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Planning Application: 6/2026/1616/TPO




WORKS TO TREES WITH TREE PRESERVATION ORDER
Under Consideration
Ms Louise Wileman
l.wileman@welhat.gov.uk
HMWT Gobions Wood Nature Reserve Off Mymms Drive Potters Bar AL9 7AF
Mature Ash tag 895 with multiple cavities and evidence of long term Inonotus hispidus decay with multiple fruiting bodies on stem and around the tree on the ground Heavily declining Hawthorn tag 487, adjacent to and leaning over carpark, fell to fence height, all arisings removed Mature multi-stemmed Ash tag 35 tree has multiple inclusions with decay and leans over carpark, fell to fence height, all arisings removed
524973
203847

  • Brookmans Park & Little Heath
  • Councillor Mark Short
  • Councillor Fiona Thomson
  • Councillor Craig Stanbury
North Mymms
100080963164
17/09/2026
17/09/2026
02/10/2026
Herts & Middlesex Wildlife Trust
Herts & Middlesex Wildlife Trust
Grebe House St Michael's Street St Albans SG14 3NW
Grebe House St Michael's Street St Albans SG14 3NW
Description Distance
Listed Buildings Combined 43.77
Flood Zone 2 0.00
Flood Zone 3 0.00
Flood Zone 3b 0.00
Green Belt 0.00
Landscape Character Area 0.00
Parish 0.00
Rights of Way 0.00
Surface Water High 1 in 30 0.00
Surface Water Medium 1 in 100 0.00
Surface Water Low 1 in 1000 0.00
Wildlife Sites 0.00
Wildlife Sites 0.00
Wildlife Sites 0.00
Hertfordshire Ecological Network 0.00
Hertfordshire Ecological Network 0.00
Hertfordshire Ecological Network 0.00
Sand and Gravel Belt 0.00
Historic Parks and Gardens 0.00
LEADS Ecology Consultation Area 0.00
Great Crested Newts DLL Risk Zones 0.00
Great Crested Newts DLL Risk Zones 0.00
Elstree Aerodrome Safeguarding Area 0.00
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Delegated

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File Description Date Uploaded
Application Form - Without Personal Information
File: ApplicationFormRedacted.pdf (228 kb) Description: Applicationformredacted Created Date: 17/09/2026
Plans
File: Gobions Tree Safety Work 2026.pdf (1651 kb) Description: Location Plan Created Date: 17/09/2026
Tree Survey
File: Gobions Tree Safety Work 2026.xlsx (9 kb) Description: Gobions Tree Safety Work 2026 Created Date: 17/09/2026
Organisation Name Sent Reply Due Reply Received
Welwyn Hatfield Borough Council Councillor Craig Stanbury 02/10/2026
Welwyn Hatfield Borough Council Councillor Craig Stanbury 02/10/2026
Welwyn Hatfield Borough Council Councillor Fiona Thomson 02/10/2026
Welwyn Hatfield Borough Council Councillor Fiona Thomson 02/10/2026
Welwyn Hatfield Borough Council Councillor Mark Short 02/10/2026
Welwyn Hatfield Borough Council Councillor Mark Short 02/10/2026
North Mymms Parish Council Linsey Steell 02/10/2026
North Mymms Parish Council Linsey Steell 02/10/2026

There are no neighbours associated with this application

Application Number Proposal Decision Distance
6/2025/1747/HOUSE Erection of a front boundary wall with pillars, railings and gates with light columns attached Granted 0
6/2025/1610/FULL Erection of two stables following demolition of existing stables Granted 0
6/2025/1352/TPO T1 Oak tree that is located in the rear of the property between 24 and 26 Crown reduce height by 3m and side by 2-2.5m, remove deadwood and epicormic growth from the main trunk. This will help manage the size and shape of the tree and allow more light into the surrounding areas TPO 696 (2017) Granted 0
6/2024/2265/LAWP Certificate of lawfulness for a proposed detached outbuilding in rear garden Granted 0
6/2024/1824/COND Submission of details pursuant to condition number 3 (Hard and Soft Landscaping) on planning permission 6/2021/1339/FULL Granted 0
6/2024/1128/HOUSE Erection of a single storey rear extension with first floor rear balcony to include privacy screening following the demolition of existing rear extension Granted 0
6/2024/1123/HOUSE Erection of a single storey rear extension following the demolition of existing rear extension Granted 0
6/2024/0759/COND Submission of details pursuant of condition 2 (Crown Roof) on planning permission 6/2021/1339/FULL Granted 0
6/2024/0760/COND Submission of details pursuant of condition 3 (landscaping scheme) on planning permission 6/2021/1339/FULL Refused 0
6/2024/0687/COND Submission of details pursuant to condition number 1 (Materials) on planning permission 6/2021/1339/FULL Granted 0
6/2024/0527/HOUSE Proposed front boundary wall and entrance gates Granted 0
6/2023/2409/COND Submission of details pursuant to condition number 1 (details of crown roof), 2 (materials samples) and 4 (landscaping plans) on planning permission 6/2023/1412/FULL Granted 0
6/2023/2197/COND Submission of details pursuant to condition number 1 (Materials) on planning approval 6/2023/1046/HOUSE Granted 0
6/2023/1975/TPO Removal of 1 x oak covered by TPO 45 Granted 0
6/2023/1412/FULL Erection of dwelling and installation of front boundary treatment following demolition of the existing dwelling Granted 0
970 (2023) for the continued amenity of the area following a review of the landscape 0
6/2023/1046/HOUSE Erection of two storey side extension, single storey rear extension, entrance canopy, rear dormer and garden room, following demolition of existing garage. Granted 0
6/2022/2414/HOUSE Erection of single storey rear extension following the demolition of existing extension Granted 0
6/2022/2412/PN8 Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3m in height and 3m to the eaves following the demolition of existing extension Refused 0
6/2022/1732/PN8 Prior approval for single storey rear extension measuring 7 metres deep with a maximum height to 3 metres and 2.8 metres to the eaves Refused 0
6/2022/1020/TPO Reduction of 4-5m of remaining lateral at top of tree and a reduction of 4-5m of southern lateral growing over path, owing to partial collar removal where the central stem has failed and removal of branch on the underside of the southern lateral to a suitable growh point 3metres below of trees covered by TPO 16 (1973) Granted
6/2022/0220/COND Submission of details pursuant of condition 2 (details of crown roof) on planning permission 6/2021/2390/HOUSE Granted 1
6/2021/3383/TPO Reduction of Western Red Cedar by 25% covered by TPO 16 (1973) Granted
6/2021/3193/TPO Removal of 2 dying and dangerous ash trees covered with TPO 16 (1973) Granted 0
6/2021/2390/HOUSE Conversion of roof space to habitable use to include 2 x rear dormers with juliet balcony including raising of roof ridge by 400mm Granted 1
6/2021/1334/HOUSE Erection of a ground and first floor side extension with internal alterations and new gable over bedroom 4 Granted 0
6/2021/1339/FULL Erection of dwelling following demolition of existing Granted 0
6/2021/1145/COND Submission of details pursuant to condition numbers 3 (sample materials) and 5 (details of external rear balcony screening) on planning permission S6/2015/0228/FP Granted 0
6/2021/1051/COND Submission of details pursuant to condition 2 (planting proposals for the front garden), on planning permission 6/2017/2162/HOUSE Granted 0
6/2021/0720/HOUSE Retention of existing outbuilding Granted 0
6/2020/2656/TPO T1 Oak crown reduction from 9.6m to 8m and height reduction 17m to 15m. T2 Oak crown reduction from 17.4m to 14m wide and height from 17m to 15m. Granted 0
6/2020/2687/FULL Erection of a dwelling following demolition of existing Refused 0
6/2020/2718/HOUSE Erection of front dormer, replacement front porch, alterations to openings and facing materials Granted 0
6/2020/1562/HOUSE Erection of part first floor part two storey side extension, erection of balustrade, hip to gable roof extension, and 2 no. front dormer windows. Granted 0
6/2020/0728/TPO Fell 1 x Lime Tree [T1] Reduce 4 x Lime Trees [ T2 - T5] Granted 0
6/2019/1582/FULL Erection of 1x dwelling and 2x replacement bridges following demolition of existing buildings and bridges Refused 0
6/2019/1610/TPO Reduce T1 1x Pine tree to 15ft covered on TPO 16 (1973) Granted 0
6/2018/2242/FULL Erection of a detached dwelling and two replacement bridges following the demolition of existing buildings Refused 0
6/2018/1562/TPO Reduce 1 x Oak tree (T1) by 1-2 m and 1 x Horse Chestnut tree (T2) by 1 m covered by TPO 4 (HRD) Granted 0
6/2018/1033/COND Submission of details pursuant to condition 1 (material samples) & 4 (plans of hard and soft landscape works) on planning permission 6/2016/2288/HOUSE, dated 23/01/17 Refused 0
6/2018/0579/FULL Erection of a 4-bedroom dwelling following the demolition of existing stables and outbuildings Withdrawn 0
696 (2017) for the continued amenity of the land. 0
6/2017/2162/HOUSE Erection of front boundary wall with railings, piers and gates Granted 0
6/2017/0977/HOUSE Erection of wall, railings, piers and gates facing road. Refused 0
6/2017/0882/TPO 8 limes trees (G2) to top (reduce in height) by 3m and crown reduce (radius) by up to 3m an oak (T3) covered by TPO 4. Granted 0
6/2017/0369/HOUSE Erection of wall with railings & gates facing road. Refused 0
6/2016/2288/HOUSE Erection of part single/part two storey side and rear extension, part single/part two storey rear extension following demolition of existing conservatory, two rear dormers, raising of roofline, front portico, alterations to fenestrations and openings, full brick face to front elevation, full render to sides and rear elevations & entrance gates, front boundary wall and railings. Granted 0
6/2016/1127/HOUSE Erection of first floor front extension and porch infill Granted 0
S6/2015/0228/FP Erection of a 2 storey front extension, single storey side extension, part single part double rear extension. Roof extension and conversion with front and rear dormers and side roof windows Granted 0
S6/2015/0174/FP Erection of two storey front extension, single storey porch, part single storey and part two storey rear extension and single storey side extension Granted 0
S6/2015/0120/FP Loft conversion including rear dormers Granted 0
S6/2014/2558/DS Approval of details reserved by condition 3 (details of colour finish of the walls and piers) of planning permission S6/2014/1663/FP Granted 0
S6/2014/1854/FP Loft conversion including 3 rear dormers Refused 0
S6/2014/1579/FP Erection of two storey front extension, part single storey and part two storey rear extension and single storey side extension Withdrawn 0
S6/2014/1663/FP Retention of boundary wall, installation of metal railings and new resin bound driveway Granted 0
S6/2014/1427/LUP Certificate of Lawfulness for proposed loft conversion including rear dormers Withdrawn 0
S6/2013/0327/FP Garage conversion, front canopy and first floor rear extension Granted 0
S6/2013/0328/FP Garage conversion, front canopy, first floor rear extension and raising of main roof to accommodate loft conversion Granted 0
S6/2013/0004/FP Erection of first floor and ground floor extensions and extension to raised patio Granted 0
S6/2012/1312/LUE Certificate of lawfulness for existing use of land as residential garden, ancillary to the use of the adjoining dwelling of 60 Mymms Drive Granted 0
S6/2011/1781/FP Erection of single storey side and rear extension following demolition of existing side garage and rear conservatory and photovoltaics on rear elevation Granted 0
S6/2011/1483/FP Erection of agricultural barn with stabling, hardstanding and planting Refused 0
S6/2011/0857/FP Erection of part single part two storey side extension, single storey rear extension and photovoltaic panels. Granted 0
429 2009 for the continued amenity of the land. 0
S6/2010/0334/FP ERECTION OF SINGLE STOREY AND TWO STOREY REAR EXTENSION Granted 0
S6/2009/2676/FP RETENTION OF FRONT GARDEN WALL, PIERS AND GATES Refused 0
S6/2008/1861/FP ERECTION OF GROUND FLOOR AND FIRST FLOOR REAR EXTENSION, REAR CONSERVATORY AND NEW FRONT PORCH Granted 0
S6/2008/0789/FP INSTALLATION OF REAR DORMER WINDOW AND ROOFLIGHT TO SIDE ELEVATION Granted 0
S6/2005/0625/FP ERECTION OF NEW COUNTRY HOUSE Appeal Dismissed 0
S6/2006/0615/FP PROPOSED RAISING OF RIDGE ROOF AND ALTERATIONS FROM HIPPED TO GABLE END (VARIATION OF PLANNING PERMISSION S6/2005/559/FP) Granted 0
S6/2005/1441/FP ERECTION OF SIX BEDROOM DWELLING - ADMENDMENTS TO PLANNING PERMISSION S6/2005/412/FP. Granted 0
S6/2005/0625/FP ERECTION OF NEW COUNTRY HOUSE Refused 0
S6/2005/0559/FP ERECTION OF SINGLE STOREY REAR EXTENSION AND ALTERATION TO ROOF INCLUDING FRONT AND REAR DORMERS TO PROVIDE FIRST FLOOR ACCOMODATION Granted 0
S6/2005/0412/FP DEMOLITION OF EXISTING DWELLING AND ERECTION OF SIX BEDROOM DWELLING Granted 0
S6/2005/0114/FP ERECTION OF TWO STOREY REAR EXTENSION AND REAR DORMER WINDOWS Granted 1
S6/2004/1889/FP PART SINGLE STOREY REAR EXTENSION, PART TWO STOREY FRONT, REAR AND SIDE EXTENSIONS AND LOFT CONVERSION Granted 0
S6/2004/0172/FP ERECTION OF PART SINGLE, PART TWO STOREY REAR EXTENSIONS Granted 0
S6/2003/1701/FP ERECTION OF A NEW COUNTRY HOUSE Refused 0
S6/2003/1586/FP RETENTION OF EXISTING CONSERVATORY Granted 0
S6/2003/0587/FP ERECTION OF 1.3m BOUNDARY WALL AND GATES Granted 0
S6/2002/0968/FP ERECTION OF FRONT GARDEN WALL AND GATES Refused 0
S6/2001/1088/FP ERECTION OF FRONT BOUNDARY WALL Granted 0
S6/2001/0433/FP ERECTION OF SINGLE STOREY FRONT EXTENSION Granted 0
S6/2000/0992/FP ERECTION OF SINGLE STOREY REAR EXTENSION AND REAR CONSERVATORY Granted 0
S6/2000/0501/FP ERECTION OF BOUNDARY WALL AND ENTRANCE GATES Refused 0
S6/2000/0502/FP ERECTION OF PART TWO STOREY AND PART SINGLE STOREY SIDE EXTENSION AND SINGLE STOREY FRONT EXTENSION Granted 0
S6/1999/0683/FP Erection of rear conservatory Granted 0
S6/1998/0870/FP Erection of a single storey front and side extension, and rear conservatory Granted 0
S6/1998/0790/FP Erection of a first floor front and side extension, a two storey rear extension, and a rear conservatory Granted 0
S6/1998/0751/FP Erection of two storey rear extension and conservatory Granted 0
S6/1997/0025/FP Erection of a front porch Granted 0
S6/1996/0977/FP Erection of single storey rear extension Granted 1
S6/1996/0957/FP Change of use of land from agricultural to residential garden land Refused 0
S6/1995/0946/FP Single storey side extension Granted 0
S6/1995/0500/FP Erection of single storey rear extension Granted 0
S6/1994/0522/FP Erection of boundary fence Granted 1
S6/1994/0479/FP Single storey side extension Granted 0
S6/1993/0642/FP Erection of one detached dwelling Appeal Dismissed 0
S6/1994/0274/FP Part demolition and erection of two storey side and rear extension and first floor front extension Granted 1
S6/1993/0642/FP Erection of one detached dwelling Refused 0
S6/1993/0089/FP Two storey and single storey rear extension and pitched roof to front of garage Granted 1
S6/1992/0772/FP Erection of detached dwelling and garage Granted 0
S6/1992/0723/FP Single storey side extension Granted 0
S6/1992/0443/FP Erection of 4 bedroom detached house Granted 0
S6/1992/0397/FP Two storey side extension; erection of front entrance porch Granted 0
S6/1992/0146/FP Enlarged rear extension and additional chimney stack on eastern elevation. (Revisions to planning permission S6/0884/91/FP) Granted 0
S6/1992/0043/FP Erection of one detached house Withdrawn 0
S6/1991/0884/FP Part two storey, part single storey rear extension; single storey front and side extensions Granted 0
S6/1991/0714/TP Woodland Management Scheme including cutting down and coppicing of Sycamores Granted 0
S6/1991/0206/FP Single storey side extension to provide double garage, rear conservatory and swimming pool enclosure Granted 0
S6/1991/0037/FP Partial demolition of existing dwelling ,rebuilding incorporating two storey and single storey front, side and rear extensions and formation of second vehicular access Granted 0
S6/1990/0729/FP Demolition of existing garage, erection of new detached garage, two storey side extension & single storey front extension to form covered walkway Granted 0
S6/1990/0436/FP Demolition of existing garage and single storey front and rear extensions; erection of two storey side and single storey front and rear extensions and new roof Granted 0
S6/1990/0243/FP Single storey side and rear extensions Granted 0
S6/1989/0803/FP Demolition of existing house and erection of new detached house with double garage and ancillary swimming pool and leisure facilities Granted 0
S6/1989/0601/FP Erection of a single dwelling house after demolition of existing building Withdrawn 0
S6/1989/0480/FP Erection of double garage Granted 0
S6/1988/1034/OP Site for one detached dwelling house with new access
S6/1988/0712/FP Two storey rear extension Granted 1
S6/1988/0163/FP Two storey side extension after demolition of existing garage Granted 0
S6/1988/0284/FP Single storey rear extension and provision of new window to front Granted 0
S6/1988/0408/FP Two storey rear extension. First floor and side extensions Granted 0
S6/1988/0569/FP Single storey rear extension Granted 0
S6/1988/0570/FP Two storey rear and side, single storey front, side and rear extensions Granted 0
S6/1988/0774/FP Two storey side and single storey side, front and rear extensions Granted 0
S6/1988/0926/FP First floor side extension Granted 0
S6/1988/1034/OP Site for one detached dwelling house with new access Refused 0
S6/1987/0268/FP Two storey and single storey side extension Granted 0
S6/1987/0431/FP Two storey side and rear extensions, single storey side and front extensions Granted 0
S6/1987/1005/FP Single storey rear extension and new conservatory Granted 0
S6/1986/0029/FP Detached house and double garage Granted 0
S6/1986/0122/FP Two storey side and rear single storey rear extension Granted 0
S6/1986/0178/FP First floor side extension Granted 0
S6/1986/0780/FP Erection of dwelling house and detached double garage Refused 0
S6/1985/0180/ Two storey side and single storey rear extension and detached caravan/car port Granted 0
S6/1985/0527/FP Single storey rear extension Granted 0
S6/1985/0647/FP Two storey and single storey rear extension Granted 0
S6/1984/0004/ Bay window at rear of house Granted 1
S6/1984/0098/ Two storey and single storey side extension Granted 0
S6/1983/0081/ Site for detached house and garage Refused 0
S6/1982/0042/ Single storey front extension Granted 0
S6/1982/0426/ Site for detached dwelling house Refused 0
S6/1982/0455/ Single storey front and rear extensions to form self-contained unit Granted 0
N6/1981/0042/ Enlargement of dormer windows Granted 0
S6/1981/0406/ Retention of existing stables Granted 0
S6/1980/0680/ First floor side extension Granted 0
S6/1979/0249/ Two stables Granted 0
S6/1976/0313/ Ground floor rear extensions and front entrance porch Granted 0
S6/1976/0507/ First and ground floor side extension Granted 0
S6/1975/0517/ Two storey side extension Granted 0
S6/1974/0595/ Front entrance lobby Granted 0
16 (1973) - 0
E6/1964/0815/ Site for house and garage. Granted 0
E6/1964/1741/ Extension to house. Granted 0
E6/1958/1365/ Erection of house and garage. Granted 0
4 (HRD) - 0

There are no NMAs associated with this application