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Planning applications in AL3

We hold 2,139 planning applications for the AL3 postcode area, 338 of them submitted in the past year. 85% of decided applications here were approved. A decision typically takes 56 days. The area is covered by St Albans, Dacorum, Hertfordshire.

2,139
applications held
338
in the past year
85%
approved
56 days
median decision

Councils covering AL3

St Albans (1,583)Dacorum (554)Hertfordshire (2)

Recent applications in AL3

Pending
25 Sept 20265/2026/1632
1 Abbey Avenue St Albans Hertfordshire AL3 4BJSt Albans

Proposed two-storey rear extension and part single-storey rear extension. at 1 Abbey Avenue St Albans Hertfordshire AL3 4BJ

Pending
25 Sept 20265/2026/1565
1 Knights Orchard Verulam Road St Albans Hertfordshire AL3 4DJSt Albans

Single storey rear infill extension with fenestration alterations at 1 Knights Orchard Verulam Road St Albans Hertfordshire AL3 4DJ

Pending
25 Sept 20265/2026/1548
Abbey Gate House 4 Abbey Mill Lane St Albans Hertfordshire AL3 4HDSt Albans

Listed Building consent - Installation of solar panels to 2no areas of roof at Abbey Gate House 4 Abbey Mill Lane St Albans Hertfordshire AL3 4HD

Pending
25 Sept 20265/2026/1518
28 Hill Street St Albans Hertfordshire AL3 4QTSt Albans

Installation of cross-pavement channel to facilitate on-street charging of EV at 28 Hill Street St Albans Hertfordshire AL3 4QT

Pending
25 Sept 20265/2026/1681
16 Jerome Drive St Albans Hertfordshire AL3 4LXSt Albans

Ridge rise to encompass a new loft conversion with three front roof light windows, rear dormer and roof cladding change with the removal of the chimney at 16 Jerome Drive St Albans Hertfordshire AL3 4LX

Pending
25 Sept 20265/2026/1682
18 Jerome Drive St Albans Hertfordshire AL3 4LXSt Albans

Ridge rise to encompass a loft conversion with three front roof light windows and roof cladding change and removal of chimney with the replacement of a tiled panel to the front elevation to a rendered one at 18 Jerome Drive St Albans Hertfordshire AL3 4LX

Pending
25 Sept 20265/2026/1669
10 Bridle Close St Albans Hertfordshire AL3 5HXSt Albans

Conversion of existing garage to internal accommodation at 10 Bridle Close St Albans Hertfordshire AL3 5HX

Pending
18 Sept 20265/2026/1606
61 Fishpool Street St Albans Hertfordshire AL3 4RUSt Albans

Installation of solar panels onto flat roof at rear of property. They will be installed flat to the roof and not visible from either the front or rear of the bulding at 61 Fishpool Street St Albans Hertfordshire AL3 4RU

Pending
18 Sept 20265/2026/1463
21 Allandale St Albans Hertfordshire AL3 4NGSt Albans

Porch extension with alterations to garden fencing at 21 Allandale St Albans Hertfordshire AL3 4NG

Pending
11 Sept 20265/2026/1552
20 Grange Street St Albans Hertfordshire AL3 5NBSt Albans

Demolition of old outbuilding and erection of a single storey side and rear extension. Rear extension to replace old outbuilding and extend past original footprint. New extensions to provide additional habitable space to dwelling at 20 Grange Street St Albans Hertfordshire AL3 5NB

Pending
11 Sept 20265/2026/1468
1 Bridge Cottages Sandridgebury Lane St Albans Hertfordshire AL3 6JESt Albans

Removal of outbuildings and construction of side extension at 1 Bridge Cottages Sandridgebury Lane St Albans Hertfordshire AL3 6JE

Pending
11 Sept 20265/2026/1475
New Jeromes Farm Redbourn Road St Albans Hertfordshire AL3 6RRSt Albans

Partial retrospective permission for the full replacement of Building 3 with proposed external alterations including recladding the sides, roof and installation of a roller shutter door, and rooflight windows as well as change of use of the building to B8 Storage or Distribution use. Part retrospective permission for the partial replacement of Building 2, proposed external alterations to the whole building including recladding the sides, roof and installation of new doors and windows, as well as the change of use to Class E(g)(iii) Commercial Business and Services use. Retrospective permission for the re-surfacing and widening the existing access drive, improving kerb radii at the junction and formation of passing spaces at New Jeromes Farm Redbourn Road St Albans Hertfordshire AL3 6RR

Pending
11 Sept 20265/2026/1572
25 Sheppards Close St Albans Hertfordshire AL3 5ALSt Albans

Single storey wrap around extension, internal alterations & all associated works at 25 Sheppards Close St Albans Hertfordshire AL3 5AL

Pending
10 Sept 202626/01976/FUL
Lisle House 3 Ferrers Hill Farm Pipers Lane Markyate Hertfordshire AL3 8QGDacorum

Construction of a single storey contemporary garden building to be used as a craft room.

Pending
4 Sept 20265/2026/1499
56 Spencer Street St Albans Hertfordshire AL3 5EGSt Albans

Proposed alteration of the boundary wall on the Britton Avenue side of 56 Spencer Street. at 56 Spencer Street St Albans Hertfordshire AL3 5EG

Pending
4 Sept 20265/2026/1467
The Farriers Arms 32- 34 Lower Dagnall Street St Albans Hertfordshire AL3 4PTSt Albans

Infilling of existing door opening to College Place elevation at The Farriers Arms 32- 34 Lower Dagnall Street St Albans Hertfordshire AL3 4PT

Pending
4 Sept 20265/2026/1492
Rose Cottage 75a Hemel Hempstead Road Redbourn Hertfordshire AL3 7NLSt Albans

Rear extension to existing garage at Rose Cottage 75a Hemel Hempstead Road Redbourn Hertfordshire AL3 7NL

Pending
4 Sept 20265/2026/1509
21 St Stephens Avenue St Albans Hertfordshire AL3 4AASt Albans

Single Storey Rear Extension at 21 St Stephens Avenue St Albans Hertfordshire AL3 4AA

Pending
4 Sept 20265/2026/1404
12-13 North Common Redbourn Hertfordshire AL3 7DASt Albans

Demolition of existing conservatory and previous single storey rear extension, proposed new single storey rear extension and internal alterations at 12-13 North Common Redbourn Hertfordshire AL3 7DA

Pending
28 Aug 20265/2026/1445
35 Church Street St Albans Hertfordshire AL3 5NGSt Albans

Single storey and first floor rear extensions, removal of existing pebble dash and proposal of smooth-painted render to the front elevation and like for like front door replacement along with internal alterations at 35 Church Street St Albans Hertfordshire AL3 5NG

Pending
Small
Works to Tree(s) in Conservation Area
26 Aug 202626/01857/TCA
Cavendish House 30 High Street Markyate St Albans Hertfordshire AL3 8PBDacorum

Works to trees

Pending
21 Aug 20265/2026/1390
14 Old Harpenden Road St Albans Hertfordshire AL3 6AXSt Albans

Construction of ground, first floor side extension and ground floor rear extension. Conversion of existing loftspace into habitable area including formation of rear dormer and roof alterations at 14 Old Harpenden Road St Albans Hertfordshire AL3 6AX

Pending
21 Aug 20265/2026/1436
45 Goldsmith Way St Albans Hertfordshire AL3 5LHSt Albans

Internal layout reconfiguration to create improved family living accommodation, together with external alterations to the rear elevation, including the replacement of the existing patio doors and adjacent window with a bi-folding door at 45 Goldsmith Way St Albans Hertfordshire AL3 5LH

Pending
21 Aug 20265/2026/1365
47 Kings Road St Albans Hertfordshire AL3 4TQSt Albans

Installation of EV charging box on wall adjacent to porch of 47 Kings Road. Cross pavement channel shared by 45 and 47 Kings Road at 47 Kings Road St Albans Hertfordshire AL3 4TQ

Pending
21 Aug 20265/2026/1403
36 Hill Street St Albans Hertfordshire AL3 4QTSt Albans

Erection of a part single, part two storey rear extension following demolition of existing single storey extensions and two storey rear addition at 36 Hill Street St Albans Hertfordshire AL3 4QT

Pending
14 Aug 20265/2026/1428
17 Bettespol Meadows Redbourn Hertfordshire AL3 7ENSt Albans

Replacement single-storey rear extension with roof window and installation of new side door and window at ground floor to side elevation at 17 Bettespol Meadows Redbourn Hertfordshire AL3 7EN

Pending
14 Aug 20265/2026/1389
Sheldon House 3 Romans End St Albans Hertfordshire AL3 4BNSt Albans

Retrospective permission in relation to a change of use of a single dwelling and associated detached garage, from private residential to college administration services associated with existing (adjacent) education establishment at Sheldon House 3 Romans End St Albans Hertfordshire AL3 4BN

Pending
14 Aug 20265/2026/1294
37 Cannon Street St Albans Hertfordshire AL3 5JRSt Albans

House refurbishment including single storey rear and side extension, basement extension with new front lightwell, roof alterations with rear dormer and conservation rooflights to the front at 37 Cannon Street St Albans Hertfordshire AL3 5JR

Pending
7 Aug 20265/2026/1412
32 Etna Road St Albans Hertfordshire AL3 5NJSt Albans

Proposed Loft Conversion at 32 Etna Road St Albans Hertfordshire AL3 5NJ

Pending
7 Aug 20265/2026/1394
75 Ladies Grove St Albans Hertfordshire AL3 5TZSt Albans

Two storey side and rear extension at 75 Ladies Grove St Albans Hertfordshire AL3 5TZ

Pending
7 Aug 20265/2026/1417
35 Waverley Road St Albans Hertfordshire AL3 5PHSt Albans

Single storey rear extension and alteration to roof of existing single storey rear extension. at 35 Waverley Road St Albans Hertfordshire AL3 5PH

Pending
7 Aug 20265/2026/1368
1 Aysgarth Road Redbourn Hertfordshire AL3 7PJSt Albans

Two storey rear extension, removal of chimney stack and rear garage. at 1 Aysgarth Road Redbourn Hertfordshire AL3 7PJ

Pending
7 Aug 20265/2026/1243
St Albans City Hospital Waverley Road St Albans Hertfordshire AL3 5PNSt Albans

Installation of external plant and associated works (part retrospective) at St Albans City Hospital Waverley Road St Albans Hertfordshire AL3 5PN

Pending
7 Aug 20265/2026/1127
Land adjacent to Jarman House Rear Of 42 High Street Redbourn Hertfordshire AL3 7LNSt Albans

Construction of three bedroom detached house with air source heat pump at Land adjacent to Jarman House Rear Of 42 High Street Redbourn Hertfordshire AL3 7LN

Pending
Confirmation of Discharged Conditions
6 Aug 202626/01733/CWC
19 Ver Brook Avenue Markyate St Albans Hertfordshire AL3 8FHDacorum

Confirmation that the planning conditions have been fully complied with for application reference 4/01773/11/MFA

Pending
Small
Tree works to TPO trees(s)
2 Aug 2026TP/2026/0379
20 Silk Mill Road Redbourn Hertfordshire Al3 7GeSt Albans

Norway Maple Fell -Large wound in trunk just below vee shaped union at approx 2m above ground, possible Kretzchmaria Deusta

Pending
Small
Tree works in conservation area
1 Aug 2026TP/2026/0378
62 Camlet Way St Albans Hertfordshire Al3 4TlSt Albans

Silver Birch reduce by up to 30%. Thin by 15% to produce a compact form.

Pending
31 Jul 20265/2026/1348
25 Meautys St Albans Hertfordshire AL3 4LUSt Albans

Two storey rear extension and single storey front extension at 25 Meautys St Albans Hertfordshire AL3 4LU

Pending
31 Jul 20265/2026/1356
116 Fishpool Street St Albans Hertfordshire AL3 4RXSt Albans

Listed building Consent - Loft conversion to habitable accommodation with rear rooflights and construction of outbuilding to rear of garden following demolition of existing summerhouse at 116 Fishpool Street St Albans Hertfordshire AL3 4RX

Pending
31 Jul 20265/2026/1095
48 Harpenden Lane Redbourn Hertfordshire AL3 7PBSt Albans

Alterations to roof form to facilitate loft conversion, including insertion of dormer windows and rooflights, together with the erection of a 1.5-storey rear extension at 48 Harpenden Lane Redbourn Hertfordshire AL3 7PB

Pending
31 Jul 20265/2026/1342
116 Fishpool Street St Albans Hertfordshire AL3 4RXSt Albans

Loft conversion to habitable accommodation with rear rooflights and construction of outbuilding to rear of garden following demolition of existing summerhouse at 116 Fishpool Street St Albans Hertfordshire AL3 4RX

Permitted
Small
Tree works in conservation area
29 Jul 2026TP/2026/0372
20 Upton Avenue St Albans Hertfordshire Al3 5EwSt Albans

Sycamore - Fell due to significant decline

Pending
Small
Tree works in conservation area
29 Jul 2026TP/2026/0371
Childwickbury Stud Stud Lane Childwickbury St Albans Hertfordshire Al3 6JaSt Albans

Large Ash tree which requires cutting down and removing due to severe decay in the base. It is dangerous and poses a risk to life.

Pending
Small
Lawful Development Certificate Proposed
28 Jul 202626/01637/LDP
Watling Cottage London Road Flamstead St Albans Hertfordshire AL3 8HQDacorum

Construction of car port/storage area

Pending
24 Jul 20265/2026/1175
20 Cavan Drive St Albans Hertfordshire AL3 6HRSt Albans

Change of use of ancillary granny annex to a self-contained dwelling at 20 Cavan Drive St Albans Hertfordshire AL3 6HR

Pending
24 Jul 20265/2026/1268
31 Crouch Hall Gardens Redbourn Hertfordshire AL3 7ELSt Albans

Front, side and rear extensions, external alterations and creation of dormers at 31 Crouch Hall Gardens Redbourn Hertfordshire AL3 7EL

Pending
24 Jul 20265/2026/1094
48 Harpenden Lane Redbourn Hertfordshire AL3 7PBSt Albans

Alterations to roof form to facilitate loft conversion, including insertion of dormer windows and roof lights, construction of single storey extension at 48 Harpenden Lane Redbourn Hertfordshire AL3 7PB

Pending
24 Jul 20265/2026/1272
6 - 8 Ladysmith Road St Albans Hertfordshire AL3 5QASt Albans

Single storey rear extensions with insertion of doors to rear elevations, rooflights to front and rear roofslopes to facilitate loft conversions to habitable accommodation and replacement windows at 6 - 8 Ladysmith Road St Albans Hertfordshire AL3 5QA

Pending
Small
Tree works to TPO trees(s)
22 Jul 2026TP/2026/0360
2 Allandale St Albans Hertfordshire Al3 4NgSt Albans

TPO Ref TPO0055 Tree ref T24 Ash Mature Ash - lateral reduction of up to 2.5m and a height reduction of up to 2.5m, the Ash tree is showing signs of Ash Die Back, the works are to reduce the canopy to manage and prevent limb breakage as tree is dropping s

Permitted
Small
Tree works in conservation area
20 Jul 2026TP/2026/0354
19 New England Street St Albans Hertfordshire Al3 4QgSt Albans

Cotoneaster tree - Fell as dead