Planning application
21 St Stephens Avenue St Albans Hertfordshire Al3 4Aa
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
Single Storey Rear Extension
As published by the council, reference 5/2026/1509
Application record
- Reference
- 5/2026/1509
- Type
- Householder
- Status
- Under Consideration
- Received
- 9 Aug 2026
- Validated
- 10 Aug 2026
- Ward
- Verulam
- Postcode
- AL3 4AA
Timeline
Dates from the published record
-
9 Aug 2026
Received by St Albans
-
10 Aug 2026
Validated
Checked as complete and ready for consideration.
-
7 Sep 2026
Added to PlanIndex
-
11 Oct 2026
Status changed to Under Consideration
Previously Under Consultation.
-
Decision
Awaiting decision
Decision expected by 5 October 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
4 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
-
39 St Stephens Avenue St Albans Hertfordshire Al3 4Aa
Part single, part two storey front, part first floor and single storey rear extensions, extension and reconfiguration of roof to facilitate loft conversion with one front and two rear dormer windows, partial garage conversion and alteration to openings (r
Granted Householder Extension Loft or dormer +1 11 docsSmall domestic -
35 St Stephens Avenue St Albans Hertfordshire Al3 4Aa
Demolition of existing dwelling and construction of replacement house
Granted Demolition 29 docsDomestic -
3 St Stephens Avenue St Albans Hertfordshire Al3 4Aa
Alterations to the existing roof to provide a rear dormer
Granted Householder Loft or dormer 7 docsDomestic -
22 St Stephens Avenue St Albans Hertfordshire Al3 4Ad
Alterations to roof and replacement rear dormer window, alterations to single storey rear roof from hipped roof to flat roof with parapet wall and installation roof lantern
Granted Householder Loft or dormer Windows or glazing 14 docsSmall domestic -
32 St Stephens Avenue St Albans Hertfordshire Al3 4Ad
First floor front extension with hip to gable alterations to roof and front dormer. Part single, part two storey side and rear extensions with alterations to openings, rear dormer windows and rooflights
Granted Householder Extension Loft or dormer +1 7 docsDomestic -
18 St Stephens Avenue St Albans Hertfordshire Al3 4Ad
Demolition of chimney
Granted Householder Demolition 12 docsDomestic
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