Planning authority · 2025
Welwyn Hatfield planning applications 2025
1,975 public planning records from 2025 in the production OGL dataset, newest first, linked to council source pages.
Applications
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Welwyn Hatfield/6/2025/1930/EM
42 Lemsford Lane Welwyn Garden City AL8 6YJ
Installation of EV charger on front of house
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Welwyn Hatfield/6/2025/1989/PN8
17 Wilshere Road Welwyn AL6 9PU
Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.22m in height and 3m to the eaves
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Welwyn Hatfield/6/2025/2053/TC
4 High Grove Welwyn Garden City AL8 7DW
1 x Apple to reduce by approximately 2m height & width. 1 x Holly to reduce by 2.5m.
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Welwyn Hatfield/6/2025/2057/EMT
4 High Grove Welwyn Garden City AL8 7DW
1 x Apple to reduce by approximately 2m height & width. 1 x Holly to reduce by 2.5m.
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Welwyn Hatfield/6/2025/2245/EMT
62 Handside Lane Welwyn Garden City AL8 6SJ
Fell 1 x purple leaved plum and 3 x ash.
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Welwyn Hatfield/6/2025/2261/TC
62 Handside Lane Welwyn Garden City AL8 6SJ
Fell 1 x purple leaved plum and 3 x ash.
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Welwyn Hatfield/6/2025/2274/COND
16 Cobmead Hatfield AL10 0JF
Submission of details pursuant to condition 1 (Landscaping details), condition 2 (External materials) and condition 5 (Landscape management and maintenance plan) on planning permission 6/20...
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Welwyn Hatfield/6/2025/1498/EM
332 Knightsfield Welwyn Garden City AL8 7NQ
Erection of single storey rear extension and part garage conversion
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Welwyn Hatfield/6/2025/1723/VAR
Lockleys Farm Great North Road Welwyn AL6 0BL
Variation of condition 1 (External materials) & condition 5 (Approved plans) on planning permission 6/2023/0905/FULL
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Welwyn Hatfield/6/2025/1758/LAWP
1A Marlborough Close Welwyn AL6 0UG
Certificate of lawfulness for replacing the existing garage door with window, wall opening infilled and finished to match first floor dormer treatment
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Welwyn Hatfield/6/2025/2052/TC
5 Mandeville Rise Welwyn Garden City AL8 7JT
T1 - 1 x Laurel to fell. T2 - 1 x Laurel to fell. G2 - Rear Laurel hedge to fell.
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Welwyn Hatfield/6/2024/2376/FULL
175 Parkway Welwyn Garden City AL8 6JA
Installation of a dropped kerb and crossover
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Welwyn Hatfield/6/2025/1491/LAWP
7 Churchill Crescent Welham Green Hatfield AL9 7DQ
Certificate of lawfulness for extension of hardstanding
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Welwyn Hatfield/6/2025/1645/VAR
14 Upland Drive Hatfield AL9 6PS
Variation of condition 2 (approved plans) on planning permission 6/2025/0617/HOUSE
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Welwyn Hatfield/6/2025/1740/HOUSE
14 Birch Drive Hatfield AL10 8NX
Erection of a part single and part two storey rear extension and rear garage extension
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Welwyn Hatfield/6/2025/1796/TPO
Brookmans Park Teleport Arqiva Great North Road Brookmans Park AL9 6NE
8 x Oak trees to lift to 5m above ground level and prune back to the fenceline of the MF tower.
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Welwyn Hatfield/6/2025/1865/EMT
3 Barleycroft Green Welwyn Garden City AL8 6JY
Removal of common Lilac tree and pruning the shrubs on the right hand side of the tree at the back fence
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Welwyn Hatfield/6/2025/1866/HOUSE
17 Heathcote Avenue Hatfield AL10 0RQ
Erection of part single, part two storey rear extension following demolition of existing ground floor extension
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Welwyn Hatfield/6/2025/1867/LAWP
17 Heathcote Avenue Hatfield AL10 0RQ
Certificate of lawfulness for loft conversion, raising hip end to form gable with rear dormer window and rooflight within the front roofslope
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Welwyn Hatfield/6/2025/1881/ADV
Oldings Corner Retail Park Hatfield AL9 5JY
Replacement of signage panels for 2 no. existing non-illuminated freestanding totem signs and replacement of the existing freestanding totem sign with 1 no. internally illuminated totem sign
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Welwyn Hatfield/6/2025/1882/EMT
6 Brockett Close Welwyn Garden City AL8 7BN
1 x Red Oak Tree to cut back by 30% 1 x Horse Chestnut to cut back by 30%
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Welwyn Hatfield/6/2025/1886/HOUSE
11 Peplins Close Brookmans Park AL9 7UX
Erection of a single storey rear extension with internal alterations, following the demolition of existing conservatory
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Welwyn Hatfield/6/2025/1903/TC
28 Turmore Dale Welwyn Garden City AL8 6HS
Leyland Cypress hedge to reduce by around 10ft in height - Reduce to maintain a suitable height for the garden
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Welwyn Hatfield/6/2025/1926/EMT
4 Densley Close Welwyn Garden City AL8 7JX
Oak to fell.
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Welwyn Hatfield/6/2025/1929/EMT
22 Beehive Green Welwyn Garden City AL7 4BG
T1 x Cherry to remove in sections to ground level - Crown is in decline due to its age related decline
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Welwyn Hatfield/6/2025/1963/EMT
24 Sheepcote Welwyn Garden City AL7 4QD
2x 70ft conifers to reduce in height by 40% 1x 20ft conifer to remove
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Welwyn Hatfield/6/2025/1969/TC
9 The Quadrangle Welwyn Garden City AL8 6SG
3x Leylandii trees to be removed.
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Welwyn Hatfield/6/2025/1987/TC
5 Meadow Green Welwyn Garden City AL8 6SS
1 x Box elder fell to ground level.
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Welwyn Hatfield/6/2025/2070/PN14
26 Codicote Road Welwyn AL6 9NQ
Prior approval for demolition of a building
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Welwyn Hatfield/6/2025/2208/TPO
10 Mardley Wood Welwyn AL6 0UX
T1 Larch to fell (dead). T2 Larch to fell (dead). (TPO 108 G14) (5 DAY NOTICE)
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Welwyn Hatfield/6/2025/1604/HOUSE
Mill Green 5 Waterside Cottages Bush Hall Lane Hatfield AL9 5NY
Removal of existing flat roof, raising roof and replacing with a new flat roof to facilitate internal alterations
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Welwyn Hatfield/6/2025/1660/FULL
Birchwood Nursery School Birchway Hatfield AL10 0PD
Erection of a single storey log cabin
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Welwyn Hatfield/6/2025/1755/EMT
4 The Old Drive Welwyn Garden City AL8 6TB
1 x Beech tree to reduce by 30%. 1 x Cherry tree to reduce by 30%.
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Welwyn Hatfield/6/2025/1777/LAWP
24 The Gardens Brookmans Park AL9 7UL
Certificate of lawfulness for a hip to gable loft conversion, rear dormer, installation of rooflights to the front roofslope and removal of the existing chimney.
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Welwyn Hatfield/6/2025/1835/HOUSE
40 Dellsome Lane Welham Green Hatfield AL9 7ND
Erection of two storey side and rear extension
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Welwyn Hatfield/6/2025/1927/EM
3 Roundwood Drive Welwyn Garden City AL8 7JZ
Replacement of existing chimney stack with identical replica following the removal of entire existing stack
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Welwyn Hatfield/6/2025/1966/EMT
Hanover House Hyde Valley Welwyn Garden City AL7 4DA
Reduce 2 x Maple - crown thin 25% and crown lift lower limbs by 5.2m, removing 25% or live branches. Reduce 1 x Lawson cypress crown height by 7m.
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Welwyn Hatfield/6/2025/1992/EMT
5 Meadow Green Welwyn Garden City AL8 6SS
1 x Box elder fell to ground level.
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Welwyn Hatfield/6/2025/2262/HOUSE
9 Hill Rise Cuffley Potters Bar EN6 4ED
Erection of a part single and part two storey rear extension, garage conversion to habitable use and alterations to fenestration
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Welwyn Hatfield/6/2025/1556/COND
41 High Street Welwyn AL6 9EF
Submission of details pursuant to condition 2 (Methodology of repairs) on listed building consent 6/2024/1489/LB
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Welwyn Hatfield/6/2025/1760/FULL
55-57 Howardsgate Welwyn Garden City AL8 6BB
Installation of an AC condenser unit to rear elevation of the building.
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Welwyn Hatfield/6/2025/1852/TPO
128 Moffats Lane Brookmans Park AL9 7RW
Scots pine x2 on left hand boundary - reduction of 3-4 meters off the over-extended branches and height enhancing the shape TPO 394
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Welwyn Hatfield/6/2025/1880/TC
6 Brockett Close Welwyn Garden City AL8 7BN
1 x Red Oak Tree to be cut back by 30% 1 x Horse Chestnut Tree to be cut back by 30%
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Welwyn Hatfield/6/2025/1916/COND
111 The Ridgeway Cuffley Potters Bar EN6 4BG
Submission of details pursuant to condition number 1 (Samples of materials) on planning permission 6/2025/0760/HOUSE
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Welwyn Hatfield/6/2025/1919/TC
154 Parkway Welwyn Garden City AL8 6HZ
7 x Hornbeam Tree's within the boundaries of 154 Parkway. crown reduction by 25% to reduce the spread of branches currently meeting across the garden crown lifting by 10% to remove the lowe...
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Welwyn Hatfield/6/2025/1932/TC
22 Beehive Green Welwyn Garden City AL7 4BG
1 x Cherry to remove in sections to ground level - Crown is in decline due to its age related decline
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Welwyn Hatfield/6/2025/1962/TC
24 Sheepcote Welwyn Garden City AL7 4QD
2x 70ft leylandii conifers to reduce in height by 40% 1x 20ft conifer to remove
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Welwyn Hatfield/6/2024/2084/HOUSE
6 Holloways Lane Welham Green Hatfield AL9 7NP
Installation of two dormer windows and three rooflights following the replacement of the existing roof to facilitate the conversion of roof into habitable space
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Welwyn Hatfield/6/2025/1568/HOUSE
63 Northaw Road West Northaw EN6 4NP
Installation of vehicle crossover and hardstanding
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Welwyn Hatfield/6/2025/1670/HOUSE
91 The Ryde Hatfield AL9 5DN
Erection of single storey rear and side extension, conversion of existing garage to habitable room, loft conversion, with insertion of rooflights and 1st floor front window and 1st floor re...
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Welwyn Hatfield/6/2025/1745/TC
4 The Old Drive Welwyn Garden City AL8 6TB
Beech hedge to cut back in line with neighbours to the left and trim the top Beech tree to reduce by 30% Crab apple tree to reduce by 30% Cherry tree to reduce by 30% Smoke bush to cut back...
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Welwyn Hatfield/6/2025/1761/HOUSE
3 West View Hatfield AL10 0PH
Erection of a single storey rear extension and relocation of the ground floor side elevation door on the side elevation of the existing dwelling.
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Welwyn Hatfield/6/2025/1801/HOUSE
10 Hill Ley Hatfield AL10 8LX
Erection of single storey front extension and single storey rear extension.
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Welwyn Hatfield/6/2025/1810/HOUSE
9 Farm Close Cuffley Potters Bar EN6 4RQ
Erection of a part single, part two storey rear extension and two storey front extension, alterations to fenestration, internal changes and timber cladding to first floor
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Welwyn Hatfield/6/2025/1818/EMT
2 Fern Grove Welwyn Garden City AL8 7ND
T1 - 1 x Portugal laurel to reduce by approximately 3m in height and around 1-1.2m width - to reduce size due to proximity to property T2 - 1 x Mountain Ash to reduce by approximately 2m he...
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Welwyn Hatfield/6/2025/1920/TC
4 Densley Close Welwyn Garden City AL8 7JX
Oak to fell.
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Welwyn Hatfield/6/2025/2115/FULL
7 Tolmers Road Cuffley Potters Bar EN6 4JF
Change of use from single family dwelling C3 to children's care home for single child placement. Installation of a covered bike and bin store to the rear of the property
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Welwyn Hatfield/6/2024/2262/EM
40 Sherrardspark Road Welwyn Garden City AL8 7LB
T1 and T2 Magnolia, 0.75m crown reduction and shape. T3 Cherry, Fell to ground level due to ill health, a replacement to be planted. T4 Holly, 2m crown reduction lift crown 3 metres. Widen...
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Welwyn Hatfield/6/2025/1082/HOUSE
Tudor Cottage Hill Farm Lane Ayot St Lawrence AL6 9BT
Erection of rear veranda
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Welwyn Hatfield/6/2025/1459/HOUSE
30 Tolmers Road Cuffley Potters Bar EN6 4JF
Erection of a part single and part two storey rear extension, first floor side extension, front porch and installation of a rooflight to the front roof slope.