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Planning Application: 6/2026/1984/TPO




WORKS TO TREES WITH TREE PRESERVATION ORDER
Under Consultation
Ms Louise Wileman
l.wileman@welhat.gov.uk
11 Mardley Heights Welwyn AL6 0TX
2x oak trees to reduce by 30% with all works undertaken in accordance with BS3998 TPO 641 G4
525182
218037

  • Welwyn East
  • Councillor Julie Cragg
  • Councillor Claire Hunt
  • Councillor Durk Reyner
Welwyn
100080989467
02/11/2026
03/11/2026
Mr Gareth Napier
Mrs Linda Dickinson
82 Dalewood Welwyn Garden City AL7 2JW
11 Mardley Heights Welwyn Hertfordshire AL6 0TX
Description Distance
Minerals Safeguarding Area 0.00
Green Belt 35.83
Parish 0.00
Parish 75.14
Hertfordshire Ecological Network 0.00
Great Crested Newts DLL Risk Zones 0.00
View the location of this application on an Ordnance Survey map
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File Description Date Uploaded
Application Form - Without Personal Information
File: ApplicationFormRedacted.pdf (238 kb) Description: Applicationformredacted Created Date: 02/11/2026
Location Plan
File: 11 Mardley Heights.pdf (148 kb) Description: 11 Mardley Heightspdf Created Date: 03/11/2026
Organisation Name Sent Reply Due Reply Received
Welwyn Hatfield Borough Council Councillor Claire Hunt 09/11/2026
Welwyn Hatfield Borough Council Councillor Claire Hunt 09/11/2026
Welwyn Hatfield Borough Council Councillor Durk Reyner 09/11/2026
Welwyn Hatfield Borough Council Councillor Durk Reyner 09/11/2026
Welwyn Hatfield Borough Council Councillor Julie Cragg 09/11/2026
Welwyn Hatfield Borough Council Councillor Julie Cragg 09/11/2026

There are no neighbours associated with this application

Application Number Proposal Decision Distance
6/2026/1440/TPO 4 x English Oak (Quercus robur), identified as T1, T2, T3 and T4 on the accompanying sketch plan, protected under TPO 641 (2017). Proposed works: Crown reduction of up to 20%; crown thinning of up to 20%; crown lift to approximately 3–4m; removal of epicormic trunkal growth; selective pruning to provide approximately 2m clearance from the dwelling and approximately 1m clearance from overhead lines. Reason for works: Continued periodic arboricultural management of this established group of Oaks, maintaining appropriate clearance from the dwelling and overhead services whilst retaining a balanced, natural canopy and the amenity value of the trees. Granted 0
6/2022/2027/TPO 2x large Oak trees to reduce by 30% - Close to the house and neighbours property along with excessive shading TPO 641 (2017) G4 Granted
6/2020/0516/TPO Reduce 4 x Oak Trees by 20% and thin by 20% Granted 0
641 (2017) for the continued amenity of the area following a review of the landscape. 0
6/2015/2114/TPO Reduce Two Oak trees by 30% covered by TPO 24 Granted
N6/2014/1876/TP fell pine tree (A5) covered by TPO24 (A3) Granted 0
N6/2012/1067/LUP Use of garage a music teaching studio Refused 0
N6/2012/1062/S73B Variation of condition 1 (Time Extension) of planning permission N6/2009/351/FP Granted 0
N6/2011/1756/TP Reduce group of Oak trees in front garden by 3 metres Granted 0
N6/2010/0631/TP Reduce and shape T1 & T2 by 25%, crown volume and crown lift to a height of 5m and removal of branches less than 50mm in diameter covered by TPO 24 AREA 3 Granted
N6/2009/0351/FP ALTERATIONS TO ROOF INCLUDING; RAISING THE RIDGE, TWO STOREY, SINGLE REAR, FRONT GABLE EXTENSION, PORCH AND THE INSERTION OF FRONT AND REAR DORMERS Granted 0
N6/2008/0828/TP CROWN RAISE TO 4m AND CROWN REDUCTION BY 20% TO OAK TREES (T3) COVERED BY TPO 24 Granted 0
N6/2004/0500/FP ERECTION OF REAR CONSERVATORY Granted 0
N6/2002/1663/FP DETACHED GARAGE Granted 2
N6/2002/0611/FP SINGLE STOREY FRONT EXTENSION AND DETACHED TRIPLE GARAGE Granted 0
N6/1999/0303/FP Replacement of existing roof light with two front dormer windows Refused 2
N6/1998/0958/FP Proposed double garage in front garden Granted 0
N6/1998/0131/TP Reduce and reshape 2 No. Oak trees, covered by TPO 24, Area 3 Granted
N6/1993/0167/FP Single storey front extension Granted 0
N6/1993/0150/FP Dormer windows and hipped roof over porch Granted 0
N6/1991/0747/TP Consent to lop oak tree Granted
N6/1989/0111/FP Two new dormers to front elevation after removal of rooflight Refused 2
N6/1988/0629/FP Erection of detached double garage Granted 2
N6/1987/0303/FP Single storey side extension Granted 0
N6/1986/0522/ Two storey front and side extension Granted 2
N6/1985/0741/FP Single storey rear extension and loft conversion Granted 0
N6/1980/0042/ Conversion of cafe to residential dwelling and extension to garage Granted 0
N6/1980/0830/ Rear extension to provide a family room, play room and store Granted 0
N6/1979/0393/ Extension to provide a playroom and extensions to kitchen, dining room and garage Granted 0
N6/1979/0735/ New playroom and extensions to kitchen dining room and garage Granted 0
N6/1978/0078/ Demolition of existing transport cafe and bungalow and erection of three detached houses Granted 0
N6/1977/0345/ First floor extension Granted 0
N6/1977/0451/ Extension to cafe to provide overnight accommodation Refused 0
N6/1977/0654/ Demolition of existing late night transport cafe and bungalow and erection of 6 residential units Refused 0
24 (1976) For the continued amenity of the land. 0
N6/1976/0197/ Two storey and ground floor side extensions Granted 0
N6/1976/0442/ Site for demolition of existing cafe, bungalow and garages and erection of 8 dwellings with garages and parking areas Refused 0
N6/1976/0469/ Single storey rear extension Granted 0
N6/1975/0444/ Site for block of 14 flats with garages and parking Refused 0

There are no NMAs associated with this application