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Planning applications in AL4

We hold 1,994 planning applications for the AL4 postcode area, 277 of them submitted in the past year. 75% of decided applications here were approved. A decision typically takes 60 days. The area is covered by St Albans, Welwyn Hatfield, Hertsmere.

1,994
applications held
277
in the past year
75%
approved
60 days
median decision

Councils covering AL4

St Albans (1,897)Welwyn Hatfield (50)Hertsmere (27)North Hertfordshire (12)Hertfordshire (8)

Recent applications in AL4

Pending
18 Sept 20265/2026/1595
23 Osprey Drive St Albans Hertfordshire AL4 0LTSt Albans

The construction of a single storey front porch at 23 Osprey Drive St Albans Hertfordshire AL4 0LT

Pending
18 Sept 20265/2026/1580
106 Puddingstone Drive St Albans Hertfordshire AL4 0GYSt Albans

Proposed single storey rear extension at 106 Puddingstone Drive St Albans Hertfordshire AL4 0GY

Pending
18 Sept 20265/2026/1461
7 Davys Close Wheathampstead Hertfordshire AL4 8TLSt Albans

Garage conversion with roof at 7 Davys Close Wheathampstead Hertfordshire AL4 8TL

Pending
18 Sept 20265/2026/1493
53 & Land Rear of 55-59 Station Road Smallford St Albans Hertfordshire AL4 0HBSt Albans

Variation of Condition 2 (approved plans) extend the road up to the site boundary line and relocate the proposed planting to alternative locations within the site boundary of planning permission 5/2025/1711 dated 15/12/2025 for Variation of Condition 2 (approved plans) to allow minor changes to the proposals of planning permission 5/2024/0454 dated 12/12/2024 for Demolition of 53 Station Road and erection of 8 new dwellings with associated access, parking, amenity space and landscaping at 53 & Land Rear of 55-59 Station Road Smallford St Albans Hertfordshire AL4 0HB

Pending
18 Sept 20265/2026/1612
79 Caesars Road Wheathampstead Hertfordshire AL4 8PASt Albans

Demolition of existing garage. Proposed single storey front extension and single storey side extension pitched roofs, front rain porch and alterations to existing openings at 79 Caesars Road Wheathampstead Hertfordshire AL4 8PA

Pending
11 Sept 20265/2026/1473
4 Ripon Way St Albans Hertfordshire AL4 9AJSt Albans

Garage conversion to habitable space. Front porch infill and modification to porch roof at 4 Ripon Way St Albans Hertfordshire AL4 9AJ

Pending
11 Sept 20265/2026/1545
2 Runcie Close St Albans Hertfordshire AL4 9AXSt Albans

Proposed two storey side and rear extensions and alterations to position of front door at 2 Runcie Close St Albans Hertfordshire AL4 9AX

Pending
11 Sept 20265/2026/1511
2 Smallwood Close Wheathampstead Hertfordshire AL4 8TWSt Albans

Garage Conversion at 2 Smallwood Close Wheathampstead Hertfordshire AL4 8TW

Pending
11 Sept 20265/2026/1419
The Elephant And Castle Ph Amwell Lane Wheathampstead Hertfordshire AL4 8EASt Albans

Retention of Tipi to garden at The Elephant And Castle Ph Amwell Lane Wheathampstead Hertfordshire AL4 8EA

Pending
10 Sept 202626/01806/FPH
72 Kimpton Road Blackmore End St Albans Hertfordshire AL4 8LXNorth Hertfordshire

Single storey rear infill extension and alterations to rear ground floor fenestration (Development already carried out).

Pending
FULL PERMISSION
9 Sept 20266/2026/1569/FULL
The Depot, Bullens Green Lane, Colney Heath AL4 0QRWelwyn Hatfield

Erection of 9 dwellings with associated access, car parking and landscaping following the demolition of existing structures and storage use

Pending
4 Sept 20265/2026/1476
2 Fernleys St Albans Hertfordshire AL4 9UTSt Albans

Conversion and extension of garage at 2 Fernleys St Albans Hertfordshire AL4 9UT

Pending
4 Sept 20265/2026/1485
21 Wheatleys St Albans Hertfordshire AL4 9UESt Albans

Front, side and rear extension, two storey at 21 Wheatleys St Albans Hertfordshire AL4 9UE

Pending
4 Sept 20265/2026/1482
8 Milvus Road St Albans Hertfordshire AL4 0LJSt Albans

Retrospective planning application for a front porch at 8 Milvus Road St Albans Hertfordshire AL4 0LJ

Pending
4 Sept 20265/2026/1410
Beaumont School Austen Way St Albans Hertfordshire AL4 0XBSt Albans

Demolition of 4no school buildings (Buildings EEFA, EFAD, EFAE, EFAF) and erection of 1no part two, part three storey teaching block, installation of 1no sub- station, with associated landscaping (including hard and soft social spaces, external covered social spaces and covered parking provision) (phase 2) at Beaumont School Austen Way St Albans Hertfordshire AL4 0XB

Pending
4 Sept 20265/2026/1503
34 Elizabeth Court St Albans Hertfordshire AL4 9JDSt Albans

Single storey rear extension at 34 Elizabeth Court St Albans Hertfordshire AL4 9JD

Pending
4 Sept 20265/2026/1505
4 Villiers Crescent St Albans Hertfordshire AL4 9HYSt Albans

Proposed two-storey side extension, front entrance/garage alterations and associated single-storey rear extension, including internal reconfiguration works, new roof form, matching external materials and associated fenestration alterations. at 4 Villiers Crescent St Albans Hertfordshire AL4 9HY

Pending
4 Sept 20265/2026/1479
Crossfields House Lamer Lane Wheathampstead Hertfordshire AL4 8RQSt Albans

Construction of a front porch, part single, part two storey rear extension and alterations, following the demolition of the existing rear projection at Crossfields House Lamer Lane Wheathampstead Hertfordshire AL4 8RQ

Pending
28 Aug 20265/2026/1455
27 The Broadway Gustard Wood Wheathampstead Hertfordshire AL4 8LWSt Albans

Demolition of conservatory and dining room and construction of single storey rear extension and internal alterations at 27 The Broadway Gustard Wood Wheathampstead Hertfordshire AL4 8LW

Pending
Small
Tree works in conservation area
26 Aug 2026TP/2026/0413
The Rectory Old Rectory Gardens Wheathampstead Hertfordshire Al4 8AdSt Albans

T1 - 1 x Sycamore to fell T2 - 1 x Elm to fell T3 - 1 x Cherry to reduce branch length by 3m See attached tree survey

Pending
Small
Tree works to TPO trees(s)
25 Aug 2026TP/2026/0408
31 Harrier End St Albans Hertfordshire Al4 0LdSt Albans

T1. Oak - Remove 2 large lower limbs overhanging the rear garden. Reduce the remaining overhanging canopy by about 2m Reason - To balance the tree

Pending
21 Aug 20265/2026/1449
6 Chestnut Drive St Albans Hertfordshire AL4 0ESSt Albans

Single Storey Side Extension at 6 Chestnut Drive St Albans Hertfordshire AL4 0ES

Pending
21 Aug 20265/2026/1437
14 House Lane Sandridge Hertfordshire AL4 9ETSt Albans

Single storey rear extension and internal alterations at 14 House Lane Sandridge Hertfordshire AL4 9ET

Pending
21 Aug 20265/2026/1438
12 Highfield Road Sandridge Hertfordshire AL4 9BUSt Albans

Single storey front extension at 12 Highfield Road Sandridge Hertfordshire AL4 9BU

Pending
21 Aug 20265/2026/1469
35 Chestnut Drive St Albans Hertfordshire AL4 0ERSt Albans

Single storey front extension with canopy porch, Partial conversion of garage, raising of garage roof and addition of rooflight windows at 35 Chestnut Drive St Albans Hertfordshire AL4 0ER

Pending
21 Aug 20265/2026/1439
Little Meadow Down Green Lane Wheathampstead Hertfordshire AL4 8EBSt Albans

Proposed refurbishment and extension of existing dwelling including; two storey rear extension incl dormer, single storey side extension at first floor level above existing building footprint, Replace all windows with new to match existing, and make good external finishes. Demolition of existing garage. Partial relandscaping of rear garden at Little Meadow Down Green Lane Wheathampstead Hertfordshire AL4 8EB

Pending
14 Aug 20265/2026/1433
1 Milvus Road St Albans Hertfordshire AL4 0LJSt Albans

Two storey / first floor rear extensions, plus partial conversion of garage to home office use at 1 Milvus Road St Albans Hertfordshire AL4 0LJ

Pending
14 Aug 20265/2026/1400
217 The Ridgeway St Albans Hertfordshire AL4 9XGSt Albans

Part two storey, part first floor side extension, alterations to fenestration and canopy to front door at 217 The Ridgeway St Albans Hertfordshire AL4 9XG

Pending
14 Aug 20265/2026/1340
3 Meads Lane Wheathampstead Hertfordshire AL4 8BZSt Albans

Construction of detached dwelling following demolition of existing garage with associated landscaping works and parking at 3 Meads Lane Wheathampstead Hertfordshire AL4 8BZ

Pending
14 Aug 20265/2026/1435
17 Springfield Road Smallford St Albans Hertfordshire AL4 0HJSt Albans

First floor extension over existing ground floor extension and internal changes at 17 Springfield Road Smallford St Albans Hertfordshire AL4 0HJ

Pending
7 Aug 20265/2026/1421
Crossfields House Lamer Lane Wheathampstead Hertfordshire AL4 8RQSt Albans

Front porch, single storey rear extension and alterations, following the demolition of the existing rear projection. at Crossfields House Lamer Lane Wheathampstead Hertfordshire AL4 8RQ

Pending
7 Aug 20265/2026/1405
64 Sleapshyde Lane Smallford St Albans Hertfordshire AL4 0SBSt Albans

Double storey rear extension. Ground floor extension to accommodate a open plan family space, Utility room and WC. First floor internal alterations to accommodate a new third bedroom. Addition of windows to the front elevations and side door and windows to side elevation at 64 Sleapshyde Lane Smallford St Albans Hertfordshire AL4 0SB

Pending
7 Aug 20265/2026/1409
28 Eagle Way St Albans Hertfordshire AL4 0LNSt Albans

1st floor rear and side extension, new rear facing dormer. at 28 Eagle Way St Albans Hertfordshire AL4 0LN

Pending
7 Aug 20265/2026/1328
6 Dymoke Green St Albans Hertfordshire AL4 9LYSt Albans

Proposed rear extension at 6 Dymoke Green St Albans Hertfordshire AL4 9LY

Pending
7 Aug 20265/2026/1395
12 Wheatleys St Albans Hertfordshire AL4 9UESt Albans

First floor and ground floor rear extension, and two story front extension with porch at 12 Wheatleys St Albans Hertfordshire AL4 9UE

Pending
7 Aug 20265/2026/1398
14 Wheatleys St Albans Hertfordshire AL4 9UESt Albans

Ground floor and first floor rear extension at 14 Wheatleys St Albans Hertfordshire AL4 9UE

Pending
7 Aug 20265/2026/1386
277 Hatfield Road St Albans Hertfordshire AL4 0DHSt Albans

Demolition of existing porch and rear garage and construction of new part single storey/double storey side extension, two storey rear extension, front porch extension and loft conversion at 277 Hatfield Road St Albans Hertfordshire AL4 0DH

Pending
7 Aug 20265/2026/1219
107 Colney Heath Lane St Albans Hertfordshire AL4 0TNSt Albans

Erection of a two storey 66no. bedroom residential care home for older people (Use Class C2) with creation of a new access and closer of an existing access, associated landscaping, parking and ancillary buildings at 107 Colney Heath Lane St Albans Hertfordshire AL4 0TN

Pending
31 Jul 20265/2026/1360
47 Chestnut Drive St Albans Hertfordshire AL4 0ERSt Albans

New ground floor entrance extension with skylight to the front elevation and alterations to openings at 47 Chestnut Drive St Albans Hertfordshire AL4 0ER

Pending
31 Jul 20265/2026/1334
287 Hatfield Road St Albans Hertfordshire AL4 0DHSt Albans

Ground floor rear and side infill extension, loft conversion with rear dormer and rooflights at 287 Hatfield Road St Albans Hertfordshire AL4 0DH

Pending
31 Jul 20265/2026/1362
3 The Slype Gustard Wood Wheathampstead Hertfordshire AL4 8RYSt Albans

Two storey side extension, single storey rear and front extensions, conversion of part garage to sauna at 3 The Slype Gustard Wood Wheathampstead Hertfordshire AL4 8RY

Pending
31 Jul 20265/2026/1249
53 Offas Way Wheathampstead Hertfordshire AL4 8PBSt Albans

Creation of a hardstanding within the existing front garden to provide one off street parking space at 53 Offas Way Wheathampstead Hertfordshire AL4 8PB

Pending
24 Jul 20265/2026/1311
95 High Street Colney Heath St Albans Hertfordshire AL4 0NSSt Albans

Garage extension (part retrospective) at 95 High Street Colney Heath St Albans Hertfordshire AL4 0NS

Pending
24 Jul 20265/2026/1306
14 Tudor Road Wheathampstead Hertfordshire AL4 8NWSt Albans

Two storey side and part single, part two storey rear extension, new raised patio at 14 Tudor Road Wheathampstead Hertfordshire AL4 8NW

Pending
24 Jul 20265/2026/1320
Gardeners Cottage Gustard Wood Wheathampstead Hertfordshire AL4 8RNSt Albans

External alterations and mutual upgrade including replacement, recladding of link building, replacement porch, new opening and alteration to first floor window, new opening to front loft gable, relocation of first window below , alteration to works to elevation materials and refurbishment of small flat bay roofs at Gardeners Cottage Gustard Wood Wheathampstead Hertfordshire AL4 8RN

Pending
24 Jul 20265/2026/1281
60 62 and 62a Oaklands Lane Smallford St Albans Hertfordshire AL4 0HSSt Albans

Six dwellings and new access arrangements following the sub-division of plots and the demolition of one dwelling (no. 62) and commercial premises (no. 62a) at 60 62 and 62a Oaklands Lane Smallford St Albans Hertfordshire AL4 0HS

Conditions
17 Jul 20265/2026/1187
1 Church End Sandridge Hertfordshire AL4 9DLSt Albans

Listed Building Consent - Retention of the existing loft conversion at 1 Church End Sandridge Hertfordshire AL4 9DL

Pending
17 Jul 20265/2026/1158
St Helens Church Of England Primary School Brewhouse Hill Wheathampstead Hertfordshire AL4 8ANSt Albans

Change of use of existing classroom block to nursery including external alterations to form a new entrance and level access at St Helens Church Of England Primary School Brewhouse Hill Wheathampstead Hertfordshire AL4 8AN

Pending
17 Jul 20265/2026/1282
33 Hazelmere Road St Albans Hertfordshire AL4 9SASt Albans

Demolition of existing garage, erection of two storey side and part single, part two storey rear extension, loft conversion with dormer and roof windows, replacement windows and alterations to openings, extended driveway at 33 Hazelmere Road St Albans Hertfordshire AL4 9SA

Pending
17 Jul 20265/2026/1241
530 Hatfield Road St Albans Hertfordshire AL4 0SXSt Albans

Single storey rear extension, as enlargement to approved extension (reference 5/25/0773), use of roof of single storey side and rear extension as roof terrace, with railings balustrade, flank screening wall, with attached timber pergola and, external staircase to rear elevation (part retrospective) at 530 Hatfield Road St Albans Hertfordshire AL4 0SX