Planning Applications in AL10

Planning authority: Welwyn Hatfield Borough Council

Search current and historic planning applications in the AL10 postcode district in Welwyn Hatfield - 67 in the last 90 days. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Showing 50 of 67 applications
6/2026/0656/FULL 25 Jul 2026 Withdrawn

De Havilland Campus Hertfordshire Sports Village Mosquito Way Hatfield AL10 9EU

Conversion of existing tennis courts to 4 uncovered padel courts with erection of ancillary container

Welwyn Hatfield 25 Jul 2026
6/2026/0693/LAWP 25 Jul 2026 Approved

14 Jasmine Gardens Hatfield AL10 0BQ

Certificate of lawfulness for the proposed installation of a new window into the first floor side elevation

Welwyn Hatfield 25 Jul 2026
6/2026/0718/PN8 25 Jul 2026 Decided

8 Lemsford Road Hatfield AL10 0DH

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 demoliti...

Welwyn Hatfield 25 Jul 2026
6/2026/1219/LAWP 13 Jul 2026 Pending

57 Briars Lane Hatfield AL10 8EX

Certificate of lawfulness for a proposed loft conversion with the installation of a rear dormer and four rooflights in the front elevation

Welwyn Hatfield 13 Jul 2026
6/2026/1189/LAWE 8 Jul 2026 Pending

7 Ely Close Hatfield AL10 0DW

Certificate of lawfulness for the existing use of the property as a HMO (C4)

Welwyn Hatfield 8 Jul 2026
6/2026/1168/COND 6 Jul 2026 Pending

Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ

Submission of details pursuant to Condition 25 (SuDS) on planning permission 6/2023/0759/VAR

Welwyn Hatfield 6 Jul 2026
6/2026/1160/HOUSE 3 Jul 2026 Pending

2 Sycamore Avenue Hatfield AL10 8LZ

Installation of a sliding front boundary gate, raising the roof height and converting the garage into habitable use, installation of a pergola to the ...

Welwyn Hatfield 3 Jul 2026
6/2026/1142/HOUSE 1 Jul 2026 Pending

77 Jasmine Gardens Hatfield AL10 0BN

Erection of a front boundary timber fence

Welwyn Hatfield 1 Jul 2026
6/2026/1132/LAWE 30 Jun 2026 Pending

19 Cunningham Avenue Hatfield AL10 9LR

Certificate of existing lawfulness of a 5 person HMO since 6 April 2006

Welwyn Hatfield 30 Jun 2026
6/2026/1112/HOUSE 26 Jun 2026 Pending

54 St Etheldredas Drive Hatfield AL10 8BZ

Proposed erection of a detached garden room/studio building within the rear garden

Welwyn Hatfield 26 Jun 2026
6/2026/1092/LAWP 24 Jun 2026 Pending

37 Cecil Crescent Hatfield AL10 0HG

Certificate of lawfulness for loft conversion

Welwyn Hatfield 24 Jun 2026
6/2026/1075/HOUSE 22 Jun 2026 Pending

34 Heron Way Hatfield AL10 8QX

Erection of rear/side infill extension with garage conversion

Welwyn Hatfield 22 Jun 2026
6/2026/1079/COND 22 Jun 2026 Pending

13 Flamingo Close Hatfield AL10 9LU

Submission of details pursuant to condition 1 (Landscaping) on planning permission 6/2025/1850/FULL

Welwyn Hatfield 22 Jun 2026
6/2026/1066/ADV 18 Jun 2026 Pending

Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS

Installation of 4 x non-illuminated fascia signs

Welwyn Hatfield 18 Jun 2026
6/2026/1040/COND 15 Jun 2026 Approved

1 Town Centre Hatfield AL10 0JZ

Submission of details pursuant to Condition 23 (first use of the commercial element) on planning permission 6/2021/1987/VAR

Welwyn Hatfield 15 Jun 2026
6/2026/1031/HOUSE 12 Jun 2026 Pending

17 Sycamore Avenue Hatfield AL10 8LZ

Erection of a part single storey, part two-storey rear extension, garage conversion, front porch extension, alterations to fenestration and external m...

Welwyn Hatfield 12 Jun 2026
6/2026/1024/FULL 10 Jun 2026 Pending

8 Harpsfield Broadway Hatfield Hertfordshire AL10 9TF

Retention of storage container for frozen food ancillary to shop use

Welwyn Hatfield 10 Jun 2026
6/2026/1013/HOUSE 9 Jun 2026 Pending

77 Holme Road Hatfield AL10 9LG

Erection of a single storey rear/side extension and garage conversion with alterations to the fenestration

Welwyn Hatfield 9 Jun 2026
6/2026/1018/LAWP 9 Jun 2026 Pending

Dickson House Clayton House Forum House Lemsford Road Hatfield AL10 0FE

Certificate of lawfulness to replace existing external cladding, cavity barriers and insulation to all facades with alternative non-combustible materi...

Welwyn Hatfield 9 Jun 2026
6/2026/1006/LAWP 8 Jun 2026 Pending

15 Worcester Road Hatfield AL10 0DU

Certificate of lawfulness for the erection of a single-storey rear extension, removal of the chimney, and associated internal alterations

Welwyn Hatfield 8 Jun 2026
6/2026/0984/TPO 4 Jun 2026 Approved

16 Endymion Road Hatfield AL10 8AS

Multi-stem Laurel nobilis crown reduction by 30/40% to suitable growth points. TPO 1074 (2024)

Welwyn Hatfield 4 Jun 2026
6/2026/0985/COND 4 Jun 2026 Pending

Land at South Way Hatfield AL10 8HS

Submission of details pursuant of condition 5 (archaeology)) on planning permission 6/2023/1532/OUTLINE

Welwyn Hatfield 4 Jun 2026
6/2026/0986/LAWE 4 Jun 2026 Pending

21 Freemans Acre Hatfield AL10 9JJ

Certificate of lawfulness for the existing use of the property as a HMO

Welwyn Hatfield 4 Jun 2026
6/2026/0987/LAWP 4 Jun 2026 Approved

57 Briars Lane Hatfield AL10 8EX

Certificate of lawfulness for proposed alterations to the existing carport and garden room

Welwyn Hatfield 4 Jun 2026
6/2026/0865/FULL 3 Jun 2026 Pending

Land Outside 92 Town Centre Hatfield AL10 0JW

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

Welwyn Hatfield 3 Jun 2026
6/2026/0960/FULL 1 Jun 2026 Pending

15 Tiger Moth Way Hatfield AL10 9LT

Change of use of general amenity land to residential garden and erection of a 2 metre high timber boundary fence following removal of existing hedge a...

Welwyn Hatfield 1 Jun 2026
6/2026/0948/HOUSE 29 May 2026 Refused

55 Wood Common Hatfield AL10 0UE

Erection of part single, part two storey rear extension and installation of two windows within the right elevation.

Welwyn Hatfield 29 May 2026
6/2026/0932/LAWP 27 May 2026 Approved

169 Bishops Rise Hatfield AL10 9EP

Certificate of lawfulness for the erection of a single storey rear extension

Welwyn Hatfield 27 May 2026
6/2026/0909/ADV 21 May 2026 Pending

The Galleria Land Securities Comet Way Hatfield AL10 0XR

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

Welwyn Hatfield 21 May 2026
6/2026/0910/FULL 21 May 2026 Pending

The Galleria Land Securities Comet Way Hatfield AL10 0XR

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

Welwyn Hatfield 21 May 2026
6/2026/0894/FULL 20 May 2026 Pending

14 Town Centre Hatfield AL10 0JZ

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

Welwyn Hatfield 20 May 2026
6/2026/0895/PN8 20 May 2026 Decided

29 Roe Green Lane Hatfield AL10 0SH

Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.8m to the eaves following demolition of de...

Welwyn Hatfield 20 May 2026
6/2026/0896/EM 20 May 2026 Withdrawn

5 Maryland Hatfield AL10 8DY

Installation of hardstanding

Welwyn Hatfield 20 May 2026
6/2026/0887/ADV 19 May 2026 Pending

The Galleria Land Securities Comet Way Hatfield AL10 0XR

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

Welwyn Hatfield 19 May 2026
6/2026/0888/FULL 19 May 2026 Pending

The Galleria Land Securities Comet Way Hatfield AL10 0XR

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

Welwyn Hatfield 19 May 2026
6/2026/0889/ADV 19 May 2026 Pending

The Galleria Land Securities Comet Way Hatfield AL10 0XR

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

Welwyn Hatfield 19 May 2026
6/2026/0890/FULL 19 May 2026 Pending

The Galleria Land Securities Comet Way Hatfield AL10 0XR

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

Welwyn Hatfield 19 May 2026
6/2026/0867/ADV 18 May 2026 Pending

Land Outside 19 Town Centre Hatfield AL10 0JT

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

Welwyn Hatfield 18 May 2026
6/2026/0868/FULL 18 May 2026 Pending

Land Outside 19 Town Centre Hatfield AL10 0JT

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

Welwyn Hatfield 18 May 2026
6/2026/0865/ADV 15 May 2026 Pending

Land Outside 92 Town Centre Hatfield AL10 0JW

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

Welwyn Hatfield 15 May 2026
6/2026/0855/PN8 14 May 2026 Decided

33 Roe Green Lane Hatfield AL10 0SH

Prior approval for the erection of a single storey ground floor rear extension measuring 8m in depth, 2.92m in height and 2.81m to the eaves

Welwyn Hatfield 14 May 2026
6/2026/0842/HOUSE 13 May 2026 Approved

57 Briars Lane Hatfield AL10 8EX

Erection of a single storey side extension

Welwyn Hatfield 13 May 2026
6/2026/0843/HOUSE 13 May 2026 Refused

57 Briars Lane Hatfield AL10 8EX

Formation of four dormers to front and a rear dormer to facilitate loft conversion

Welwyn Hatfield 13 May 2026
6/2026/0844/HOUSE 13 May 2026 Approved

367 St Albans Road West Hatfield AL10 9RU

Erection of single storey front, side and rear extensions and extension to the existing garage

Welwyn Hatfield 13 May 2026
6/2026/0848/PN8 13 May 2026 Decided

45 Garden Avenue Hatfield AL10 8LL

Prior approval for the erection of a single storey rear extension measuring 5.5m in depth, 3.25m in height and 3m to the eaves following the demolitio...

Welwyn Hatfield 13 May 2026
6/2026/0827/HOUSE 12 May 2026 Refused

14 Birch Drive Hatfield AL10 8NX

Erection of part single and part two storey rear extension, two storey side extension and a single storey front porch following demolition of the exis...

Welwyn Hatfield 12 May 2026
6/2026/0831/HOUSE 12 May 2026 Approved

16 Spring Glen Hatfield AL10 8HD

Erection of part single, part two storey rear extension and front extension and rendering to the external elevations and alterations to the side exten...

Welwyn Hatfield 12 May 2026
6/2026/0814/COND 11 May 2026 Approved

University Of Hertfordshire College Lane Hatfield AL10 9AB

Submission of details pursuant to Condition 1 (Biodiversity Gain Plan), 2 (HMMP) and 9 (Landscaping) on planning permission 6/2025/1974/MAJ

Welwyn Hatfield 11 May 2026
6/2026/0819/LAWE 11 May 2026 Withdrawn

57 Briars Lane Hatfield AL10 8EX

Certificate of lawfulness for the retention of outbuilding/ carport in front garden and outbuilding in rear garden

Welwyn Hatfield 11 May 2026
6/2026/0798/COND 6 May 2026 Approved

University Of Hertfordshire College Lane Hatfield AL10 9AB

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

Welwyn Hatfield 6 May 2026
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Data updated daily. Source: Welwyn Hatfield Borough Council planning portal.