Planning applications in Welwyn Hatfield

197 last 90 days
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47 last 30 days
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10 last 14 days
Extensions & alterations
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Showing 50 of 197 applications
6/2026/1113/HOUSE 29 Jun 2026 Pending

16 Birkin Court Welwyn Garden City AL7 3FA

Erection of a single storey rear extension

Welwyn Hatfield 29 Jun 2026
6/2026/1125/PN8 29 Jun 2026 Pending

39 The Ridgeway Northaw EN6 4BD

Prior approval for the erection of a single storey rear extension measuring 8m in depth, 4m in height and 3m to the eaves

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
6/2026/1099/HOUSE 25 Jun 2026 Pending

10 Windsor Close Welwyn AL6 9JZ

Erection of a single storey front extension with alterations to fenestration following the demolition of existing front porch

Welwyn Hatfield 25 Jun 2026
6/2026/1104/EM 25 Jun 2026 Pending

31 Linkfield Welwyn Garden City AL7 4DN

Replacement of roof and frames to existing conservatory to the rear of the property

Welwyn Hatfield 25 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
6/2026/1087/HOUSE 23 Jun 2026 Pending

47 Dixons Hill Close Welham Green Hatfield AL9 7EF

Erection of a single storey rear extension and a single storey side extension following the demolition of an existing detached shed and an attached W....

Welwyn Hatfield 23 Jun 2026
6/2026/1088/LB 23 Jun 2026 Pending

47 Dixons Hill Close Welham Green Hatfield AL9 7EF

Erection of a single storey rear extension, single storey side extension and internal alterations following the demolition of an existing detached she...

Welwyn Hatfield 23 Jun 2026
6/2026/1074/HOUSE 22 Jun 2026 Pending

10 Pinewood Welwyn Garden City AL7 3TL

Erection of a single storey side and rear extension following demolition of existing outbuilding

Welwyn Hatfield 22 Jun 2026
6/2026/1069/EM 19 Jun 2026 Pending

17 Attimore Road Welwyn Garden City AL8 6LH

Changes to the fenestration to the site and rear elevation

Welwyn Hatfield 19 Jun 2026
6/2026/1071/EM 19 Jun 2026 Pending

38 Reddings Welwyn Garden City AL8 7LA

Replacement of the failing roof system, including removal of existing steel roof panels, insulation and associated coverings, installation of new 130m...

Welwyn Hatfield 19 Jun 2026
6/2026/1070/HOUSE 19 Jun 2026 Pending

13 Lady Grove Welwyn Garden City AL7 4DS

Erection of single storey side extension

Welwyn Hatfield 19 Jun 2026
6/2026/1067/FULL 19 Jun 2026 Pending

The North Star 82 Great North Road Welwyn AL6 0TA

Use of an existing flat roof as a first-floor teaching terrace and installation of an external fire escape staircase

Welwyn Hatfield 19 Jun 2026
6/2026/1062/HOUSE 18 Jun 2026 Pending

100 Cole Green Lane Welwyn Garden City AL7 3JD

Erection of rear single storey extension following demolition of brick-built store

Welwyn Hatfield 18 Jun 2026
6/2026/1064/LAWP 18 Jun 2026 Pending

57 Broadwater Crescent Welwyn Garden City AL7 3TS

Certificate of lawfulness for proposed front hardstanding and vehicle crossover

Welwyn Hatfield 18 Jun 2026
6/2026/1052/FULL 17 Jun 2026 Pending

Unit 3 Woodside Lane Hatfield AL9 6DE

Retention of an extension to the existing building and the erection of a rear extension following demolition of existing buildings (part retrospective...

Welwyn Hatfield 17 Jun 2026
6/2026/1051/EM 16 Jun 2026 Pending

37 Longcroft Lane Welwyn Garden City AL8 6EB

Replacement of exisiting driveway with widened permeable resin bound gravel hardstanding

Welwyn Hatfield 16 Jun 2026
6/2026/1045/LAWP 16 Jun 2026 Pending

6 The Gardens Brookmans Park AL9 7UL

Certificate of lawfulness for the conversion of garage, elevational changes to front and rear elevations and new roof lights

Welwyn Hatfield 16 Jun 2026
6/2026/1039/EM 15 Jun 2026 Pending

21 Fearnley Road Welwyn Garden City AL8 6HW

Erection of a single-storey detached garden room (outbuilding) measuring 4.0 m × 3.0 m with a mono-pitch roof to a maximum height of 2.40 m sited in t...

Welwyn Hatfield 15 Jun 2026
6/2026/1041/EM 15 Jun 2026 Pending

5 Daniells Welwyn Garden City AL7 1QY

Replace existing concrete driveway with resin bound gravel

Welwyn Hatfield 15 Jun 2026
6/2026/1036/LAWE 15 Jun 2026 Withdrawn

25 Bluebells Welwyn AL6 0XD

Certificate of Lawfulness for the erection of a first floor external balcony to the rear of the house

Welwyn Hatfield 15 Jun 2026
6/2026/1038/HOUSE 15 Jun 2026 Pending

55 Garden Road Woolmer Green SG3 6JZ

Erection of a part two/single storey side and rear extension and new front porch following the demolition of existing single storey side extension and...

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
6/2026/1035/HOUSE 12 Jun 2026 Pending

18 Coopers Road Little Heath Potters Bar EN6 1JQ

Erection of a first floor rear extension

Welwyn Hatfield 12 Jun 2026
6/2026/1029/LAWP 11 Jun 2026 Pending

Sunnyside Essendon Hill Essendon Hatfield AL9 6AJ

Certificate of lawfulness for proposed outbuilding

Welwyn Hatfield 11 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
6/2026/1026/HOUSE 10 Jun 2026 Pending

1 Rose Mead Little Heath Potters Bar EN6 1JP

Single storey front and rear extensions and first floor side extension

Welwyn Hatfield 10 Jun 2026
6/2026/1012/HOUSE 9 Jun 2026 Pending

3 Burleigh Way Cuffley Potters Bar EN6 4LJ

Erection of side dormers and front and rear hip-to-gable enlargement to facilitate loft conversion to habitable space, installation of windows, format...

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

13 Greenfield Hatfield AL9 5HW

Erection of two-storey front extension

Welwyn Hatfield 9 Jun 2026
6/2026/1016/EM 9 Jun 2026 Pending

32 Brockswood Lane Welwyn Garden City AL8 7BG

Erection of single-storey rear extension, new outbuilding and extended driveway

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
6/2026/1010/LAWP 9 Jun 2026 Pending

5 Brookside Crescent Cuffley Potters Bar EN6 4QW

Certificate of lawfulness for loft extension with side dormers and the addition of two rooflights to the front roof space and one to the rear

Welwyn Hatfield 9 Jun 2026
6/2026/1015/HOUSE 9 Jun 2026 Pending

2 Waterworks Cottages Northaw Road East Cuffley Potters Bar EN6 4RB

Erection of open porch, alteration to fenestration, raised rear patio and installation of hipped roofs above the exising front elelvation bay windows.

Welwyn Hatfield 9 Jun 2026
6/2026/1011/HOUSE 9 Jun 2026 Pending

5 Brookside Crescent Cuffley Potters Bar EN6 4QW

Erection of two storey rear extension, single storey side extension, new porch, additions/alterations to windows on side elevation and demolition of g...

Welwyn Hatfield 9 Jun 2026
6/2026/1017/FULL 9 Jun 2026 Pending

The Brookmans Park Estate Brookmans Park Hertfordshire

Hardstanding and highway access upgrade

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
6/2026/0998/HOUSE 8 Jun 2026 Pending

41 Lemsford Lane Welwyn Garden City AL8 6YN

Erection of a single storey side/rear extension following the demolition of existing outbuilding

Welwyn Hatfield 8 Jun 2026
6/2026/1007/EM 8 Jun 2026 Pending

123 Blythway Welwyn Garden City AL7 1DN

Removal of severely damaged hedge and replace with 3 ft picket fence with hedgerow behind

Welwyn Hatfield 8 Jun 2026
6/2026/0997/HOUSE 8 Jun 2026 Pending

67 Howicks Green Welwyn Garden City AL7 4RJ

Erection of a single storey rear and front extensions

Welwyn Hatfield 8 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
6/2026/0999/HOUSE 8 Jun 2026 Pending

51 Birchall Wood Welwyn Garden City AL7 2HL

Erection of two storey front extension

Welwyn Hatfield 8 Jun 2026
6/2026/0995/PN8 5 Jun 2026 Pending

2 Corner View Welham Green Hatfield AL9 7DH

Prior approval for a single storey rear extension measuring 4m in depth, 2.2m to the eaves and the maximum height of 3.6m

Welwyn Hatfield 5 Jun 2026
6/2026/0993/LAWP 5 Jun 2026 Pending

57 Tolmers Road Cuffley Potters Bar EN6 4JG

Certificate of lawfulness for erection of an outbuilding (summer house)

Welwyn Hatfield 5 Jun 2026
6/2026/0987/LAWP 4 Jun 2026 Pending

57 Briars Lane Hatfield AL10 8EX

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

Welwyn Hatfield 4 Jun 2026
6/2026/0989/LAWP 4 Jun 2026 Pending

2 Parsonage Lane Welham Green Hatfield AL9 7LU

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

Welwyn Hatfield 4 Jun 2026
6/2026/0975/HOUSE 3 Jun 2026 Pending

4 Northwood Welwyn Garden City AL7 2PX

Erection of single storey rear extension and open pergola following demolition of conservatory

Welwyn Hatfield 3 Jun 2026
6/2026/0983/EM 3 Jun 2026 Pending

8 Beehive Green Welwyn Garden City AL7 4BE

Installation of solar panels and changes to fenestration

Welwyn Hatfield 3 Jun 2026
6/2026/0963/HOUSE 2 Jun 2026 Pending

21 Landbeach Welwyn Garden City AL7 2QB

Erection of single side and rear extensions

Welwyn Hatfield 2 Jun 2026
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Latest application from Welwyn Hatfield: 7 Jul 2026. We check the council's portal daily.