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Planning Application: 6/2025/2420/TPO




WORKS TO TREES WITH TREE PRESERVATION ORDER
Under Consideration
Ms M Hill
m.hill1@welhat.gov.uk
20 Mardley Heights Welwyn AL6 0SX
Fell 1 x Hornbeam. Reduce 2 x Silver birches by 30%. Covered by TPO 24 A3 and TPO 641 (2017)
525105
217980

  • Welwyn East

  • Councillor Roger Trigg
  • Councillor Julie Cragg
  • Councillor Terry Mitchinson
Welwyn
100080989470
18/11/2025
03/12/2025
11/12/2025
Mrs Sheila Alstrom
20 Mardley Heights Welwyn AL6 0SX
Description Distance
Parish 0.00
Parish 160.18
Flood Zone Surface Water 100mm 0.00
Flood Zone Surface Water 1000mm 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: plan_cgw_18-11-2025_12-41-23_Redacted.pdf (3176 kb) Description: Application Form - Redacted Created Date: 20/11/2025
Photographs
File: 20 mardley photos.pdf (1560 kb) Description: Photographs Created Date: 20/11/2025
Organisation Name Sent Reply Due Reply Received
Welwyn Parish Council Arooj Afzal 11/12/2025
Welwyn Parish Council Arooj Afzal 11/12/2025
Welwyn Hatfield Borough Council Councillor Julie Cragg 11/12/2025
Welwyn Hatfield Borough Council Councillor Julie Cragg 11/12/2025
Welwyn Hatfield Borough Council Councillor Roger Trigg 11/12/2025
Welwyn Hatfield Borough Council Councillor Roger Trigg 11/12/2025
Welwyn Hatfield Borough Council Councillor Terry Mitchinson 11/12/2025
Welwyn Hatfield Borough Council Councillor Terry Mitchinson 11/12/2025

There are no neighbours associated with this application

Application Number Proposal Decision Distance
6/2025/2248/FULL Erection of a single chalet dwelling 0
6/2024/1895/TPO 2 x Silver birches branches thinned out. Fell 1 x Hornbeam. (TPO 641 G5 (2017)) Refused
6/2023/2047/TPO To dig up self seeded Castinae and relocate it either elsewhere on land or to the local woods TPO 641 (2017) Withdrawn 0
6/2022/0862/TPO Reduce height of Holly and Elder tree by 20-30%. Removal of 4 overgrown conifers affecting building works to neighbours. Pruning of all trees and hedges on property in rear garden and front roadside, long overdue. Withdrawn 0
6/2021/3540/HOUSE Erection of single storey side extension following demolition of existing conservatory Granted
6/2021/0062/TPO 30% reduction of Spruce and Beech Granted 0
641 (2017) for the continued amenity of the area following a review of the landscape. 0
6/2016/1738/HOUSE Refurbishment and remodelling of garden area Granted 0
N6/2013/2292/FP Conversion of garage to residential annex with increase to ridge height and insertion of fenestration Refused
N6/2010/1868/TP Reduce Douglas Fir T1 by 30% and Beech T2 by 30% and Scots Pine T3 by 25% as marked on plan Part Approved / Part Refused 0
N6/2008/0814/FP ERECTION OF SINGLE STOREY SIDE EXTENSION Granted 0
N6/2006/1497/OP ERECTION OF TWO BED BUNGALOW AND ASSOCIATED WORKS Refused 0
N6/2002/1030/FP ERECTION OF A DETACHED FOUR BEDROOM DWELLING Refused 0
N6/1999/0035/TP Reduce crown of one Beech tree in front garden by 10%, covered by TPO 24 Granted 0
N6/1993/0750/FP Erection of boundary wall, and alterations to vehicle crossover Granted 0
N6/1992/0676/FP Single storey rear extension, dormer windows and conservatory and new chimney Granted
N6/1992/0515/FP Pitched roof to existing flat roof extensions Granted 0
N6/1991/0864/TP Various tree works Granted 0
N6/1991/0256/FP Two storey rear extension, new chimney to existing roof and dormer window to front elevation Granted
N6/1985/0713/FP Two chalet bungalows and double garages Granted 0
N6/1979/0304/ Site for dwelling house and garage Refused 0
24 (1976) For the continued amenity of the land. 0

There are no NMAs associated with this application