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/6/2026/0036/HOUSE
5 Guessens Walk Welwyn Garden City AL8 6QS
Erection of a timber orangery to replace existing conservatory
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Welwyn Hatfield/6/2026/0093/TC
Salisbury Square Hatfield AL9 5AD
T1653 - Honey Locust to fell.
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Welwyn Hatfield/6/2026/0095/TC
30 Longcroft Gardens Welwyn Garden City AL8 6JR
TG1 Ash group to fell all ash trees.
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Welwyn Hatfield/6/2026/0101/EMT
53 Crossway Welwyn Garden City AL8 7ED
Birch tree reduction by approx. 30% or 6 - 8 feet to previous reduction point.
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Welwyn Hatfield/6/2026/0103/EM
35 The Vineyard Welwyn Garden City AL8 7PY
Installation of a Little Free Library within the front boundary hedge and in front of existing green cycle storage
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Welwyn Hatfield/6/2026/0107/EMT
358 Knightsfield Welwyn Garden City AL8 7NG
1 x Apple to prune canopy by around 0.5m in height and 1m on overlong lateral branches. 2 x Plum to reduce by around 2.5m height and reduce width by 1.2 to balance shape ensuring to cut bac...
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Welwyn Hatfield/6/2026/0134/EMT
44 Longcroft Lane Welwyn Garden City AL8 6EF
1 x Cherry to fell.
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Welwyn Hatfield/6/2026/0135/TC
44 Longcroft Lane Welwyn Garden City AL8 6EF
1 x Cherry to fell.
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Welwyn Hatfield/6/2026/0219/LAWP
59 Haseldine Meadows Hatfield AL10 8HA
Certificate of lawfulness for the proposed erection of front porch
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Welwyn Hatfield/6/2025/2059/HOUSE
96 Roe Green Lane Hatfield AL10 0SJ
Erection of a single-storey side and rear extension with a rear annex building (retrospective)
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Welwyn Hatfield/6/2025/2126/HOUSE
32 Bradmore Way Brookmans Park AL9 7QX
Erection of two storey side extension, single storey front extension, single storey rear extension and alteration to fenestration following the demolition of the existing single storey side...
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Welwyn Hatfield/6/2025/2442/HOUSE
133 Handside Lane Welwyn Garden City AL8 6TA
Erection of a part single and part two storey rear extension, alterations to fenestration and erection of a detached outbuilding
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Welwyn Hatfield/6/2025/2529/TC
97 Handside Lane Welwyn Garden City AL8 6SP
T1, T2, T3, T4 & T5 Apple to fell.
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Welwyn Hatfield/6/2025/2536/TC
97 Handside Lane Welwyn Garden City AL8 6SP
1 x Apple to fell. 1 x Plum to fell.
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Welwyn Hatfield/6/2025/2576/TC
45 Sherrardspark Road Welwyn Garden City AL8 7LD
1 x Oak to reduce lateral branches growing over magnolia and towards neighbouring property by around 2 metres. 2 x Leyland Cypress to fell.
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Welwyn Hatfield/6/2025/2577/EMT
45 Sherrardspark Road Welwyn Garden City AL8 7LD
1 x Oak to reduce lateral branches growing over magnolia and towards neighbouring property by around 2 metres. 2 x Leyland Cypress to fell.
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Welwyn Hatfield/6/2025/2580/HOUSE
24 Sheepcote Welwyn Garden City AL7 4QD
Erection of a garden studio
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Welwyn Hatfield/6/2025/2594/TPO
6 Welwyn Hall Gardens Welwyn AL6 9LF
Lime Tree (T1) Crown thin and repollard removing 3-4m of growth back to previous pollard point. TPO 1051 (2023)
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Welwyn Hatfield/6/2025/2615/EM
112 The Vineyard Welwyn Garden City AL8 7PU
Addition of porch
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Welwyn Hatfield/6/2026/0041/EM
8 Mountway Close Welwyn Garden City AL7 4JZ
Replacement and extension of hardstanding
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Welwyn Hatfield/6/2026/0044/TC
19 High Oaks Road Welwyn Garden City AL8 7BJ
Fell dead/dying plum tree
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Welwyn Hatfield/6/2026/0049/EMT
19 High Oaks Road Welwyn Garden City AL8 7BJ
Fell dead/dying plum tree
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Welwyn Hatfield/6/2026/0128/EMT
54 Digswell Rise Welwyn Garden City AL8 7PW
T1 (Oak), T2 (Ash), T3 (Sycamore) to be cut back as far possible as one is growing into my roof / aerial
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Welwyn Hatfield/6/2026/0324/COND
Land at South Way Hatfield AL10 8HS
Submission of details pursuant to Condition 3 (Construction Management Plan) & Condition 7 (Landscape and Ecology Management Plan (LEMP)) on planning permission 6/2023/1532/OUTLINE
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Welwyn Hatfield/6/2026/0374/HOUSE
12 Hill Rise Cuffley Potters Bar EN6 4EE
Retention of an outbuilding
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Welwyn Hatfield/6/2025/1791/MAJ
Ponsbourne Park Ponsbourne Park Newgate Street SG13 8QT
Redevelopment of land at Ponsbourne Park to provide 26 new dwellings, extensions to and conversion of existing buildings to residential use and associated car parking and landscaping
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Welwyn Hatfield/6/2025/2494/HOUSE
13 Greenfield Hatfield AL9 5HW
Erection of a two storey rear extension and installation of a window on the first floor side elevation of the existing dwelling.
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Welwyn Hatfield/6/2025/2598/HOUSE
54 Homewood Avenue Cuffley Potters Bar EN6 4QR
Raising of rear single storey roof to accommodate a warm flat roof & skylight
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Welwyn Hatfield/6/2025/2626/LB
45 High Street Welwyn AL6 9EH
Replace existing roof tiles and flashings with like-for-like materials and structural improvements to roof
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Welwyn Hatfield/6/2026/0114/COND
33 Lemsford Village Lemsford Welwyn Garden City AL8 7TR
Submission of details pursuant to condition 1 (Landscaping details), condition 2 (landscape works), condition 3 (permitted development) and condition 4 (Approved plans) on planning permissi...
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Welwyn Hatfield/6/2026/0221/FULL
79 Holloways Lane Welham Green Hatfield AL9 7NU
Change of use from C3 (Dwelling) to C2 (Children's Home)
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Welwyn Hatfield/6/2026/0294/TC
34 Rosedale Welwyn Garden City AL7 1DR
1 x Cherry plum to reduce to approximately 3m above ground level, leaving a framework for the tree to grow on from
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Welwyn Hatfield/6/2025/2117/COND
The Hope and Anchor 2 Station Road Welham Green Hatfield AL9 7PJ
Submission of details pursuant to condition number 5 (external materials),6 (cycle parking),7 (refuse and recycling) 9 (landscaping),11 (EV charging),12 (accessible housing) on planning per...
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Welwyn Hatfield/6/2025/2498/EM
17 Attimore Road Welwyn Garden City AL8 6LH
Erection of a single storey rear extension and alterations to the fenestration at the rear elevation
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Welwyn Hatfield/6/2025/2608/LAWP
6 Blakes Way Welwyn AL6 9RE
Certificate of lawfulness for single storey rear extension following demolition of conservatory
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Welwyn Hatfield/6/2026/0057/EMT
29 Sheepcote Welwyn Garden City AL7 4QA
1 x Goat willow to remove upper left stem over neighbouring garden, remove right stem to around 2m. Reduce lateral branches over the neighbouring garden by around 2.5m. Reducing tree to pre...
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Welwyn Hatfield/6/2025/1349/FULL
13 Wellfield Road Hatfield AL10 0BS
Change of use to B8 (storage or distribution) following the demolition of existing buildings
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Welwyn Hatfield/6/2025/2136/MAJ
L Kahn Manufacturing Ltd Wellfield Road Hatfield AL10 0BS
Temporary change of use for 10 years of buildings and land from General Industrial use to Classes B2 General Industrial Use and B8 Storage & Open Storage Use
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Welwyn Hatfield/6/2025/2207/COND
Bedwell Park Hatfield London Country Club High Road Essendon Hatfield AL9 6HN
Submission of details pursuant to condition 2 (Biodiversity Enhancement Plan), condition 3 (Habitat Management and Monitoring Plan) and informative 4 (Biodiversity Gain Plan) on planning pe...
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Welwyn Hatfield/6/2025/2322/EM
71 Valley Road Welwyn Garden City AL8 7DR
Part two storey and single storey rear extension, part garage conversion including raising of roof and alterations to openings on side and rear elevations
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Welwyn Hatfield/6/2025/2544/LAWP
Isabel Hospice Howlands Welwyn Garden City AL7 4GN
Certificate of lawfulness for a single storey infill extension to hospice to create new store. Alterations to fenestration, installation of 5 rooflights, repainting and reconfiguration of c...
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Welwyn Hatfield/6/2025/2166/HOUSE
56 Bradmore Way Brookmans Park AL9 7QX
Erection of single storey rear and side extensions, relocation of front entrance door and alterations to fenestration
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Welwyn Hatfield/6/2025/2420/TPO
20 Mardley Heights Welwyn AL6 0SX
Hornbeam tree to reduce back to previous pruning points (repollard). 2 x Silver birches to crown reduce by 30%. Covered by TPO 24 A3 and TPO 641 (2017)
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Welwyn Hatfield/6/2025/2526/TC
7 Sherrardspark Road Welwyn Garden City AL8 7JW
T1 Fell 1 x Hawthorn. T2 Fell 1 x Crab apple tree. T3 Fell 1 x Hazel tree.
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Welwyn Hatfield/6/2025/2572/EMT
21 High Oaks Road Welwyn Garden City AL8 7BJ
Crown Lift 1 x Lime by 5m and reduce canopy by 30%. Crown thin 1 x Whitebeam by 10% and reduce canopy/height by 4m. Crown thin 1 x Mulberry Tree by 15% and reduce canopy/height by 2m.
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Welwyn Hatfield/6/2025/2602/EMT
9 Old Forge Close Welwyn AL6 0SR
1 x Deodar cedar to reduce by approximately 1.8m height and width.
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Welwyn Hatfield/6/2026/0052/TC
16 Brockswood Lane Welwyn Garden City AL8 7BG
3 x Himalayan birch to reduce by around 1.5m in height and width. 3 x Holm oak to reduce by around 0.5m height, cut back width to clear cabin roof.
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Welwyn Hatfield/6/2026/0053/EMT
16 Brockswood Lane Welwyn Garden City AL8 7BG
3 x Himalayan birch to reduce by around 1.5m in height and width. 3 x Holm oak to reduce by around 0.5m height, cut back width to clear cabin roof.
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Welwyn Hatfield/6/2026/0321/COND
European Knowledge Centre Eisai Limited Mosquito Way Hatfield AL10 9SN
Submission of details pursuant to Conditions 1 (Construction Management Plan), 2 (Surface Water Drainage), 7 (Planting Methods and Soft Landscaping) and Condition 8 (Cycle Shelter and Cycle...
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Welwyn Hatfield/6/2025/2369/FULL
6 Ross Close Hatfield AL10 0QT
Erection of dwelling following demolition of outbuilding
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Welwyn Hatfield/6/2025/2590/HOUSE
7 Youngs Rise Welwyn Garden City AL8 6RT
Conversion of existing garage and passageway into habitable space and raising of roof with replacement of garage doors
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Welwyn Hatfield/6/2026/0307/COND
Ludwick Green Ludwick Way Welwyn Garden City AL7 3QN
Submission of details pursuant to condition number 26 (Asbestos) on planning permission 6/2021/3367/MAJ
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Welwyn Hatfield/6/2026/0310/COND
Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB
Submission of details pursuant to Condition 5 (method statement for interim and temporary drainage measures) and 9 (drainage details) on planning permission 6/2024/1512/MAJ (NMA1)
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Welwyn Hatfield/6/2025/1070/HOUSE
6 Densley Close Welwyn Garden City AL8 7JX
Erection of part two storey, part single storey side extension and formation of new parking space & crossover, following demolition of existing single storey side extension and part of atta...
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Welwyn Hatfield/6/2025/1684/EM
117 Knightsfield Welwyn Garden City AL8 7JD
Replace windows and secondary double glazing with UPVC double glazing (Like for like) and replace the living room windows with French doors
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Welwyn Hatfield/6/2025/2398/LAWP
74 Warrengate Road North Mymms Hatfield AL9 7TY
Certificate of lawfulness for the erection of a detached outbuilding in the rear garden
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Welwyn Hatfield/6/2025/2399/LAWP
74 Warrengate Road North Mymms Hatfield AL9 7TY
Certificate of lawfulness for a detached outbuilding in the rear garden
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Welwyn Hatfield/6/2026/0013/COND
3 New Place Welwyn AL6 9QA
Submission of details pursuant of condition 2 (tree planting plan) on planning permission 6/2025/1163/HOUSE
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Welwyn Hatfield/6/2026/0088/COND
18 Oaklands Rise Welwyn AL6 0RN
Submission of details pursuant to condition number 1 (Arboricultural Method Statement and Tree Protection Strategy) on planning permission 6/2025/1028/HOUSE
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Welwyn Hatfield/6/2026/0138/FULL
83 Brookmans Avenue Brookmans Park AL9 7QG
Erection of a self build two and half storey detached dwelling and front boundary wall and vehicular gates following the demolition of the existing dwelling and front boundary wall. Install...