Planning application
10-12 Station Road Harpenden Hertfordshire Al5 4Se
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Construction of two storey and single storey over existing rear extension to provide a two bedroom flat at first floor level and office unit at ground floor level
As published by the council, reference 5/2025/2350
Application record
- Reference
- 5/2025/2350
- Type
- (Minor) All Other Developments
- Status
- Approved
- Decision
- Granted As published: DC3 Conditional Permission
- Received
- 23 Dec 2025
- Validated
- 24 Dec 2025
- Decided
- 18 May 2026
- Ward
- Harpenden West
- Parish
- Harpenden Town
- Decision by
- Delegated
- Postcode
- AL5 4SE
Site history
Applications at this address on the St Albans register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
5/2026/1084 Awaiting decision
10-12 Station Road Harpenden Hertfordshire Al5 4Se
Construction of two storey and single storey over existing rear extension to provide two one-bedroom flats at first floor level and office unit at ground floor level with external alterations including external staircase (Amended description and plans)
Timeline
Dates from the published record
-
23 Dec 2025
Received by St Albans
-
24 Dec 2025
Validated
Checked as complete and ready for consideration.
-
18 May 2026
Decision issued: DC3 Conditional Permission
-
7 Sep 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
18 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
St Albans granted permission on 18 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About this record
The published feed does not state which type of application this is; the register entry on St Albans's portal will say. Our guide explains the common types.
Nearby applications
Within 0.3 miles
-
14 Station Road Harpenden Hertfordshire Al5 4Se
88% historically approved · decision due ~9 Sep
Use of premises (ground floor) for both Use Class E (Commercial, Business, and Service) (current use) or Use Class F.1(a) (education centre), new signage, and all associated works
Awaiting decision Full applications 25 docs -
14 Station Road Harpenden Hertfordshire Al5 4Se
88% historically approved · decision due ~9 Sep
Advertisement Consent - Display of one externally illuminated fascia sign and one externally illuminated projecting/hanging sign
Awaiting decision Advertising 23 docs -
34 Station Road Harpenden Hertfordshire Al5 4Se
New metal staircase and alterations to openings
Decided 1 doc -
10-12 Station Road Harpenden Hertfordshire Al5 4Se
88% historically approved · decision due ~24 Aug
Construction of two storey and single storey over existing rear extension to provide two one-bedroom flats at first floor level and office unit at ground floor level with external alterations including external staircase (Amended description and plans)
Awaiting decision New dwelling Extension 40 docsSmall domestic -
Rear Of 10 & 12 Station Road Harpenden Hertfordshire Al5 4Se
Prior Approval - Change of use of the first floor from Class E to provide a 1 bedroom flat Class C3 and to keep the Class E usage on the ground floor
Withdrawn 23 docs -
Land Rear Of 10-12 Station Road Harpenden Al5 4Se
88% historically approved · decision due ~8 Sep
Construction of a two storey detached unit at the rear of the site to provide a ground floor commercial unit and 1 bedroom flat above (retrospective)
Awaiting decision 23 docs