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10 Cannon Street St Albans Hertfordshire AL3 5JS

5/2026/0776Approved

Approved on 28 September 2026

Council decision: DC3 Conditional Permission3 conditions

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

Proposal

Proposed part side and rear extension with mono pitched roof including rooflights and alterations to rear openings at 10 Cannon Street St Albans Hertfordshire AL3 5JS

Received
17 April 2026
Ward
Batchwood
Agent
SELC Architecture Ltd
  1. Received17 Apr
  2. Validated20 Apr
  3. Consult.28 Aug
  4. Target28 Aug
  5. Decided28 Sep

Decided in 161 days

About this application

This is a planning application for a rear extension at 10 Cannon Street St Albans Hertfordshire AL3 5JS. St Albans has handled 12,340 applications of this type. This one was decided in 143 days, 12 weeks longer than St Albans's typical decision time. The site is in the St Albans conservation area. There are no previous applications recorded at this address. In the past year there have been 65 applications across Batchwood. We hold 2,255 applications in total for the AL3 postcode area.

Application details

Postcode
AL3 5JS

Planning application dates

Date validated
20 April 2026
Consultation end
28 August 2026
Target decision date
28 August 2026

Applicant and agent

Applicant
Private applicant
Agent
SELC Architecture Ltd
Architect profile
SELC ARCHITECTURE LTD

Planning decision

Case officer
Ella Farrell

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • Conservation area: St Albans - Folly Lane, Garden Fields and the Old Hospital
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage 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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