12 The Square Redbourn Hertfordshire AL3 7JB
Proposal
A single-storey rear and side extension at ground floor. A loft conversion to create a bedroom with en suite bathroom. The introduction of a rear dormer. Replacement of the existing hipped roof with a gable end to accommodate a staircase to the loft at 12 The Square Redbourn Hertfordshire AL3 7JB
- Decided
- 23 September 2025
- ReceivedSubmitted
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided23 Sep
This is a planning application for a loft conversion at 12 The Square Redbourn Hertfordshire AL3 7JB. St Albans has handled 11,911 applications of this type and approves 81% of them, typically deciding them in 57 days. There has been 1 other application at this address. In the past year there have been 125 applications across Redbourn. We hold 2,170 applications in total for the AL3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: St Albans
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Planning history at this site
1 other application at this property, newest first.
Planning constraints
Designations that overlap or adjoin the site outline.
- 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 2026-10-09. 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.
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