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Planning Application: 6/2026/0097/TPO




WORKS TO TREES WITH TREE PRESERVATION ORDER
Under Consideration
Mrs Emma Meadows
e.meadows@welhat.gov.uk
20 Mardley Hill Welwyn AL6 0TS
T1 x Sweet chestnut to remove in sections to ground level
525128
218195

  • Welwyn East

  • Councillor Julie Cragg
  • Councillor Terry Mitchinson
Welwyn
100080989486
22/01/2026
22/01/2026
04/02/2026
Mrs Kate Ryan
Mrs Christine Norbury
17 Crossway Welwyn Garden City AL8 7ED
20 Mardley Hill Welwyn Hertfordshire AL6 0TS
Description Distance
Parish 0.00
Parish 97.38
Hertfordshire Ecological Network 0.00
Great Crested Newts DLL Risk Zones 0.00
Delegated

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File Description Date Uploaded
Application Form - Without Personal Information
File: ApplicationFormRedacted.pdf (240 kb) Description: Applicationformredacted Created Date: 22/01/2026
Plans
File: Sketch plan 20 Mardley Hill.pdf (568 kb) Description: Sketch Plan 20 Mardley Hill Created Date: 22/01/2026
File: Map.pdf (318 kb) Description: Map Created Date: 22/01/2026
Photographs
File: Sweet chestnut.pdf (1698 kb) Description: Sweet Chestnut Created Date: 27/01/2026
Organisation Name Sent Reply Due Reply Received
Welwyn Parish Council Arooj Afzal 04/02/2026
Welwyn Parish Council Arooj Afzal 04/02/2026
Welwyn Hatfield Borough Council Councillor Julie Cragg 04/02/2026
Welwyn Hatfield Borough Council Councillor Julie Cragg 04/02/2026
Welwyn Hatfield Borough Council Councillor Terry Mitchinson 04/02/2026
Welwyn Hatfield Borough Council Councillor Terry Mitchinson 04/02/2026

There are no neighbours associated with this application

Application Number Proposal Decision Distance
6/2025/2193/TPO TPO 640 & TPO 24 T1 - Scots Pine, to remove three low hanging secondary branches growing from lowest lateral branch over road, retaining the fourth secondary branch with an upright habit. Light trim and shape of the crown roadside of no more than 0.5m to suitable growth points to rebalance the crown. T2 - Oak Tree - Reduce by 30% (3m) due to excessive shading T3 - Oak Tree - Reduce by 30% (3m) due to excessive shading T4- Chestnut Tree - Reduce by 30% (3m) due to excessive shading Granted 0
6/2025/2194/TPO TPO 24 T1 - Sweet Chestnut - Reduce Sweet Chestnut by 2.5m this tree due to large cavity at base of tree. T2 - Oak Tree - Reduce one Oak tree by 1.5m due to excessive shading Granted 0
6/2024/1125/TPO 2 x Oaks to reduce back to previous pruning points. Under TPO 24 A3 or TPO640 (2017) G3 Granted
6/2024/0045/TPO Tree T1 - Sweet Chesnut in the site plans - trim of canopy to original growth points and removal of epicormic growth on the trunk. Tree T2 - English Oak - trim of canopy to original growth points and removal of epicormic growth on the trunk. TPO 640 (2017) Granted 0
6/2023/0888/TPO T1 reduce oak by 1.5 metres due to size and risk of damage. T4 reduce oak by 1.5 metres due to excessive shading and risk of damage. All trees covered by TPO 640 (2017) Granted 0
6/2022/2313/TPO T1 - Oak Tree - Reduce by 30% (3 meters) due to excessive shading T2 - Oak Tree - Reduce by 30% (3 meters) due to excessive shading T3- Chestnut Tree - Reduce by 30% (3 meters) due to excessive shading All trees covered by TPO 640 (2017) G3 Granted 0
6/2021/2508/TPO T1 - Oak - Fell to ground level due to basal decay and proximity to properties T2 - Oak - Reduce oak by approximately 2m to suitable growth points to allow more light T3 - Sweet Chestnut - Reduce crown by 3m Granted 0
6/2021/1309/TPO TPO 640: G5 (Oak x2) - Reduce by one third and thin TPO 640: T9 and T10 (Spruce x2) - Remove wind damaged branches TPO 640: T8 (Cedar) - Remove wind damaged branch Granted 0
6/2021/0796/TPO Reduce 2 x Oak by 1.5m, remove epicormic growth to height of 5m above ground level. RH Oak to remove low limb over summer house. Granted
6/2020/3066/TPO T1 Oak - 30% Thin, T2 Oak - 30% Thin, T3 Sweet Chestnut - 30% Thin Granted 0
6/2020/0397/TPO Reduce 1 x Oak (T1) TPO 640 (2017) G6 by 25% and crown lift to 7m Reduce 1 x Oak (T3) TPO 24) A3 by 25% and crown lift to 4m Reduce 1 x Pine (T2) TPO 640 (2017) G6 by 25% Granted 0
6/2018/2854/COND Submission of details pursuant to condition 1 (Existing Ground Levels) and 2 (Soft and hard landscape) on planning permission 6/2018/1461/HOUSE Granted 0
6/2018/2734/TPO Reduce 2x Oak Trees and 1x Sweet Chestnut Tree by approximately 30% - Covered by TPO 640 (2017) Granted 0
6/2018/1461/HOUSE Erection of a car port Granted 0
6/2018/0283/TPO 1x Scots Pine Tree Covered by G6 - TPO 640 (2017). Tree requires rebalancing and 1x Cedar Tree Covered by T8 - TPO 640 (2017) requires rebalancing No Objection 0
6/2017/2424/TPO Reduce 2x Oak trees and 1x Horse Chestnut tree by 30% covered by TPO 24 & TPO640 Granted 0
640 (2017) for the continued amenity of the land. 0
6/2017/1166/HOUSE Erection of storage building in front garden Granted 0
6/2017/1167/TPO Removal of Ornamental Cherry tree (T7) located in front garden covered by TPO 599 (2016) Granted 0
6/2017/0948/TPO T14 - Oak To thin and reduce by approximately 1/3 and T15 -Oak To reduce by approximately 1/3 covered by TPO 599 (2016) Granted 0
6/2017/0629/TPO Reduce and shape two Oak tree crowns by upto 30%, removing lateral growth by approximately 1.5-2m, cutting back to nearest suitable growing point, to leave a flowing branch line without stumps and the main canopy framework. Reduce and shape one Alianthus by upto 35% removing lateral growth by approximately 2-2.5m also cutting back to nearest suitable growing point, to leave a flowing branch line without stumps and the main canopy framework plus fell Ash, Laburnum, Beech, Holly, Lime & Cherry above as close to ground level covered by TPO 24 Granted
6/2016/0547/HOUSE Installation of front porch and erection of two storey extension to include two dormer windows Granted 0
6/2016/0111/HOUSE Erection of two storey rear extension, first floor side extension over double garage and new dormer window to front Granted 0
6/2015/2062/VAR Variation of condition 2 (approved plans) on planning permission N6/2014/0879/FP Granted 0
6/2015/1614/COND Approval of details reserved by condition 3 (landscaping) and condition 4 (rendering) on planning permission N6/2014/0879/FP Refused 0
N6/2015/0568/S73B Variation of conditions 2 (approved plans) and 3 (landscaping) of planning permission N6/2014/0879/FP Refused 0
N6/2014/2602/FP Erection of a single storey rear extension Granted 0
N6/2014/1379/FP Erection of two storey rear extension Appeal Allowed 0
N6/2014/2313/FP Erection of two storey side extension, detached garage and new pitched roof over retained section of garage to be partially demolished Granted 0
N6/2014/2089/TP Reduce back to previous pruning points the two Oak trees (T1 & T2) covered by TPO 24 A3 Granted
N6/2014/2020/FP Erection of two storey front extension and ground and first floor rear extensions Granted 0
N6/2014/1379/FP Erection of two storey rear extension Refused 0
N6/2014/0879/FP Proposed new garage and porch extensions, enlargement of rear dormer and rendering of existing house Granted 0
N6/2014/0615/FP Erection of two storey side extension, new pitched roof over retained section of garage and new detached garage following partial demolition of existing attached garage Refused 0
N6/2014/0422/TP Reduction by 20% to Oak tree (T1) and 30% reduction to Oak tree (T2) and Sweet Chestnut tree (T3) covered by TPO 24 A3 Granted 0
N6/2013/2608/FP Erection of two storey side and rear extension, and front porch Refused 0
N6/2012/1206/TP Removal of goat willow (T1), Reduce bough of oak (T2), Tip back oak (T3) from building and remove epitomic from sweet chestnut (T8) Granted 0
N6/2012/1050/FP Formation of loft conversion, first floor rear and ground floor side extensions Granted 0
N6/2012/0987/TP Fell to ground Larch covered by TPO24 A3 Granted
N6/2008/0241/TP REDUCTION OF TWO OAKS AND ONE SWEET CHESNUT COVERED BY TPO 24, AREA 3, BACK TO PREVIOUS PRUNING POINTS Granted 0
N6/2007/0660/TP WORK TO TREES COVERED BY TPO 24 AREA 3, TO REMOVE BEECH (2), SMALL OAK (4) AND SMALL PINE (6) AND PRUNE BACK BY 30% SMALL OAK (1) AND LARGE OAK (3) AND PRUNE BACK PINE (5) BY 20%. Granted 0
N6/2007/0665/TP CUT BACK BRANCHES TO LARCH TREE BY 1.5M, 1 OAK REDUCE BY 25% AND REMOVE DEAD WOOD (TPO 24 AREA 3) Granted
N6/2007/0349/LU FIRST FLOOR FRONT EXTENSION AND SECOND FLOOR (LOFT) REAR EXTENSION. Refused 0
N6/2003/0142/FP ERECTION OF A REAR CONSERVATORY Granted
N6/2002/1112/FP ERECTION OF A REAR CONSERVATORY Withdrawn
N6/2001/0102/FP DETACHED GARAGE Granted
N6/2000/0529/FP NEW ROOF INCORPORATING NEW FRONT AND REAR DORMERS AND NEW FRONT PORCH Granted
N6/1998/0587/TP Thin canopy by 20-30% and reduce height by 10% of Pine tree, covered by TPO 24 Area 3 Granted
N6/1998/0588/TP Remedial works to Oak trees, covered by TPO 24 Area 3 Granted 0
N6/1997/0265/TP Felling of 1 No. Birch and 1 No. Sorbos tree covered by TPO 24 Area 3. Granted 0
N6/1995/0378/TP Prune and remove dead wood from 2 No. Oaks and 1 No. Sweet Chestnut. Remove damaged trunk from 1 No. Oak covered by TPO 24 (Area 3) Granted 0
N6/1992/0211/TP Tree works to Oak tree Granted 0
N6/1991/0925/TP Tree works to two chestnut and one oak tree Granted 0
N6/1991/0657/FP Single and two storey rear extension Granted 0
N6/1990/0442/FP Single storey rear extension Granted 0
N6/1987/0926/FP Single storey front and side extension and provision of two new dormers to front and one to the rear Granted 0
N6/1983/0200/ Two storey side extension and garage Granted 0
N6/1981/0169/ Ground floor extension and loft conversion Granted
24 (1976) For the continued amenity of the land. 0

There are no NMAs associated with this application