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/6/2026/0257/TC
135 Guessens Road Welwyn Garden City AL8 6RR
2 x Leyland cypress to remove in sections to ground level. 1 x Hawthorn to reduce lateral branches over lawn area by around 2m.
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Welwyn Hatfield/6/2026/0269/TC
3 Handside Green Welwyn Garden City AL8 6SQ
Crown reduce Hornbeam by 30%
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Welwyn Hatfield/6/2026/0335/TPO
Peel Court College Way Welwyn Garden City AL8 6DG
T13 Oak to reduce height and spread back to previous pruning points (approximately 2–2.5m). T15 Oak to reduce height and spread back to previous pruning points (approximately 2–2.5m). T16 O...
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Welwyn Hatfield/6/2026/0429/COND
North Mymms Park Tollgate Road North Mymms AL9 7TR
Submission of details pursuant to condition number 2 (scheme for a noise limiting system) on planning permission 6/2018/3204/FULL
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Welwyn Hatfield/6/2026/0493/TPO
Lockleys Drive Car Park Lockleys Drive Welwyn AL6 9LU
T3-Oak tree to prune branches to create a clearance from phone lines by up to 1m
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Welwyn Hatfield/6/2025/2574/TPO
19 Elmoor Avenue Welwyn AL6 9PG
T1 Sycamore to reduce height by 3 meters and lateral branches by 2 meters or 20% reduction. (TPO 675 (2017) G1)
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Welwyn Hatfield/6/2026/0147/HOUSE
32 The Holdings Hatfield AL9 5HQ
Erection of a two-storey extension to the southern side of the dwelling and the erection of a single-storey extension to the northern side of the dwelling following the demolition of existi...
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Welwyn Hatfield/6/2026/0149/LAWP
2 Breakmead Welwyn Garden City AL7 3HG
Certificate of lawfulness for the erection of a single storey rear extension following demolition of shed, loft conversion with dormer and insertion of rooflights
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Welwyn Hatfield/6/2026/0224/TPO
36 School Lane Welwyn AL6 9PH
T1 & T2 silver birch crown reduction by 5m in height and 4m in width. TPO 818 (2018)
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Welwyn Hatfield/6/2026/0302/EMT
17 Dellcott Close Welwyn Garden City AL8 7BB
1 x Cherry to fell.
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Welwyn Hatfield/6/2026/0327/TC
29A Turmore Dale Welwyn Garden City AL8 6HT
Two conifer trees to reduce in height by approx 30% and shape to reduce neighbour overhang.
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Welwyn Hatfield/6/2025/1344/FULL
Brocket Hall Golf Academy Welwyn Garden City AL8 7XG
Retention of a timber-framed, roofed structure comprising 16 driving bays, two coaching bays and ball dispenser area, forming part of the Brocket Hall golf driving range facility
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Welwyn Hatfield/6/2025/2447/COND
Digswell Methodist Church Warren Way Digswell Welwyn AL6 0DH
Submission of details pursuant of condition 1 (materials), condition 2 (ASHP), condition 3 (solar panels), condition 4 (bulkhead and flood lighting), condition 5 (bike-rack), condition 6 (b...
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Welwyn Hatfield/6/2026/0017/HOUSE
5 Sherrards Mews Rectory Road Welwyn Garden City AL8 7AX
Erection of single storey rear extension, following demolition of conservatory together with the installation of two front rooflights and changes to the side windows/doors.
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Welwyn Hatfield/6/2026/0089/HOUSE
54 Garden Avenue Hatfield AL10 8LQ
Erection of a first floor side extension above the existing single storey side extension.
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Welwyn Hatfield/6/2026/0206/COND
Land at South Way Hatfield
Submission of details pursuant to Condition 9 (Site Waste Management Plan) on planning permission 6/2023/1532/OUTLINE
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Welwyn Hatfield/6/2026/0243/LAWP
10 The Gardens Brookmans Park AL9 7UL
Certificate of lawfulness for hip-gable loft conversion, construction of dormer window, insertion of skylights, insertion of flank window and installation of new front door
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Welwyn Hatfield/6/2026/0522/FULL
Land to Rear of 63 Pine Grove Brookmans Park AL9 7BL
Erection of new dwelling and associated hard and soft landscaping
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Welwyn Hatfield/6/2025/2404/TPO
Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP
T1 Ash to pollard canopy to 8-10m from ground level. (TPO 833 (2018) W1)
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Welwyn Hatfield/6/2025/2471/ADV
Hertfordshire 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/6/2025/2630/TC
Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP
Ash T2 to fell.
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Welwyn Hatfield/6/2026/0035/HOUSE
14 Georges Wood Road Brookmans Park AL9 7BT
Erection of extension to the existing outbuilding
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Welwyn Hatfield/6/2026/0110/HOUSE
47 Uplands Welwyn Garden City AL8 7EN
Erection of part single storey and part two storey rear extension with alterations to openings
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Welwyn Hatfield/6/2026/0111/HOUSE
21E Canonsfield Welwyn AL6 0QB
Garage conversion and single storey front/side extension (to connect to existing garage), entrance canopy roof and first floor side window.
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Welwyn Hatfield/6/2026/0113/TPO
Willow Lodge 2 Oaklands View Welwyn AL6 0RJ
2 diseased sweet chestnut trees to be removed TPO 879 (2022) T20 and TPO203 T20 Trees are exhibiting significant longitudinal splitting along the main stem, with exposed wood and compromise...
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Welwyn Hatfield/6/2026/0124/HOUSE
43 Moorlands Welwyn Garden City AL7 4PY
Erection of a single storey rear extension and a front porch conversion
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Welwyn Hatfield/6/2026/0170/TC
Roman Catholic Church Salisbury Square Hatfield AL9 5JD
Holm oak to crown reduce back to most recent previous points (approximately 3m).
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Welwyn Hatfield/6/2026/0121/COND
Land at South Way Hatfield
Submission of details pursuant to Condition 5 (Archaeological Written Scheme of Investigation (WSI) & 8 (Construction Environmental Management Plan (CEMP) on planning permission 6/2023/1532...
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Welwyn Hatfield/6/2026/0455/EMT
3 Roundwood Drive Welwyn Garden City AL8 7JZ
T1 Ash - Fell to ground level.
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Welwyn Hatfield/6/2025/2511/COND
Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Welwyn Garden City AL7 4EG
Submission of details pursuant to Condition 37 (Landscape Phasing) on planning permission 6/2022/1375/MAJ
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Welwyn Hatfield/6/2026/0067/COND
58 Harmer Green Lane Digswell Welwyn AL6 0AW
Submission of details pursuant to condition 16 (Plant Noise Assessment) on planning submission 6/2023/1898/FULL
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Welwyn Hatfield/6/2026/0090/HOUSE
7 Elmoor Close Welwyn AL6 9PF
Erection of a first floor extension to existing bungalow to create a two storey dwellinghouse, part conversion of garage into habitable room and alterations to fenestration
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Welwyn Hatfield/6/2026/0097/TPO
20 Mardley Hill Welwyn AL6 0TS
T1 x Sweet chestnut to reduce by around 3m in height and 1.5-2m width
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Welwyn Hatfield/6/2026/0143/TC
Lockleys Drive Car Park Lockleys Drive Welwyn AL6 9LU
T1-Oak tree in the allotments to lift by 5 metre from ground level T2-Beech tree in the carpark area to lift up by 5 metres from ground level and reduce all around by 2 metres to clear back...
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Welwyn Hatfield/6/2026/0144/TC
St Marys Church Church Hall Church Street Welwyn AL6 9LX
TI-Holly tree- To fell to stump level as the tree is dying. T4-Holm Oak- To crown reduce by 3 metres
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Welwyn Hatfield/6/2026/0216/COND
59 New Road Digswell Welwyn AL6 0AL
Submission of details pursuant to Condition 19 (External Lighting) on planning permission 6/2023/0907/FULL
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Welwyn Hatfield/6/2026/0220/PN8
4 Orchard Way Little Heath Potters Bar EN6 1NT
Prior approval for the erection of a single storey rear extension measuring 5.5m in depth, 3m in height and 3m to the eaves
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Welwyn Hatfield/6/2026/0261/COND
10 Woodland Way Welwyn AL6 0RZ
Submission of details pursuant to Condition 1 (Arboricultural Method Statement) on planning permission 6/2025/2521/HOUSE
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Welwyn Hatfield/6/2026/0004/EM
31 Bridge Road Welwyn Garden City AL8 6UG
Replacement windows and door
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Welwyn Hatfield/6/2026/0086/EM
15 Barnfield Road Welwyn Garden City AL7 3TQ
Insertion of window
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Welwyn Hatfield/6/2026/0091/EM
47 Uplands Welwyn Garden City AL8 7EN
Erection of part single storey and part two storey rear extension with alterations to openings
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Welwyn Hatfield/6/2026/0094/HOUSE
200 Heronswood Road Welwyn Garden City AL7 3JQ
Erection of a single storey side and rear extension following the demolition of the existing garden store and covered passage
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Welwyn Hatfield/6/2026/0096/HOUSE
7 Moorend Welwyn Garden City AL7 4QL
Erection of ground and first floor rear extensions
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Welwyn Hatfield/6/2025/2215/EMT
7 Handside Green Welwyn Garden City AL8 6SQ
6 lime trees to reduce laterals by 2-3m
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Welwyn Hatfield/6/2025/2619/EM
14 Elmwood Welwyn Garden City AL8 6LE
Erection of single storey rear extension
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Welwyn Hatfield/6/2026/0098/LAWP
22 Endymion Road Hatfield AL10 8AS
Certificate of lawfulness for a hip to gable loft conversion with rear box dormer, insertion of skylights to front roof slope and demolition of secondary chimney
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Welwyn Hatfield/6/2026/0476/EMT
39 Woodland Rise Welwyn Garden City AL8 7LJ
Remove oak tree.
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Welwyn Hatfield/6/2025/2488/HOUSE
54 Parkway Welwyn Garden City AL8 6HH
Erection of single storey rear extension to replace existing and insertion of roof lights to the rear slope
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Welwyn Hatfield/6/2025/2609/HOUSE
8 Cypress Avenue Welwyn Garden City AL7 1HN
Erection of a single storey rear extension with alterations to front porch and fenestration
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Welwyn Hatfield/6/2026/0031/HOUSE
83 Park Meadow Hatfield AL9 5HB
Erection of single storey side extension and installation of air source heat pump unit
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Welwyn Hatfield/6/2026/0087/LB
Hatfield Police Station Comet Way Hatfield AL10 9SJ
Installation of 135 metres of fibre telecommunications cable from a fibre termination box in the ground floor canteen area, to a communications cabinet located in the ground floor communica...
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Welwyn Hatfield/6/2024/1636/FULL
84 Warrengate Road North Mymms Hatfield AL9 7TY
Erection of a replacement dwelling
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Welwyn Hatfield/6/2025/2254/LAWP
7 Tolmers Road Cuffley Potters Bar EN6 4JF
Certificate of lawfulness for change of use from residential dwelling to a children's home for up to one child with a manager, one day carer and one overnight carer working on a rota basis.
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Welwyn Hatfield/6/2025/2356/HOUSE
Jupiter Coopers Lane Northaw Potters Bar EN6 4NJ
Erection of a single storey rear extension and outbuilding in the rear garden
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Welwyn Hatfield/6/2025/2449/HOUSE
43 Station Road Welham Green Hatfield AL9 7PF
Erection of two storey rear extension (resubmission of 6/2022/2452/HOUSE)
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Welwyn Hatfield/6/2025/2525/EMT
7 Sherrardspark Road, Welwyn Garden City, AL8 7JW
T1 Fell 1 x Hawthorn. T4 Remove 1 x Hornbeam hedge and replace with yew hedge. T2 Fell 1 x Crab apple tree. T3 Fell 1 x Hazel tree.
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Welwyn Hatfield/6/2025/2541/EMT
338 Knightsfield Welwyn Garden City AL8 7NQ
T1 Yew to fell. T2 Weeping Silver birch to lift to 3 metres. T3 Lime x 2 to reduce by 5 metres in height. T4 Conifer to fell. T5 Silver birch to crown reduce by 2m all round. T6 Tree of hea...
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Welwyn Hatfield/6/2025/2612/HOUSE
14 Elmwood Welwyn Garden City AL8 6LE
Erection of single storey rear extension, internal alterations, new bathroom window to rear and re-position existing bedroom window and landscaping works
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Welwyn Hatfield/6/2026/0024/HOUSE
6 Ramblers Way Welwyn Garden City AL7 2JX
Installation of air source heat pump to rear north elevation of dwelling
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Welwyn Hatfield/6/2026/0040/HOUSE
1 Brookside Crescent Cuffley Potters Bar EN6 4QW
Erection of a single storey side extension and elevation alterations following demolition of existing garage, loft conversion and changing of the rear hipped roofs to pitched