9a & 9b Rosebery Avenue Harpenden Hertfordshire AL5 2QT
Approved on 7 May 2025
Council decision: DC3 Conditional PermissionDelegated (officer decision)16 conditions
Proposal
Demolition of existing semi-detached duplex properties and construction of two, three bedroom semi-detached houses with attic accommodation with associated landscaping works and widening of existing vehicle crossover at 9a & 9b Rosebery Avenue Harpenden Hertfordshire AL5 2QT
- Received
- 19 December 2024
- Decision level
- Delegated (officer decision)
- Ward
- Harpenden West
- ReceivedReceived19 Dec
- ValidatedValidated31 Jan
- Consult.Consultation24 Apr
- TargetTarget Date24 Apr
- DecidedDecided7 May
Decided in 96 days
About this application
This is a planning application for demolition at 9a & 9b Rosebery Avenue Harpenden Hertfordshire AL5 2QT. St Albans has handled 12,346 applications of this type. This one was decided in 139 days, 12 weeks longer than St Albans's typical decision time. The site is in the Harpenden conservation area. There have been 2 other applications at this address. In the past year there have been 196 applications across Harpenden West. We hold 3,774 applications in total for the AL5 postcode area.
Application details
- Postcode
- AL5 2QT
- Application type
- (Minor) Dwellings
- Scale / size
- Medium
- Parish
- Harpenden Town
Planning application dates
- Date validated
- 31 January 2025
- Consultation expiry
- 24 April 2025
- Consultation end
- 24 April 2025
- Target decision date
- 24 April 2025
- Application expires
- 27 March 2025
Applicant and agent
- Applicant
- Private applicant
- Architect profile
- HOWARD PEASE ARCHITECTS LIMITED
Planning decision
- Statutory period
- 83 days
Publicity
- Last advertised
- 20 February 2025
Additional information
- Documents
- 37
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.
Associated applications
- 20258 Sep
Discharge of Condition 15 (bio diversity net gain) of planning permission 5/2024/2258
PendingDischarge of conditions5/2025/1661 - 20256 Aug
Discharge of Condition 4 (dormer details) of planning permission 5/2024/2258
ApprovedDischarge of conditions5/2025/1486 - 20259 Jul
ADDITIONAL INFORMATION RECEIVED - Discharge of Condition 15 (habitat management and monitoring plan) and…
ApprovedDischarge of conditions5/2025/1313 - 202419 Dec
Demolition of existing semi-detached duplex properties and construction of two, three bedroom semi-detached…
This applicationDC3 Conditional PermissionApplication5/2024/2258
Planning history at this site
3 other applications at this property, newest first.
- 20248 Sep
Certificate of Lawfulness (proposed) - Combining 9a and 9b Rosebery Avenue in order to create a single…
RefusedCertificate of Lawfulness - (proposed)5/2024/1541 - 20246 Jun
Section 62a designation - Demolition of existing dwellings and construction of a replacement five bedroom…
RefusedS62A5/2024/0950 - No date
duplicate at 9a & 9b Rosebery Avenue Harpenden Hertfordshire AL5 2QT
Invalid applicationApplication5/2024/2259
Source: St Albans
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Around this site
Nearby applications
- 11 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt5/2024/1056 · FullApproved0.0 mi
- 5 Rosebery Avenue Harpenden Al5 2QtTP/2020/0232 · TreesApproved0.0 mi
- 9A & 9B Rosebery Avenue Harpenden Hertfordshire Al5 2Qt5/2024/1541 · OutlineRefused0.0 mi
- 9A Rosebery Avenue Harpenden Hertfordshire Al5 2Qt5/2025/1661 · ConditionsAwaiting decision0.0 mi
- 15 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt5/2020/0541 · ConditionsApproved0.0 mi
For applicants and trades
For the applicant
Need an ecological survey or mitigation plan? Ecologists near this site
Conditions 15 and BNG on the decision ask for this.
- 16.1 miWaltham Cross
- 16.4 miLondon
- 16.7 miWaltham Cross
Nearest first, within 25 miles of the site. Every firm is listed free.
Contractors near this project
Find contractors for landscaping & driveways near this site- Goldhawk Lofts LimitedHarpendenLoft ConversionsLoft Bedrooms0.4 mi
- Wrens Electrical LtdElectrician0.6 mi
- Modlight ElectricalElectrician0.7 mi
- P J C Electrical Services South East LtdElectrician0.8 mi
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