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Planning Application: 6/2026/1994/COND




APPROVAL OF DETAILS RESERVED BY CONDITION
Under Consultation
Ms Emily Kingswell
e.kingswell@welhat.gov.uk
45 Mardley Hill Welwyn AL6 0TT
Submission of details pursuant to Condition 1 (Arboricultural Method Statement & Tree Protection Strategy) & 2 (Soft Landscaping) on planning permission 6/2025/2022/HOUSE
525130
218082

  • Welwyn East

  • Councillor Julie Cragg
  • Councillor Claire Hunt
  • Councillor Durk Reyner
Welwyn
100080989503
03/11/2026
03/11/2026
02/12/2026
Your Plans UK
Ella King
Suite A1 Stevenage SG1 3UN
45 Mardley Hill Welwyn AL6 0TT
Description Distance
Minerals Safeguarding Area 0.00
Parish 0.00
Parish 108.69
Surface Water High 1 in 30 0.00
Surface Water Medium 1 in 100 0.00
Surface Water Low 1 in 1000 0.00
Hertfordshire Ecological Network 0.00
Great Crested Newts DLL Risk Zones 0.00
NATS Safeguarding Area Wind Turbine Development 0.00
LLA Aerodrome Safeguarding Area 0.00
London Heathrow Safeguarding Area 0.00
Delegated

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File Description Date Uploaded
Application Form - Without Personal Information
File: ApplicationFormRedacted.pdf (213 kb) Description: Applicationformredacted Created Date: 03/11/2026
Plans
File: 2174_YPUK_P007(A) - Existing Soft Landscaping Plan - P2.pdf (1376 kb) Description: Existing Soft Landscaping Plan Created Date: 03/11/2026
File: 2174_YPUK_P007(B) - Proposed Soft Landscaping Plan - P2.pdf (1587 kb) Description: Proposed Soft Landscaping Plan Created Date: 03/11/2026
File: BS5837 - 45 Mardley Hill - Arbtech TPP01 - 27-06-26-A0.pdf (654 kb) Description: Tree Protection Plan Created Date: 03/11/2026
Supporting Information
File: BS5837 - 45 Mardley Hill - Arbtech AMS 01 - 04-08-26.pdf (2063 kb) Description: Arboricultural Method Statement Created Date: 03/11/2026
Organisation Name Sent Reply Due Reply Received
Welwyn Hatfield Borough Council Councillor Claire Hunt 11/11/2026
Welwyn Hatfield Borough Council Councillor Claire Hunt 11/11/2026
Welwyn Hatfield Borough Council Councillor Durk Reyner 11/11/2026
Welwyn Hatfield Borough Council Councillor Durk Reyner 11/11/2026
Welwyn Hatfield Borough Council Councillor Julie Cragg 11/11/2026
Welwyn Hatfield Borough Council Councillor Julie Cragg 11/11/2026
Welwyn Parish Council Kharlie Staves 11/11/2026
Welwyn Parish Council Kharlie Staves 11/11/2026
Welwyn Hatfield Borough Council Landscapes/Tree Officer 11/11/2026 02/12/2026

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
6/2025/1960/LAWP Certificate of lawfulness for conversion of the detached garage into habitable space and replacing a garage door with french doors. Granted
6/2025/2022/HOUSE Erection of a single storey rear infill extension and a single storey rear extension following the demolition of the existing single storey rear lean-to. Installation of decking and steps down to the garden along the rear elevation and alterations to fenestration. Granted
6/2024/1922/TPO Oak tree to reduce by 25% back to previous cuts (TPO 641 (2017)) Granted 0
6/2022/0263/TPO T1 - Apple tree - reduce by 30% due to poor health and deadwood and decay within the crown. TPO 24 A3 T2 - Oak tree - to reduce back to previous points, 20% crown reduction. TPO 641 (2017) T4 - Growing over the drive - Previous coppice, reduce the weight of the stems to prevent potential split outs at base T3 - Large Beech tree - to reduce by 30%. TPO 641 (2017) T16 - Very close to the house in the back garden - excessive shading - growing over neighbours garden a fair amount Granted 0
6/2021/1697/TPO T1 - Sweet Chestnut repollard back to previous points gaining some control and access of light. T2 - Overall reduce and shape all round by approx 25%. T3 - T6 Are all neighbours trees. Looking to cut all trees back to boundary line T3 - Oak Tree to cut tree back to boundary line. T4 - T5 Lime Trees to cut trees back to boundary line. T6 - Pine Tree to shorten just a couple of limbs back a couple of meters. Granted 0
6/2020/2928/TPO G3 - Pine and Silver Birch - Reduce to ground level 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
6/2017/2321/TPO Crown reduce multi-stem oak by upto 30% covered by TPO 641 (2017) Granted 0
6/2016/1793/TPO Within the rear garden of 45 Mardley Hill Fell small decayed oak, Reduce oak back to previous pruning points and crown lift to 4m. High pollard two oaks to leave a scaffold framework Within the rear garden of 47: Crown reduce oak by 25% by TPO 24 (1976) Granted
6/2015/2135/TPO DD Application - Removal of tree (species unknown) plus Beech tree and Birch tree covered by TPO 24 Granted
N6/2015/0690/TP Reduce oak to previous cuts by 30%, removal of deadwood and thin. Reduce beech by 10% remove two lowest limbs and remove deadwood covered by TPO 24 A3 Granted 0
N6/2014/1876/TP fell pine tree (A5) covered by TPO24 (A3) Granted 0
N6/2011/1756/TP Reduce group of Oak trees in front garden by 3 metres Granted 0
N6/2010/1029/TP Crown thin by 20% , crown lift by 4 mts and crown reduction by 20% Beech tree covered by TPO 24 Area 3 Part Approved / Part Refused 0
N6/2009/1163/TP CROWN THINNING AND REDUCTION BY 20% AND LIFTING BY 4 METRES FOR 3 OAK TREES COVERED BY TPO 24 AREA 3 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
N6/2002/1663/FP DETACHED GARAGE Granted 0
N6/2000/0983/TP THIN CROWN OF BEECH TREE BY 15% AND THIN CROWN OF OAK TREE BY 20%, COVERED BY TPO 24, AREA 3 Granted 0
N6/1999/0303/FP Replacement of existing roof light with two front dormer windows Refused 0
N6/1998/0986/FP Proposed loft conversion, incorporating provision of three dormer windows and replacement of existing flat roof with pitched roof Granted 0
N6/1989/0111/FP Two new dormers to front elevation after removal of rooflight Refused 0
N6/1988/0629/FP Erection of detached double garage Granted 0
N6/1986/0522/ Two storey front and side extension Granted 0
N6/1985/0116/ Single storey rear extension Granted 0
N6/1985/0556/FP Single storey rear extension with basement Granted 0
N6/1984/0270/ 4 Foot high front boundary wall Granted 0
N6/1983/0306/ Porch and garage extension Granted 0
N6/1980/0830/ Rear extension to provide a family room, play room and store Granted 0
N6/1979/0348/ Single storey extension 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
24 (1976) For the continued amenity of the land. 0
N6/1975/0063/ Extension at floor level for bedrooms Granted 0

There are no NMAs associated with this application