Planning application
3A Pipers Avenue Harpenden Hertfordshire Al5 1Hb
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
Single storey rear extension
As published by the council, reference 5/2026/0824
Application record
- Reference
- 5/2026/0824
- Type
- Householder
- Status
- Approved
- Decision
- DC3 Conditional Permission
- Received
- 23 Apr 2026
- Validated
- 1 May 2026
- Decided
- 25 Aug 2026
- Ward
- Harpenden South
- Parish
- Harpenden Town
- Decision by
- Delegated
- Postcode
- AL5 1HB
Timeline
Dates from the published record
-
23 Apr 2026
Received by St Albans
-
1 May 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
25 Aug 2026
Decision issued: DC3 Conditional Permission
Documents
Plans, drawings, consultee responses and the officer's report
9 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
St Albans granted permission on 25 August 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
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28 Pipers Avenue Harpenden Hertfordshire Al5 1Hb
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First Floor Rear Extension ontop of single storey extension approved under Planning Permission 5/2026/0228.
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Variation of Condition 2 (approved plans) to allow revisions to the size and roof pitch of the dwellings, alterations to and additional openings and minor external alterations of planning permission 5/2024/0392 dated 7/11/2024 for Two, three bedroom semi-
Granted 36 docs
Other householder applications
In St Albans
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5/2026/1089 Granted
25 High Firs Crescent Harpenden Hertfordshire Al5 1Nb
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5/2026/0989 Granted
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5/2026/0631 Granted
28 Wroxham Way Harpenden Hertfordshire Al5 4Pp
Proposed two storey side and rear extension and single storey rear extension, alterations to patio, boundary treatments and landscaping.
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5/2026/1265 Granted
43 Granby Avenue Harpenden Hertfordshire Al5 5Qp
Following demolition of store rooms etc, proposed two-storey side and rear extensions, single-storey side and rear extensions along with internal and external alterations, new openings and chimney removal
-
5/2026/1152 Granted
43A Moreton End Lane Harpenden Hertfordshire Al5 2Ha
Addition of flat roof dormers to the first-floor ensuite bathroom on both the front and rear elevations. New utility room added to the rear of the garage space.