Planning authority
Welwyn Hatfield planning applications
3,788 public planning records in the production OGL dataset, newest first, linked to council source pages.
Applications
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Welwyn Hatfield/6/2026/0928/LAWP
Osborne House Farm Hawkshead Road Little Heath Potters Bar EN6 1LX
Erection of a single detached 5 bedroom dwelling (Unit 24, Type G) with associated parking, access and landscaping pursuant to planning permission 6/2021/3304/MAJ dated 28 October 2022
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Welwyn Hatfield/6/2026/0977/EMT
7 Fern Grove Welwyn Garden City AL8 7ND
Reduce the yew tree by 30-35%.
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Welwyn Hatfield/6/2026/0984/TPO
16 Endymion Road Hatfield AL10 8AS
Multi-stem Laurel nobilis crown reduction by 30/40% to suitable growth points. TPO 1074 (2024)
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Welwyn Hatfield/6/2026/1001/EMT
6 Meadow Green, Welwyn Garden City, AL8 6SS
Leyland cypress hedge to reduce by approximately 3m in height.
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Welwyn Hatfield/6/2026/1002/EMT
5 Redwoods Welwyn Garden City AL8 7NR
1 x Hornbeam to reduce by around 1.5m height and width.
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Welwyn Hatfield/6/2026/1005/TC
6 Meadow Green Welwyn Garden City AL8 6SS
Leyland cypress hedge to reduce by approximately 3m in height
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Welwyn Hatfield/6/2026/1161/TPO
57 Peplins Way Brookmans Park AL9 7UR
5 DAY NOTICE: T1 Ash (///taped.excuse.inner) Removal of tree to ground level. (Covered by TPO 158 & 889 (2022))
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Welwyn Hatfield/6/2026/1168/COND
Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ
Submission of details pursuant to Condition 25 (SuDS) on planning permission 6/2023/0759/VAR
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Welwyn Hatfield/6/2026/1174/TC
2 Handside Lane Welwyn Garden City AL8 6SF
Leylandii to fell
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Welwyn Hatfield/6/2026/1175/HOUSE
5A Honeycroft Welwyn Garden City AL8 6HR
Erection of a single storey rear extension, alterations to opening on side elevation and garden room with covered area following demolition of conservatory
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Welwyn Hatfield/6/2026/1179/EMT
75 Rosedale, Welwyn Garden City, AL7 1DP
Reduce 1 x Oak by 1.5m in height and width
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Welwyn Hatfield/6/2026/1180/EMT
32 Lodgefield Welwyn Garden City AL7 1SD
1 x Weeping Willow to reduce by approximately 4m in height and 2m in width To maintain size and height for garden
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Welwyn Hatfield/6/2026/1181/COND
Land south of Welham Manor and west of Station Road, including 26 Station Road Welham Green AL9 7EL
Submission of details pursuant to Condition 14 (Construction Phase Surface Water Management Plan) on planning permission 6/2024/2418/MAJ
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Welwyn Hatfield/6/2026/0201/EM
12 The Valley Green Welwyn Garden City AL8 7DQ
Erection of ground floor rear extension following the removal of existing conservatory
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Welwyn Hatfield/6/2026/0843/HOUSE
57 Briars Lane Hatfield AL10 8EX
Formation of four dormers to front and a rear dormer to facilitate loft conversion
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Welwyn Hatfield/6/2026/0844/HOUSE
367 St Albans Road West Hatfield AL10 9RU
Erection of single storey front, side and rear extensions and extension to the existing garage
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Welwyn Hatfield/6/2026/1035/HOUSE
18 Coopers Road Little Heath Potters Bar EN6 1JQ
Erection of a first floor rear extension
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Welwyn Hatfield/6/2026/1160/HOUSE
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 rear elevation of the dwelling and alte...
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Welwyn Hatfield/6/2025/2628/EM
17 Ingles Welwyn Garden City AL8 7HE
Hard standing to the front of the property for two vehicles
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Welwyn Hatfield/6/2026/0318/FULL
Christchurch Baptist 110 Parkway Welwyn Garden City AL8 6HN
Installation of a Solar PV system on the flat roof section of the building
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Welwyn Hatfield/6/2026/0533/LAWP
Symonds Hyde Wood Symonds Hyde Hammonds Lane Hatfield AL10 9BB
Certificate of lawfulness for the proposed reinstatement of the woodland access / entry points off of Hammonds Lane to the north and into Furze Field to the South
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Welwyn Hatfield/6/2026/0636/EM
4 Ashley Close Welwyn Garden City AL8 7LH
Like for like replacement of front porch
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Welwyn Hatfield/6/2026/0809/LAWP
Ponsbourne Manor Hunters Lodge 7 The Ridings Newgate Street Village Hertford SG13 8QX
Certificate of lawfulness for the use of the land for siting a mobile home for use ancillary to the main dwelling
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Welwyn Hatfield/6/2026/1067/FULL
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
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Welwyn Hatfield/6/2026/1112/HOUSE
54 St Etheldredas Drive Hatfield AL10 8BZ
Proposed erection of a detached garden room/studio building within the rear garden
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Welwyn Hatfield/6/2025/2484/FULL
109 Woods Avenue Hatfield AL10 8QQ
Retrospective subdivision of flat into two separate dwellings
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Welwyn Hatfield/6/2026/0270/COND
38 The Grove Brookmans Park AL9 7RN
Submission of Details Pursuant to Condition 2 (Boundary Treatments) on Planning Permission 6/2025/0285/HOUSE
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Welwyn Hatfield/6/2026/0317/FULL
44 Howardsgate Welwyn Garden City AL8 6BW
Installation of a new entrance door in front facade of No 44
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Welwyn Hatfield/6/2026/0373/FULL
Kingsdale House Windsor Road Welwyn AL6 9LA
Installation of new external wall insulation, new flat roofing and new windows and doors
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Welwyn Hatfield/6/2026/0780/TPO
8 Oak Piece Welwyn AL6 0XE
Sweet Chestnut tree: under TPO 534, marked as T2 Remove Tree as it's technically dead (assessed by Ashley Grey of Ashley Trees)
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Welwyn Hatfield/6/2026/0804/HOUSE
6 Marsden Road Welwyn Garden City AL8 6XZ
Erection of part single, part two storey side extension
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Welwyn Hatfield/6/2026/0816/TC
35 Elmwood Welwyn Garden City AL8 6LD
T1 Yew – rear garden; south boundary; rooted in neighbours’ property (no.37); overhanging boundary. Reduce north side (overhanging garden) to reduce lateral spread by approx. 1.5m
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Welwyn Hatfield/6/2026/0837/TC
16 Pitsfield Welwyn Garden City AL8 7SJ
1 x Cherry to remove to ground level. Removing due to ongoing decline and low vigour
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Welwyn Hatfield/6/2026/0881/COND
29 The Grove Brookmans Park AL9 7RL
Submission of details pursuant to condition number 1 (material samples) and 2 (approved plans) on planning permission 6/2025/2477/HOUSE
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Welwyn Hatfield/6/2026/0884/TC
27 Sherrardspark Road Welwyn Garden City AL8 7JW
Tree species: Silver Wattle Number used on sketch plan: T2 Description of works: Removal T2 Silver Wattle is located very close to a building, and has the potential to outgrow its citation...
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Welwyn Hatfield/6/2026/0905/TC
74 Valley Road Welwyn Garden City AL8 7DP
Removal of dead Ash tree in the back of the garden- 5 day Notice
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Welwyn Hatfield/6/2026/0950/EMT
35 Attimore Road Welwyn Garden City Hertfordshire AL8 6LQ
Remove T1 Poplar.
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Welwyn Hatfield/6/2026/0959/EMT
170 Boundary Lane, Welwyn Garden City, AL7 4DF
G1 - Group of field maple and ash trees, crown reduce by 2-3m approx.
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Welwyn Hatfield/6/2026/0961/EMT
10 Howicks Green, Welwyn Garden City, AL7 4RH
T1 Goat Willow to fell to stump level as it is dying/dead. T2 Conifer hedge to fell.
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Welwyn Hatfield/6/2026/0969/TC
13 Handside Close Welwyn Garden City AL8 6SR
1 x Whitebeam to reduce by approximately 1.5m height and 1.2m width.
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Welwyn Hatfield/6/2026/0973/EMT
13 Handside Close Welwyn Garden City AL8 6SR
1 x Whitebeam to reduce by approximately 1.5m height and 1.2m width.
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Welwyn Hatfield/6/2026/1034/COND
Salisbury Square Salisbury Square Hatfield AL7 5AD
Submission of details pursuant to condition 17 (Accessible and Adaptable Homes) on planning application 6/2021/3422/MAJ
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Welwyn Hatfield/6/2026/1060/TC
20 Turmore Dale Welwyn Garden City AL8 6HS
Fell dead Rowan
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Welwyn Hatfield/6/2026/1157/EMT
72 Sweet Briar Welwyn Garden City AL7 3EA
1 x Beech to reduce by approx 2.5m height and width. Lift over cabin by 3m
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Welwyn Hatfield/6/2025/2062/FULL
46a Curzon Point The Common Hatfield AL10 0LU
Change of use to allow for private residential use (HMO) at purpose built student accommodation
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Welwyn Hatfield/6/2025/2133/FULL
58 Bell Lane Brookmans Park AL9 7AY
Erection of two dwellings with associated access, parking, amenity space and landscaping following demolition of existing bungalow
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Welwyn Hatfield/6/2026/0598/EM
122 The Commons Welwyn Garden City AL7 4SB
Conversion of garage to use as a dining room, as well as a glazed veranda & gazebo
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Welwyn Hatfield/6/2026/0633/EM
293 Knightsfield Welwyn Garden City AL8 7NH
Broadening of driveway to allow space for one more vehicle, no change to kerb
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Welwyn Hatfield/6/2026/0727/HOUSE
34 Northaw Road East Cuffley Potters Bar EN6 4LL
Erection of a single storey rear extension and front extension, part single storey, part two storey side extension, alterations to the roof including the enlargement and replacement of exis...
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Welwyn Hatfield/6/2026/0793/EM
41 Rowans Welwyn Garden City AL7 1NZ
Erection of rear extension plus retrospective permission for a shed
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Welwyn Hatfield/6/2026/0795/EM
8 Dawley Welwyn Garden City AL7 1DZ
Erection of single storey side extension
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Welwyn Hatfield/6/2026/0799/ADV
Premier Inn Lemsford Road Hatfield AL10 0DA
Installation of one internally illuminated fascia sign
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Welwyn Hatfield/6/2026/0817/HOUSE
33 Bradmore Way Brookmans Park AL9 7QY
Extensions to the existing roof to form a crown roof, with rear dormer, insertion of rooflights and single storey side and rear extension
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Welwyn Hatfield/6/2026/1020/FULL
Tolmers Park Farm Newgate Street Hertford SG13 8RG
Erection of dwelling with carport
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Welwyn Hatfield/6/2026/1124/FULL
39 The Ridgeway Northaw EN6 4BD
Proposed construction of new house and garage following demolition of existing house and garage
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Welwyn Hatfield/6/2026/1144/EMT
74 Valley Road Welwyn Garden City AL8 7DP
Removal of dead Ash tree in the back of the garden- 5 day Notice
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Welwyn Hatfield/6/2026/1148/EMT
2 Handside Lane Welwyn Garden City AL8 6SF
Removal of 1 x Leylandii tree in back garden
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Welwyn Hatfield/6/2026/1150/HOUSE
47 Puttocks Drive Welham Green Hatfield AL9 7LW
Erection of a single storey rear extension
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Welwyn Hatfield/6/2026/0150/HOUSE
12 The Valley Green Welwyn Garden City AL8 7DQ
Erection of a single storey rear extension following the demolition of the existing conservatory
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Welwyn Hatfield/6/2026/0726/HOUSE
9 Lanercost Close Welwyn AL6 0RW
Erection of a single-storey rear extension with lantern rooflight; erection of a timber pergola on raised patio; replacement of existing windows and doors with black aluminium windows and d...