Planning application
28 Pipers Avenue Harpenden Hertfordshire Al5 1Hb
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
First Floor Rear Extension ontop of single storey extension approved under Planning Permission 5/2026/0228.
As published by the council, reference 5/2026/1273
Application record
- Reference
- 5/2026/1273
- Type
- Householder
- Status
- Under Consultation
- Received
- 1 Jul 2026
- Validated
- 2 Jul 2026
- Ward
- Harpenden South
- Parish
- Harpenden Town
- Postcode
- AL5 1HB
Comment by 26 November 2026
The council is taking comments on this application until then. Comments go to St Albans through their own planning portal.
Site history
Applications at this address on the St Albans register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
5/2026/0228 Granted
28 Pipers Avenue Harpenden Hertfordshire Al5 1Hb
Single storey rear extension, loft conversion, external material changes to dwelling, porch window added to front elevation
Timeline
Dates from the published record
-
1 Jul 2026
Received by St Albans
-
2 Jul 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
26 Sep 2026
Status changed to Under Consideration
Previously Under Consultation.
-
11 Oct 2026
Status changed to Under Consultation
Previously Under Consideration.
-
Decision
Awaiting decision
Decision expected by 27 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
St Albans took a median of 76 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
5 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 happens while it is decided
This application is with St Albans for determination, against a statutory target of eight weeks. Over the last year St Albans decided householder applications in a median of 110 days. More in our guide to how long planning decisions take.
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
Within 0.3 miles
-
20 Pipers Avenue Harpenden Hertfordshire Al5 1Hb
Single storey rear extension with rooflights
Granted Householder Extension Loft or dormer 9 docsSmall domestic -
28 Pipers Avenue Harpenden Hertfordshire Al5 1Hb
Single storey rear extension, loft conversion, external material changes to dwelling, porch window added to front elevation
Granted Householder Extension Loft or dormer +1 8 docsSmall domestic -
3A Pipers Avenue Harpenden Hertfordshire Al5 1Hb
Single storey rear extension
Granted Householder Extension 9 docsSmall domestic -
23 Grove Avenue Harpenden Hertfordshire Al5 1Eu
Demolition of existing bungalow and construction of two, three bedroom semi-detached dwelling (resubmission following withdrawal of 5/2017/1878) - Additional Daylight and Sunlight Report Submitted
Refused New dwelling Demolition 34 docsDomestic -
3 Grove Avenue Harpenden Hertfordshire Al5 1Eu
Single storey rear extension
Granted Householder Extension 16 docsSmall domestic -
60 Grove Road Harpenden Hertfordshire Al5 1Es
Certficate of Lawfulness (proposed) - Hipped to half-hipped loft conversion with front rooflight and rear dormer window
Granted Lawful development Loft or dormer Windows or glazing 7 docs
Other householder applications
In St Albans
-
5/2026/0517 Granted
28 White Hedge Drive St Albans Hertfordshire Al3 5Tt
Proposed two-storey rear extension, loft conversion, and alterations to the existing front entrance porch
-
5/2026/1055 Granted
39 Oakwood Drive St Albans Hertfordshire Al4 0Ul
Erection of a part single-storey, part two-storey wraparound extension, loft conversion including a rear dormer and rooflights, and construction of a front porch
-
5/2026/1278 Granted
39 Foxcroft St Albans Hertfordshire Al1 5Ss
Proposed C3 residential extension including two storey front and single storey front and side with internal alterations
-
5/2026/1170 Granted
20 Nimrod Close St Albans Hertfordshire Al4 9Xy
Extension of existing raised rear terrace with privacy screening and associated alterations to rear fenestration
-
5/2026/1338 Granted
16 Hunters Ride Bricket Wood Hertfordshire Al2 3Lx
Proposed front porch