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Planning Application: 6/2026/1205/TPO




WORKS TO TREES WITH TREE PRESERVATION ORDER
Under Consideration
Ms Miriam Hill
m.hill1@welhat.gov.uk
12 Mardley Hill Welwyn AL6 0TN
TPO 24 T2 - 1 x Oak to remove in sections to ground level. Tree is suppressed by neighbouring tree leaving a high canopy, blocking lights to neighbouring gardens as part of a larger group **a reduction doesnt seem suitable due to the existing canopy shape. Reducing the tree significantly will create a denser thicker poorly attached growth. Client happy to replant T3 - 1 x Beech tree to reduce overhanging lateral branches by approximately 2m. Reduce lateral overhang to no 16 as tree is too close to boundary and excessive overhang is leaving bird poo on kids play equipment
525033
218116

  • Welwyn East

  • Councillor Julie Cragg
  • Councillor Claire Hunt
  • Councillor Durk Reyner
Welwyn
100080989479
10/07/2026
13/07/2026
16/07/2026
Mrs Kate Ryan
Mrs Nibun Gupta
17 Crossway Welwyn Garden City AL8 7ED
12 Mardley Hill Welwyn AL6 0TN
Description Distance
Minerals Safeguarding Area 0.00
Parish 0.00
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 (238 kb) Description: Applicationformredacted Created Date: 10/07/2026
Plans
File: 12 Mardley Hill.pdf (359 kb) Description: Location Plan Created Date: 10/07/2026
File: Sketch plan 12 Mardley Hill.docx (457 kb) Description: Tree Sketch Plan Created Date: 10/07/2026
Organisation Name Sent Reply Due Reply Received
Welwyn Hatfield Borough Council Councillor Claire Hunt 16/07/2026
Welwyn Hatfield Borough Council Councillor Claire Hunt 16/07/2026
Welwyn Hatfield Borough Council Councillor Durk Reyner 16/07/2026
Welwyn Hatfield Borough Council Councillor Durk Reyner 16/07/2026
Welwyn Hatfield Borough Council Councillor Julie Cragg 16/07/2026
Welwyn Hatfield Borough Council Councillor Julie Cragg 16/07/2026
Welwyn Parish Council Kharlie Staves 16/07/2026
Welwyn Parish Council Kharlie Staves 16/07/2026

There are no neighbours associated with this application

Application Number Proposal Decision Distance
6/2026/1108/TPO T1 - 1 x Oak to reduce by approximately 2m height and width, ensuring to cut back clearing the house sufficiently. Oak reducing due to canopy in close proximity to property and roof. (Covered by TPO 24 A3) 0
6/2024/0734/TPO 1 x Beech to reduce by approximately 4m in height. The upper canopy is to be reduced by approximately 2m and the lower canopy by up to 4m. Tree has a large included union at the tree Biforcates. There is also lower bark cracking on each side below the inclusions. The aim is to reduce stress on the union while reducing size of the tree also minimising debris & bird droppings falling on cars TPO 24 A3 Granted 0
6/2021/3134/TPO T3 - crown reduce 1 x oak tree by 2-3m and remove deadwood Granted 0
6/2021/2127/TPO T1 - oak - crown reduce 1-2m and deadwood T2 - oak fell to ground level T3 - beech - crown reduce 4-5m T4 - beech - crown reduce 4-5m Granted
6/2021/0943/TPO T1 - re-pollard 3-4m T2 - fell Beech tree to ground level T3 - oak tree 3-4m crown reduction T4 - Beech tree 5-6m crown reduction Refused
6/2021/0944/TPO T1 - Beech 5-6m crown reduction T2 - Beech 5-6m crown reduction Granted 0
6/2020/1875/HOUSE Erection of a single storey rear extension Granted 0
6/2018/2987/TPO Fell 1 x Maple tree (T1) and replace with Maple tree, reduce 1 x Oak tree (T2) by 30 %, 1 x Hornbeam tree (T3) by 30 %, row of 4 x Hornbeam trees by 50 % and row of 8 x Hornbeam trees by 2m covered by TPO 800 (2018) Granted
6/2018/1657/TPO Reduce 1 x Oak tree by 40% Granted 0
641 (2017) for the continued amenity of the area following a review of the landscape. 0
6/2016/0833/TPO Reduce Beech tree by upto 12ft covered by TPO 24 (1976) Granted 0
6/2016/1107/TPO Reduce and shape crown on Oak tree by 35% on TPO 24 Area 3 (1976) Granted 0
6/2016/0191/TPO Fell 9 Sycamore trees, 1 Beech tree and 1 Oak tree plus reduce 2 Beech trees, 1 Chestnut tree and 1 Oak trees by 25% covered by TPO 24 Granted
N6/2011/1766/TP Reduce Beech and Oak tree by 20% Granted
N6/2011/2176/TP Reduce height and spread of Beech tree by 20% Granted 0
N6/2010/3020/TP Removal of Larch covered by TPO 24 G4 Granted 0
N6/2010/2324/TP 20% reduction of Beech marked T4 and 30% reduction Oak tree marked T1 on plan covered by TPO 24 A3 Granted 0
N6/2005/0621/TP PROPOSED WORKS TO TREE T1 (OAK) COVERED BY TPO 24, AREA 3 Granted 0
N6/2002/0779/FP TWO STOREY FRONT EXTENSION Granted
N6/2001/1557/FP SINGLE STOREY REAR EXTENSION Granted 0
N6/2001/1400/DT 12 METRE HIGH MAST, THREE ANTENNAS AND EQUIPMENT CABINET Granted 1
N6/2001/0571/TP REMOVAL OF LOWER LIMB GROWING OVER LAWN AND REDUCE REMAINING CROWN FACING PROPERTY BY 20% TO BALANCE Granted 0
N6/2000/1421/FP DETACHED DOUBLE GARAGE Granted 0
N6/1999/0904/TP PRUNING OF ONE TREE ON NORTH EAST SIDE OF HOUSE AND LOPPING OF FOUR OTHER TREES ON THE WEST BOUNDARY, COVERED BY TPO 24 Granted
N6/1998/0113/TP Remedial work to trees covered by TPO 24 Area 3 Granted 0
N6/1996/0840/TP Fell Oak tree covered by TPO 24, Area 3 Granted 0
N6/1994/0474/TP Felling of Beech tree and reduce and maintain Oak tree to 50% Granted 0
N6/1992/0714/FP Erection of conservatory Granted
N6/1991/0258/TP Remove Silver Birch from rear garden, lop Beech tree in front garden and on side boundary Granted 0
N6/1988/0413/FP Erection of five detached houses with garages Granted 0
N6/1987/0700/FP First floor extension above existing garage and two storey rear extension Granted 0
N6/1987/1068/FP Erection of detached dwelling with double garage after demolition of existing dwelling Granted 0
N6/1977/0596/ Ground floor side and rear extensions Granted 0
24 (1976) For the continued amenity of the land. 0

There are no NMAs associated with this application