, 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.

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

Source: St Albans

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