21 Hammers Gate Chiswell Green St Albans Hertfordshire AL2 3DZ
Approved on 29 April 2026
Council decision: DC3 Conditional Permission3 conditions
Proposal
Single storey rear extension following demolition of existing single storey rear extension at 21 Hammers Gate Chiswell Green St Albans Hertfordshire AL2 3DZ
- Submitted
- 11 February 2026
- Ward
- St Stephen
- Agent
- Turquoise Noise Ltd
- ReceivedSubmitted11 Feb
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided29 Apr
Decided in 77 days (council typically 56)
About this application
This is a full planning application for demolition at 21 Hammers Gate Chiswell Green St Albans Hertfordshire AL2 3DZ. St Albans has handled 3,966 applications of this type. This one was decided in 77 days, 3 weeks longer than St Albans's typical decision time. There are no previous applications recorded at this address. In the past year there have been 105 applications across St Stephen. We hold 1,041 applications in total for the AL2 postcode area.
86% of full 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 3DZ
- Application type
- Full
- Scale / size
- Small
Planning application dates
- Consultation expiry
- 27 March 2026
Applicant and agent
- Applicant
- Private applicant
- Agent
- Turquoise Noise Ltd
- Architect profile
- TURQUOISE NOISE LTD
Site constraints
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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Around this site
Nearby applications
- 34 Chiswell Green Lane St Albans Hertfordshire Al2 3An5/2023/0622 · OutlineRefused0.1 mi
- 28 Farringford Close Chiswell Green St Albans Hertfordshire Al2 3Hs5/2023/0914 · FullAwaiting decision0.1 mi
- 59 Chiswell Green Lane St Albans Hertfordshire Al2 3Al5/2024/1496 · FullRefused0.2 mi
- 2 Laburnum Grove Chiswell Green St Albans Hertfordshire Al2 3Hq5/2023/1351 · OutlineApproved0.2 mi
- 2 Laburnum Grove Chiswell Green St Albans Hertfordshire Al2 3Hq5/2023/0596 · OutlineWithdrawn0.2 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- The Specialist Electrical Group LtdElectricianCommercial & industrial electrical installations0.3 mi
- Priority Plumbers Ltd0.8 mi
- Watret & Co LtdElectricianSolar Panel Installer0.9 mi
- Sol Projects LtdElectrician0.9 mi
Planning something similar?
See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.