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/6/2026/0786/EMT
31 Stoneycroft Welwyn Garden City AL7 1QU
T1 Leylandii conifer to fell
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Welwyn Hatfield/6/2026/0872/LAWE
34 Brookside Crescent Cuffley Potters Bar EN6 4QN
Certificate of lawfulness for an existing garage conversion being used as a home office with alterations to the front elevation and erection of storage shed (side/rear extension)
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Welwyn Hatfield/6/2026/0935/EM
1 Little Wade Welwyn Garden City AL7 4LE
Erection of front porch
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Welwyn Hatfield/6/2026/0981/ADV
Tesco Superstore Great North Road Hatfield AL9 5JY
Installation of one self service laundry kiosk to Tesco superstore curtilage
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Welwyn Hatfield/6/2026/0982/FULL
Tesco Superstore Great North Road Hatfield AL9 5JY
Installation of one self service laundry kiosk to Tesco superstore curtilage
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Welwyn Hatfield/6/2026/0996/FULL
Alter Ego Dance Studio 169 Knightsfield Welwyn Garden City AL8 7QG
Erection of 6 new dwellings with associated vehicle access following demolition of existing building
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Welwyn Hatfield/6/2026/1007/EM
123 Blythway Welwyn Garden City AL7 1DN
Removal of severely damaged hedge and replace with 3 ft picket fence with hedgerow behind
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Welwyn Hatfield/6/2026/1009/LB
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
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Welwyn Hatfield/6/2026/1010/LAWP
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
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Welwyn Hatfield/6/2026/1011/HOUSE
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 garage
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Welwyn Hatfield/6/2026/1012/HOUSE
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, formation of roofs over front bay windows and...
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Welwyn Hatfield/6/2026/1013/HOUSE
77 Holme Road Hatfield AL10 9LG
Erection of a single storey rear/side extension and garage conversion with alterations to the fenestration
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Welwyn Hatfield/6/2026/1014/HOUSE
13 Greenfield Hatfield AL9 5HW
Erection of two-storey front extension
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Welwyn Hatfield/6/2025/1110/COND
73 Bridge Road East Welwyn Garden City AL7 1UT
Submission of details pursuant to condition number 5 (Roads, footways, foul and surface water drainage), 6 (Hard surfaced on-site vehicular areas) and 9 (Drainage scheme) on planning permis...
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Welwyn Hatfield/6/2025/1850/FULL
13 Flamingo Close Hatfield AL10 9LU
Change of Use from Use Class C3 (dwellinghouse) to a sui generis HMO comprising 7 bedrooms with ensuites, 6 kitchenettes and 4 parking spaces with landscaping changes
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Welwyn Hatfield/6/2026/0568/FULL
17A The Broadway Hatfield AL9 5HZ
Installation of air conditioning condenser floor mounted to the rear of the building
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Welwyn Hatfield/6/2026/0634/TPO
10 Parkside Welwyn AL6 9DQ
T1 Atlas Cedar to crown lift smaller diameter branches of no more than 3cm diameter to clear 2.5-3m from ground level and to prune branches touching the garage block to achieve a 0.5m clear...
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Welwyn Hatfield/6/2026/0657/HOUSE
88 Attimore Road Welwyn Garden City AL8 6LP
Erection of single storey rear/side infill and rear extension, first floor side/rear extension, garage conversion including 1.5m extension and raising of roof, alteration to side elevation...
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Welwyn Hatfield/6/2026/0698/COND
Verge in highway on Great North Road Welwyn Garden City AL8 7TJ
Submission of details pursuant to Condition 1 (Construction Traffic Management Plan) on planning permission 6/2025/1893/FULL
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Welwyn Hatfield/6/2026/0745/LB
14 Fore Street Hatfield AL9 5AH
Repointing of the principal front elevation. Localised repointing of approximately 2m of brickwork in the rear gable. Replacement of 20 damaged bricks to the chimney stacking reclaimed bric...
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Welwyn Hatfield/6/2026/0986/LAWE
21 Freemans Acre Hatfield AL10 9JJ
Certificate of lawfulness for the existing use of the property as a HMO
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Welwyn Hatfield/6/2026/0989/LAWP
2 Parsonage Lane Welham Green Hatfield AL9 7LU
Certificate of lawfulness for the erection of a single storey rear extension
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Welwyn Hatfield/6/2026/0991/FULL
1 Hollybush Close Welwyn AL6 0PZ
Erection of single detached 3 bedroom dwelling to the North East of the original dwelling
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Welwyn Hatfield/6/2026/0995/PN8
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
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Welwyn Hatfield/6/2026/0997/HOUSE
67 Howicks Green Welwyn Garden City AL7 4RJ
Erection of a single storey rear and front extensions
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Welwyn Hatfield/6/2026/0998/HOUSE
41 Lemsford Lane Welwyn Garden City AL8 6YN
Erection of a single storey side/rear extension following the demolition of existing outbuilding
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Welwyn Hatfield/6/2026/0999/HOUSE
51 Birchall Wood Welwyn Garden City AL7 2HL
Erection of two storey front extension
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Welwyn Hatfield/6/2026/1006/LAWP
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
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Welwyn Hatfield/6/2026/0285/LB
Hatfield Police Station Comet Way Hatfield AL10 9SJ
Installation of various illuminated signage and logos mounted on standalone totems and building façade
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Welwyn Hatfield/6/2026/0531/EM
28 Beehive Lane Welwyn Garden City AL7 4BQ
Replacement of aluminium windows to energy efficient UPVC windows
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Welwyn Hatfield/6/2026/0538/HOUSE
18 Worcester Road Hatfield AL10 0DX
Erection of single storey rear extension and front lean to porch following the demolition of rear conservatory
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Welwyn Hatfield/6/2026/0600/EM
7 Moorend Welwyn Garden City AL7 4QL
Installation of additional window
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Welwyn Hatfield/6/2026/0629/EM
8 Moorside Welwyn Garden City AL7 4QH
Alterations to the existing rear part of the dwelling, including replacement of the existing sloping roof with a flat roof, and replacement of existing uPVC windows and French doors with fu...
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Welwyn Hatfield/6/2026/0677/HOUSE
31 Crawford Road Hatfield AL10 0PF
Erection of front/side porch
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Welwyn Hatfield/6/2026/0863/HOUSE
110 Guessens Road Welwyn Garden City AL8 6RS
Erection of a first-floor side extension
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Welwyn Hatfield/6/2026/0980/TC
Our Lady Catholic Primary School Woodhall Lane Welwyn Garden City AL7 3TF
T1 - Lime - Fell and grind root
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Welwyn Hatfield/6/2026/0992/FULL
Water Tower Bell Lane Brookmans Park AL9 7AY
Proposed demolition of existing water tower
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Welwyn Hatfield/6/2026/0993/LAWP
57 Tolmers Road Cuffley Potters Bar EN6 4JG
Certificate of lawfulness for erection of an outbuilding (summer house)
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Welwyn Hatfield/6/2026/0994/TC
51 Brockswood Lane Welwyn Garden City AL8 7BU
Remove 1 x Oak (T1)
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Welwyn Hatfield/6/2025/2113/HOUSE
174 Crawford Road Hatfield AL10 0PA
Retention of outhouse at the end of rear garden
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Welwyn Hatfield/6/2026/0819/LAWE
57 Briars Lane Hatfield AL10 8EX
Certificate of lawfulness for the retention of outbuilding/ carport in front garden and outbuilding in rear garden
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Welwyn Hatfield/6/2026/0938/VAR
17 Attimore Road Welwyn Garden City AL8 6LH
Variation of Condition 2 (approved plans) on planning permission 6/2025/2490/HOUSE
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Welwyn Hatfield/6/2026/0940/ADV
The Howard Centre Unit 32 Howardsgate Welwyn Garden City AL8 6HA
Installation of 1 x illuminated fascia sign, 1 x illuminated projecting sign, 1no. mounted barci logo sign, menu box illuminated sign and festoon lighting.
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Welwyn Hatfield/6/2026/0985/COND
Land at South Way Hatfield AL10 8HS
Submission of details pursuant of condition 5 (archaeology)) on planning permission 6/2023/1532/OUTLINE
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Welwyn Hatfield/6/2026/0987/LAWP
57 Briars Lane Hatfield AL10 8EX
Certificate of lawfulness for proposed alterations to the existing carport and garden room
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Welwyn Hatfield/6/2026/0142/HOUSE
5 Broom Hill Welwyn AL6 0SF
Erection of a porch, front extension, first floor side/rear infill extension, replacement of front dormer windows and alterations to openings
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Welwyn Hatfield/6/2026/0477/FULL
University Of Hertfordshire College Lane Campus College Lane Hatfield AL10 9AB
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...
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Welwyn Hatfield/6/2026/0610/HOUSE
47 Endymion Road Hatfield AL10 8AT
Erection of a single storey side/infill extension, alterations to flat roofing and installation of two windows to east elevation
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Welwyn Hatfield/6/2026/0865/FULL
Land Outside 92 Town Centre Hatfield AL10 0JW
Installation of 1 no. new communications Kiosk with integrated defibrillator and advertising display
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Welwyn Hatfield/6/2026/0878/ADV
Ymca 90 Peartree Lane Welwyn Garden City AL7 3UL
Retention of three illuminated fascia signs
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Welwyn Hatfield/6/2026/0936/EM
4 Turmore Dale Welwyn Garden City AL8 6HS
Remove section of hedge by the driveway
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Welwyn Hatfield/6/2026/0945/COND
24 Hardings Welwyn Garden City AL7 2EJ
Submission of details pursuant to Condition 1 (materials) on planning permission 6/2023/1259/FULL
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Welwyn Hatfield/6/2026/0964/LB
1 The Forge Coopers Lane Northaw Potters Bar EN6 4NF
Installation of fibre broadband infrastructure to the dwelling requiring a small diameter penetration through an external wall of the listed building to facilitate fibre cabling and an inte...
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Welwyn Hatfield/6/2026/0974/TPO
2 Woodacre Drive Welwyn AL6 0UA
T1 - Oak - Prune Western aspect by 2 metres to reduce overhang over building
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Welwyn Hatfield/6/2026/0975/HOUSE
4 Northwood Welwyn Garden City AL7 2PX
Erection of single storey rear extension and open pergola following demolition of conservatory
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Welwyn Hatfield/6/2026/0978/VAR
Land East of A6129 Stanborough Hatfield AL8 7TB
Removal of condition 14 (earthworks) and variation of condition 19 (fire hydrants) on planning permission 6/2023/1802/MAJ
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Welwyn Hatfield/6/2026/0979/COND
Marlborough Court Green Close Brookmans Park AL9 7ST
Submission of details pursuant to condition 1 (construction methodology) on planning permission 6/2025/0434/FULL
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Welwyn Hatfield/6/2026/0983/EM
8 Beehive Green Welwyn Garden City AL7 4BE
Installation of solar panels and changes to fenestration
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Welwyn Hatfield/6/2026/0601/EM
7 Sherrardspark Road Welwyn Garden City AL8 7JW
Replace the existing rhododendron hedge to yew hedge
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Welwyn Hatfield/6/2026/0613/EM
6 Handside Green Welwyn Garden City AL8 6SQ
Erection of part single part double storey rear and side extension to dwelling with fenestration alterations following the demolition and rebuild of garage