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3a Alexander Road London Colney Hertfordshire AL2 1HR

5/2026/0758OutlineApproved
Outline / PiP

Approved on 14 May 2026

Council decision: NCS Prior approval required and given

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

Proposal

Prior Approval - Single storey rear extension 3m in height x 6m in depth and 2.75m in height to the eaves at 3a Alexander Road London Colney Hertfordshire AL2 1HR

Submitted
14 April 2026
Ward
London Colney
  1. Received14 Apr
  2. Validated
  3. Consult.
  4. Target
  5. Decided14 May

Decided in 30 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 3a Alexander Road London Colney Hertfordshire AL2 1HR. St Albans has handled 912 applications of this type. This one was decided in 30 days, 4 weeks quicker than St Albans's typical decision time. There has been 1 other application at this address. In the past year there have been 56 applications across London Colney. We hold 1,041 applications in total for the AL2 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
AL2 1HR
Application type
Outline
Scale / size
Small

Planning application dates

Consultation expiry
8 May 2026

Applicant and agent

Applicant
Private applicant
Agent
Plan And Build

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.

© 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: St Albans

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