Planning Applications in Hatfield, Hertfordshire

Planning authority: Welwyn Hatfield Borough Council

Search current and historic planning applications in Hatfield, Hertfordshire, published by Welwyn Hatfield Borough Council - 94 in the last 90 days. Explore them on the map, apply detailed filters, or receive free alerts for new proposals.

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Showing 50 of 94 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6/2026/0656/FULL 25 Jul 2026 Withdrawn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
6/2026/0733/FULL 25 Jul 2026 Pending

Tylersley Farm Tylers Causeway Newgate Street Hertford SG13 8QN

Erection of two dwellings together with car parking and landscaping following the demolition of existing bungalow

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
6/2026/1231/FULL 13 Jul 2026 Pending

St Johns Church Of England Jmi School Lemsford Village Lemsford Welwyn Garden City AL8 7TR

Installation of new fencing and gates across the school boundary adjacent to the main road

Welwyn Hatfield 13 Jul 2026
6/2026/1201/TC 10 Jul 2026 Pending

Park Close Hatfield AL9 5AY

Reduce crowns of 2 Apple trees by approx 2m, crown thin, remove water shoots, and crown lift to achieve 2.5–3m clearance above ground level

Welwyn Hatfield 10 Jul 2026
6/2026/1207/FULL 10 Jul 2026 Pending

Lower Woodside Farm Lower Woodside Woodside Lane Hatfield AL9 6DH

Erection of two new general purpose agricultural buildings within existing farmyard

Welwyn Hatfield 10 Jul 2026
6/2026/1191/COND 9 Jul 2026 Pending

Long Arm Short Arm 18 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

Submission of details pursuant of condition 3 (ground investigation), condition 5 (construction method statement), condition 8 (detailed section), con...

Welwyn Hatfield 9 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
6/2026/1164/FULL 6 Jul 2026 Pending

Brocket Park Brocket Hall Marford Road Lemsford Welwyn Garden City AL8 7XG

Retention of driving range and conversion of Warren Farm Barn

Welwyn Hatfield 6 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
6/2026/1122/COND 29 Jun 2026 Pending

Land adjacent to 42 Lemsford Village Lemsford Welwyn Garden City AL8 7TR

Submission of details pursuant of condition 5 (external materials) on planning permission 6/2025/1228/FULL

Welwyn Hatfield 29 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
6/2026/1027/ADV 11 Jun 2026 Pending

Stellantis & You Hatfield 1 Great North Road Hatfield AL9 5JA

Alterations to external elevations including painting of existing cladding & shopfronts, installation of new signage and alterations to vehicle parkin...

Welwyn Hatfield 11 Jun 2026
6/2026/1028/FULL 11 Jun 2026 Pending

Stellantis &You Hatfield 1 Great North Road Hatfield AL9 5JA

Alterations to external elevations including painting of existing cladding & shopfronts, installation of new signage and alterations to vehicle parkin...

Welwyn Hatfield 11 Jun 2026
6/2026/1020/FULL 10 Jun 2026 Pending

Tolmers Park Farm Newgate Street Hertford SG13 8RG

Erection of dwelling with carport

Welwyn Hatfield 10 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
6/2026/1009/LB 9 Jun 2026 Pending

Brocket Park, Warren Farm Marford Road Lemsford Welwyn Garden City AL8 7XG

Erection of two single storey extensions and fenestration changes to existing dairy and outbuilding

Welwyn Hatfield 9 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
6/2026/1014/HOUSE 9 Jun 2026 Pending

13 Greenfield Hatfield AL9 5HW

Erection of two-storey front extension

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
6/2026/0986/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
6/2026/0981/ADV 3 Jun 2026 Pending

Tesco Superstore Great North Road Hatfield AL9 5JY

Installation of one self service laundry kiosk to Tesco superstore curtilage

Welwyn Hatfield 3 Jun 2026
6/2026/0982/FULL 3 Jun 2026 Approved

Tesco Superstore Great North Road Hatfield AL9 5JY

Installation of one self service laundry kiosk to Tesco superstore curtilage

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
6/2026/0942/COND 29 May 2026 Pending

The Coach and Horses 61 Newgate Street Village Hertford SG13 8RA

Submission of details pursuant to condition number 1 (Construction Method Statement) & 2 (Archaeological Written Scheme of Investigation) on planning ...

Welwyn Hatfield 29 May 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
6/2026/0934/HOUSE 28 May 2026 Approved

2 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

Erection of a single storey front porch extension

Welwyn Hatfield 28 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
6/2026/0925/VAR 26 May 2026 Pending

Home Farm 15 New Park Road Newgate Street Hertford SG13 8RD

Variation of condition 2 (habitat management and monitoring Plan) on planning permission 6/2025/0232/FULL

Welwyn Hatfield 26 May 2026
6/2026/0904/HOUSE 21 May 2026 Approved

7 Greenfield Hatfield AL9 5HW

Erection of a single storey rear extension, conversion of double integral garage, covered porch, replacement front dormer and erection of new boundary...

Welwyn Hatfield 21 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
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Data updated daily. Source: Welwyn Hatfield Borough Council planning portal.