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Planning applications in AL10

We hold 189 planning applications for the AL10 postcode area, 91 of them submitted in the past year. 86% of decided applications here were approved. A decision typically takes 57 days. The area is covered by Welwyn Hatfield, Ceredigion, North West Leicestershire.

189
applications held
91
in the past year
86%
approved
57 days
median decision

Councils covering AL10

Welwyn Hatfield (184)Ceredigion (2)North West Leicestershire (1)St Albans (1)Yorkshire Dales (1)

Recent applications in AL10

Pending
HOUSEHOLDER APPLICATION
16 Sept 20266/2026/1579/HOUSE
55 Wood Common Hatfield AL10 0UEWelwyn Hatfield

Erection of part single, part two storey rear extension and the installation of two new windows within the side elevation

Pending
LAWFUL DEVELOPMENT - PROPOSED
9 Sept 20266/2026/1504/LAWP
2 Cunningham Avenue Hatfield AL10 9LPWelwyn Hatfield

Certificate of lawfulness for a proposed loft conversion including a rear dormer and rooflights within the front roofslope

Pending
Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
8 Sept 20266/2026/1558/PN8
50 Heron Way Hatfield AL10 8QXWelwyn Hatfield

Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3m in height and 3m to the eaves

Pending
FULL PERMISSION
4 Sept 20266/2026/1516/FULL
80 Travellers Lane Hatfield AL10 8SFWelwyn Hatfield

Erection of a part single, part two storey rear extension, part first floor, part two storey side extension, single storey front extension and alterations to openings to facilitate the subdivision of the existing dwelling to create 1 No. three-bedroom dwelling and 1 No. two-bedroom dwelling

Pending
Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
3 Sept 20266/2026/1494/PN8
6 West View Hatfield AL10 0PJWelwyn Hatfield

Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves

Permitted
LAWFUL DEVELOPMENT - PROPOSED
28 Aug 20266/2026/1240/LAWP
45 Briars Wood Hatfield AL10 8DHWelwyn Hatfield

Certificate of lawfulness for driveway and dropped kerb

Permitted
VARIATION OF CONDITION
28 Aug 20266/2026/1424/VAR
18 Birchwood Close Hatfield AL10 0PPWelwyn Hatfield

Variation of Condition 1 (Arboricultural Method Statement and Tree Protection Plan) and Condition 2 (External Materials) on planning permission 6/2025/0927/HOUSE

Pending
HOUSEHOLDER APPLICATION
25 Aug 20266/2026/1498/HOUSE
6 West View Hatfield AL10 0PJWelwyn Hatfield

Erection of part single part two-storey rear extension

Pending
LAWFUL DEVELOPMENT - PROPOSED
25 Aug 20266/2026/1496/LAWP
6 West View Hatfield AL10 0PJWelwyn Hatfield

Certificate of lawfulness for erection of single storey rear extension, side and rear extension, hip to gable loft conversion with rear dormer

Permitted
APPROVAL OF DETAILS RESERVED BY CONDITION
18 Aug 20266/2026/1455/COND
5610 Gypsy Moth Avenue Hatfield Business Park Hatfield AL10 9BSWelwyn Hatfield

Submission of details pursuant to Condition 4 (Verification Report) on planning permission 6/2022/2759/FULL

Pending
Small
Neighbouring Local Authority Consultation
5 Aug 20265/2026/1486
Land At Cooper’S Green North West Hatfield Hertfordshire Al10 9FdSt Albans

Request for screening opinion in respect of a hybrid application

Pending
FULL PERMISSION
27 Jul 20266/2026/1312/FULL
Beales Hotel Comet Way Hatfield AL10 9NGWelwyn Hatfield

Change of use of the property from hotel (Use Class C1) to hostel (Sui Generis) for a temporary period until 31st March 2028

Pending
FULL PERMISSION
3 Jun 20266/2026/0865/FULL
Land Outside 92 Town Centre Hatfield AL10 0JWWelwyn Hatfield

Installation of 1 no. new communications Kiosk with integrated defibrillator and advertising display

Pending
Small
FULL PERMISSION
21 May 20266/2026/0910/FULL
The Galleria Land Securities Comet Way Hatfield AL10 0XRWelwyn Hatfield

Erection of an electronic advertising display following removal of existing non-illuminated signage

Pending
Small
ADVERT CONSENT
21 May 20266/2026/0909/ADV
The Galleria Land Securities Comet Way Hatfield AL10 0XRWelwyn Hatfield

Erection of an electronic advertising display following removal of existing non-illuminated signage

Pending
FULL PERMISSION
20 May 20266/2026/0894/FULL
14 Town Centre Hatfield AL10 0JZWelwyn Hatfield

Change of use from Class E restaurant to class E restaurant with ancillary sui generis takeaway

Pending
Small
ADVERT CONSENT
19 May 20266/2026/0887/ADV
The Galleria Land Securities Comet Way Hatfield AL10 0XRWelwyn Hatfield

Removal of existing non-illuminated signage and erection of an electronic advertising display to the Eastern end of the Southern Elevation

Pending
Small
FULL PERMISSION
19 May 20266/2026/0890/FULL
The Galleria Land Securities Comet Way Hatfield AL10 0XRWelwyn Hatfield

Erection of an electronic advertising display following removal of existing non-illuminated signage

Pending
Small
ADVERT CONSENT
19 May 20266/2026/0889/ADV
The Galleria Land Securities Comet Way Hatfield AL10 0XRWelwyn Hatfield

Removal of existing non-illuminated signage and erection of an electronic advertising display

Pending
FULL PERMISSION
19 May 20266/2026/0888/FULL
The Galleria Land Securities Comet Way Hatfield AL10 0XRWelwyn Hatfield

Removal of existing non-illuminated signage and erection of an electronic advertising display to the Eastern end of the Southern Elevation

Pending
APPROVAL OF DETAILS RESERVED BY CONDITION
6 May 20266/2026/0798/COND
University Of Hertfordshire College Lane Hatfield AL10 9ABWelwyn Hatfield

Submission of details pursuant to Condition 3 (Construction Method Statement), condition 4 (Surface Water Drainage) on planning permission 6/2025/1974/MAJ

Pending
Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
9 Apr 20266/2026/0632/PN8
29 Heathcote Avenue Hatfield AL10 0RQWelwyn Hatfield

Prior approval for a single storey rear extension which will measure 4m in depth, 3m to the eaves and the maximum height of 2.69m

Pending
Small
WORKS TO TREES WITH TREE PRESERVATION ORDER
8 Apr 20266/2026/0617/TPO
Hertfordshire Constabulary Central Area Headquarters And Hatfield Police Station Comet Way Hatfield AL10 9SJWelwyn Hatfield

TPO 701 T9 - Remove limb with large hollow at approximately 2m SE side. T10 - Remove large central limb growing towards police station. See report and climbing inspection

Pending
Small
ADVERT CONSENT
7 Apr 20266/2026/0596/ADV
9 Harpsfield Broadway Hatfield AL10 9TFWelwyn Hatfield

Advertisement consent for the retention of one internally illuminated fascia sign and one internally illuminated projecting box sign

Permitted
Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
31 Mar 20266/2026/0576/PN8
31 Crawford Road Hatfield AL10 0PFWelwyn Hatfield

Prior approval for the erection of single storey rear extension measuring 3.65m in depth, 2.85m in height and 2.85m to the eaves

Pending
HOUSEHOLDER APPLICATION
27 Mar 20266/2026/0562/HOUSE
47 Bramble Road Hatfield AL10 9RZWelwyn Hatfield

Conversion of garage with raising of roof

Pending
HOUSEHOLDER APPLICATION
26 Mar 20266/2026/0559/HOUSE
78 Travellers Lane Hatfield AL10 8SFWelwyn Hatfield

Erection of single storey front extension, raising of garage roof and raising of boundary walls with addition of trellis.

Pending
HOUSEHOLDER APPLICATION
26 Mar 20266/2026/0558/HOUSE
96 Birchwood Avenue Hatfield AL10 0PSWelwyn Hatfield

Erection of a part single-storey, part two storey side extension and a single storey rear extension, including associated internal reconfiguration, removal of chimney, and alterations to fenestration following demolition of outbuilding

Pending
HOUSEHOLDER APPLICATION
24 Mar 20266/2026/0538/HOUSE
18 Worcester Road Hatfield AL10 0DXWelwyn Hatfield

Erection of single storey rear extension and front lean to porch following the demolition of rear conservatory

Pending
FULL PERMISSION
16 Mar 20266/2026/0477/FULL
University Of Hertfordshire College Lane Campus College Lane Hatfield AL10 9ABWelwyn Hatfield

Installation of plant and machinery comprising Air Source Heat Pumps (ASHP), Electrical Panels and Variable Refrigerant Flow (VRF) systems to serve the Film, Music and Media Building at the College Lane Campus at University of Hertfordshire to contribute towards the University's decarbonisation programme

Permitted
LAWFUL DEVELOPMENT - PROPOSED
16 Mar 20266/2026/0470/LAWP
19 Selwyn Crescent Hatfield AL10 9NLWelwyn Hatfield

Certificate of lawfulness for alterations to roof, hip to gable and addition of a rear facing dormer

Pending
FULL PERMISSION
12 Mar 20266/2026/0458/FULL
1 Magpie Walk Hatfield AL10 8RFWelwyn Hatfield

Change of use of amenity land to parking, 2 new parking spaces and dropped kerb

Pending
HOUSEHOLDER APPLICATION
11 Mar 20266/2026/0442/HOUSE
The Oak Tree Ellenbrook Lane Hatfield AL10 9NTWelwyn Hatfield

Part conversion of detached outbuilding to an annexe, alteration to fenestration and the roof and installation of solar panels to the roof of the outbuilding.

Permitted
LAWFUL DEVELOPMENT - PROPOSED
10 Mar 20266/2026/0440/LAWP
26 Peregrine Way Hatfield AL10 9UPWelwyn Hatfield

Certificate of lawfulness for erection of an outbuilding

Pending
FULL PERMISSION
9 Mar 20266/2026/0426/FULL
8 Hill Ley Hatfield AL10 8LXWelwyn Hatfield

Change of use from general amenity land to private driveway to accommodate parking for one vehicle with crossover

Pending
HOUSEHOLDER APPLICATION
6 Mar 20266/2026/0421/HOUSE
78 Hazel Grove Hatfield AL10 9DZWelwyn Hatfield

Erection of a first floor side extension

Pending
FULL PERMISSION
6 Mar 20266/2026/0419/FULL
15 Ely Close Hatfield AL10 0DWWelwyn Hatfield

Retrospective change of use from a dwellinghouse (use class C3) to a 4 bedroom HMO (use class C4) and installation of a bike shed

Pending
HOUSEHOLDER APPLICATION
6 Mar 20266/2026/0417/HOUSE
38 Dellfield Road Hatfield AL10 8EWWelwyn Hatfield

Erection of a single storey rear extension and part side wrap around and front porch extension

Pending
APPROVAL OF DETAILS RESERVED BY CONDITION
6 Mar 20266/2026/0416/COND
6 Bishops Close Hatfield AL10 9PWWelwyn Hatfield

Submission of details pursuant to condition 1 (Management Plan), on planning permission 6/2025/1834/FULL

Pending
APPROVAL OF DETAILS RESERVED BY CONDITION
5 Mar 20266/2026/0408/COND
14 Market Place Hatfield AL10 0LNWelwyn Hatfield

Submission of details pursuant of condition 1 (air ventilation, extraction and odour control systems) on planning permission 6/2023/0653/FULL

Pending
LAWFUL DEVELOPMENT - EXISTING
5 Mar 20266/2026/0406/LAWE
15 Wood Vale Hatfield AL10 8TTWelwyn Hatfield

Certificate of lawfulness for the existing use of the property as an HMO (6 Occupants - use class C4)

Permitted
FULL PERMISSION
2 Mar 20266/2026/0376/FULL
17-17a Town Centre Hatfield AL10 0JZWelwyn Hatfield

Single storey rear extension, extraction equipment to rear and installation of roller shutters

Pending
APPROVAL OF DETAILS RESERVED BY CONDITION
27 Feb 20266/2026/0365/COND
14 Town Centre Hatfield AL10 0JZWelwyn Hatfield

Submission of details pursuant to condition 14 (air ventilation, extraction and odour control systems) and condition 29 (Noise Assessment) on planning permission 6/2021/1987/VAR

Pending
Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
27 Feb 20266/2026/0366/PN8
8 Lemsford Road Hatfield AL10 0DHWelwyn Hatfield

Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.07m in height and 2.46m to the eaves following the demolition of existing outbuilding

Permitted
Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
26 Feb 20266/2026/0352/PN8
51 Crawford Road Hatfield AL10 0PFWelwyn Hatfield

Prior approval for the erection of a single storey rear extension measuring 6m in depth, 2.88m in height, 2.58m to the eaves, with insertion of roof lights

Pending
Class A – electronic communications code operators - PRIOR APPROVAL
26 Feb 20266/2026/0364/PN15
Land at Woods Avenue Hatfield AL10 8TYWelwyn Hatfield

Prior approval for the installation of a telecommunications base station comprising a 20m monopole supporting 9no antennas and 2 no dishes with wraparound cabinet at the base, together with 6 no equipment cabinets and ancillary development thereto

Pending
Small
APPROVAL OF DETAILS RESERVED BY CONDITION
23 Feb 20266/2026/0324/COND
Land at South Way Hatfield AL10 8HSWelwyn Hatfield

Submission of details pursuant to Condition 3 (Construction Management Plan) & Condition 7 (Landscape and Ecology Management Plan (LEMP)) on planning permission 6/2023/1532/OUTLINE

Pending
LAWFUL DEVELOPMENT - EXISTING
23 Feb 20266/2026/0336/LAWE
13 Wellfield Road Hatfield AL10 0BSWelwyn Hatfield

Certificate of lawfulness for the existing use of the application site for general industrial use, falling under use class B2

Pending
HOUSEHOLDER APPLICATION
23 Feb 20266/2026/0326/HOUSE
6 Manor Close Hatfield AL10 9LWWelwyn Hatfield

Erection of a single storey rear extension and replacement of window with door on side elevation

Pending
APPROVAL OF DETAILS RESERVED BY CONDITION
20 Feb 20266/2026/0321/COND
European Knowledge Centre Eisai Limited Mosquito Way Hatfield AL10 9SNWelwyn Hatfield

Submission of details pursuant to Conditions 1 (Construction Management Plan), 2 (Surface Water Drainage), 7 (Planting Methods and Soft Landscaping) and Condition 8 (Cycle Shelter and Cycle Provision) on planning permission 6/2022/1853/MAJ