23 Rothamsted Avenue Harpenden Al5 2Dn
Approved on 16 February 2009
Council decision: Certificate of Lawfulness ApprovedDelegated (officer decision)
Proposal
Certificate Of Lawfulness (proposed) - Erection of outbuilding
- Received
- 24 December 2008
- Decision level
- Delegated (officer decision)
- Ward
- Harpenden West
- ReceivedReceived24 Dec
- ValidatedValidated24 Dec
- Consult.Consultation
- TargetTarget Date24 Dec
- DecidedDecided16 Feb
Decided in 54 days (council typically 56)
About this application
This is an outline application for an outbuilding at 23 Rothamsted Avenue Harpenden Al5 2Dn. St Albans has handled 912 applications of this type. This one was decided in 54 days. The site is in the Harpenden conservation area. There have been 3 other applications at this address. In the past year there have been 197 applications across Harpenden West. We hold 3,774 applications in total for the AL5 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
- AL5 2DN
- Application type
- Certificate of Lawfulness - (proposed)
- Scale / size
- Small
- Parish
- Harpenden Town
Planning application dates
- Date validated
- 24 December 2008
- Target decision date
- 24 December 2008
- Committee meeting
- 16 February 2009
- Decision issued
- 17 February 2009
- Application expires
- 18 February 2009
Planning decision
- Statutory period
- 56 days
Additional information
- Documents
- 2
Site constraints
Designations at the address point. Ones next to the site may also apply.
- Conservation area: Harpenden
- 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.
Planning history at this site
3 other applications at this property, newest first.
- 202511 Mar
2 Old Bay Trees (T1 and T2 on Sketch) - Cut back to Level of Hedges & thin because of excessive shading (see…
ApprovedTree works in conservation areaTP/2025/0125 - 20088 Oct
Erection of outbuilding
DC3 Conditional PermissionHouseholder5/2008/2339 - 200016 May
Two storey side extension (resubmission following refusal of 5/99/2216)
DC3 Conditional PermissionFull Planning Application (pre-2009)5/2000/1063
Source: St Albans
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Around this site
Nearby applications
- 17 Rothamsted Avenue Harpenden Hertfordshire Al5 2DnTP/2026/0494 · TreesAwaiting decision0.0 mi
- 23 Rothamsted Avenue Harpenden Al5 2Dn5/2000/1063 · FullApproved0.0 mi
- 23 Rothamsted Avenue Harpenden Al5 2Dn5/2008/2339 · FullApproved0.0 mi
- 19 Rothamsted Avenue Harpenden Al5 2Dn5/2008/0416 · FullApproved0.0 mi
- 19 Rothamsted Avenue Harpenden Hertfordshire Al5 2Dn5/2023/1796 · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for new builds near this site- Goldhawk Lofts LimitedHarpendenLoft ConversionsLoft Bedrooms0.3 mi
- Modlight ElectricalElectrician0.5 mi
- Wrens Electrical LtdElectrician0.6 mi
- P J C Electrical Services South East LtdElectrician0.7 mi
Planning something similar?
See what the council approved and refused for outbuildings and garden rooms on your street. Pick your home and get the evidence before you pay for drawings.