Planning application
21 New Greens Avenue St Albans Hertfordshire Al3 6Hs
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
First floor front extension over existing garage and single storey rear extension (concurrent with 22 New Greens Avenue)
As published by the council, reference 5/2026/0408
Application record
- Reference
- 5/2026/0408
- Type
- Householder
- Status
- Under Consideration
- Decision
- PENDING
- Received
- 3 Mar 2026
- Validated
- 4 Mar 2026
- Ward
- Batchwood
- Postcode
- AL3 6HS
Site history
Applications at this address on the St Albans register
This site has had 2 applications since 2021: 0 approved, 1 refused.
-
5/2021/1238 Refused
21 New Greens Avenue St Albans Hertfordshire Al3 6Hs
Single storey rear and first floor front extensions, alterations to openings
Timeline
Dates from the published record
-
3 Mar 2026
Received by St Albans
-
4 Mar 2026
Validated
Checked as complete and ready for consideration.
-
13 Sep 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
15 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 documentsAfter the decision
St Albans has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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
Within 500 metres
-
22 New Greens Avenue St Albans Hertfordshire Al3 6Hs
Proposed ground floor wraparound, front extension, garage conversion, solar panels and all associated works
Decided Householder Extension 13 docsSmall domestic -
21 New Greens Avenue St Albans Hertfordshire Al3 6Hs
Single storey rear and first floor front extensions, alterations to openings
Refused Householder Extension 14 docsSmall domestic -
52 Cavan Drive St Albans Hertfordshire Al3 6Hp
Single storey front porch , two storey side and rear extension
Granted Householder Extension 9 docsSmall domestic -
43 Cavan Drive St Albans Hertfordshire Al3 6Hp
Prior Notification - Single storey rear extension 4.3m in depth x 3.7m in height x 2.5m in height to the eaves
Granted Prior approval Extension 12 docsSmall domestic -
122 Harpenden Road St Albans Hertfordshire Al3 6Bz
Single storey rear infill extension, new raised patio area, loft conversion with dormer to rear, raising of existing chimneys, part garage conversion, plus alterations to openings on the side elevations.
Decided Householder Extension Loft or dormer 8 docsSmall domestic -
20 Cavan Drive St Albans Hertfordshire Al3 6Hr
Change of use of ancillary granny annex to a self-contained dwelling
Decided 23 docsDomestic
Other householder applications
In St Albans
-
5/2026/1089 Granted
25 High Firs Crescent Harpenden Hertfordshire Al5 1Nb
Removal of the existing flat roof and construction of a pitched roof to the front elevation
-
5/2026/0989 Granted
Mabel 30 Faircross Way St Albans Hertfordshire Al1 4Sd
Construction of single storey garden golf studio
-
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.
-
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.