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Planning Application: 6/2026/1335/PN8




Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
Under Consultation
Mrs Kerrie Charles
k.charles@welhat.gov.uk
31 Kentish Lane Brookmans Park AL9 6NG
Prior approval for 2x single storey rear extensions and 1x single storey side/rear extension measuring 8m in depth, 2.85m to the eaves and the maximum height of 4m
526089
204664

  • Brookmans Park & Little Heath
  • Councillor Mark Short
  • Councillor Fiona Thomson
  • Councillor Craig Stanbury
North Mymms
100080961921
30/07/2026
03/08/2026
04/09/2026
Mr Paul Dickinson
Mr B R Howe
Highway House Lower Froyle GU34 4NB
31 Kentish Lane Brookmans Park AL9 6NG
Description Distance
Minerals Safeguarding Area 0.00
Green Belt 0.00
Parish 0.00
Hertfordshire Ecological Network 0.00
Hertfordshire Ecological Network 0.00
Sand and Gravel Belt 0.00
LEADS Ecology Consultation Area 0.00
Great Crested Newts DLL Risk Zones 0.00
Elstree Aerodrome Safeguarding Area 0.00
View the location of this application on an Ordnance Survey map
Delegated

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File Description Date Uploaded
Application Form - Without Personal Information
File: ApplicationFormRedacted.pdf (299 kb) Description: Applicationformredacted Created Date: 30/07/2026
Block Plan
File: 517-PL-02 - Proposed Block Plan.pdf (223 kb) Description: Proposed Block Plan Created Date: 30/07/2026
Location Plan
File: 517-PL-01 - Location Plan.pdf (220 kb) Description: Location Plan Created Date: 30/07/2026
Plans
File: 517-PL-08 rev A - Proposed Roof Plan and Elevations 2.pdf (210 kb) Description: Proposed Roof Plan And Elevations 2 Created Date: 30/07/2026
File: 517-PL-07 rev B - Proposed Roof Plan and Elevations 1.pdf (231 kb) Description: Proposed Roof Plan And Elevations 1 Created Date: 30/07/2026
File: 517-PL-06 - Proposed Floor Plans.pdf (312 kb) Description: Proposed Floor Plans Created Date: 30/07/2026
File: 517-PL-05 - Existing Roof Plan and Elevations 2.pdf (229 kb) Description: Existing Roof Plan And Elevations 2 Created Date: 30/07/2026
File: 517-PL-04 - Existing Roof Plan and Elevations 1.pdf (231 kb) Description: Existing Roof Plan And Elevations 1 Created Date: 30/07/2026
File: 517-PL-03 rev B - Existing Floor Plans.pdf (239 kb) Description: Existing Floor Plans Created Date: 30/07/2026
Planning Statement
File: Welwyn Hatfield 01 - prior notification_Redacted.pdf (310 kb) Description: Planning Statement -Redacted Created Date: 03/08/2026
Appeal Decision(s)
File: Appeal 3189849 and 3189850 gaps between extensions.pdf (230 kb) Description: Appeal Decisions Created Date: 30/07/2026
Organisation Name Sent Reply Due Reply Received
Welwyn Hatfield Borough Council Councillor Craig Stanbury 13/08/2026
Welwyn Hatfield Borough Council Councillor Craig Stanbury 13/08/2026
Welwyn Hatfield Borough Council Councillor Fiona Thomson 13/08/2026
Welwyn Hatfield Borough Council Councillor Fiona Thomson 13/08/2026
Welwyn Hatfield Borough Council Councillor Mark Short 13/08/2026
Welwyn Hatfield Borough Council Councillor Mark Short 13/08/2026
North Mymms Parish Council Linsey Steell 13/08/2026
North Mymms Parish Council Linsey Steell 13/08/2026
Address Date Sent Expiry Date Date Reconsulted Reconsult Expiry Date
14 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
16 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
18 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
20 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
22 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
Brook House 24 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
26 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
28 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
30 Great North Road Hatfield AL9 6NF 13/08/2026 04/09/2026
Skyborne 21 Kentish Lane Hatfield AL9 6NG 13/08/2026 04/09/2026
27 Kentish Lane Hatfield AL9 6NG 13/08/2026 04/09/2026
29 Kentish Lane Hatfield AL9 6NG 13/08/2026 04/09/2026
33 Kentish Lane Hatfield AL9 6NG 13/08/2026 04/09/2026
35 Kentish Lane Hatfield AL9 6NG 13/08/2026 04/09/2026
39 Kentish Lane Hatfield AL9 6NG 13/08/2026 04/09/2026
The Cherries 43 Kentish Lane Hatfield AL9 6NG 13/08/2026 04/09/2026
Brookmans Park Transmitting Station Brookmans Park Hatfield AL9 6NE 13/08/2026 04/09/2026
Application Number Proposal Decision Distance
6/2023/0208/PN8 Prior approval for the erection a single storey rear extension measuring 8 metres in depth, 3.34 metres in height and 3.34 to the eaves Prior Approval Not Required 0
6/2021/3369/COND Submission of details pursuant of Condition 4 (details of Crown Roof) and Condition 5 (details of hard surfacing) from description of proposal 6/2020/2155/FULL Granted 0
6/2021/2448/LAWP Certificate of lawfulness for the demolition of incidental building and erection of a replacement incidental building to incorporate gym, changing room, sauna and store room Granted 0
6/2020/1487/LAWP Certificate of lawfulness for the replacement of outbuilding Appeal Dismissed 0
6/2020/2155/FULL Erection of dwelling Granted 0
6/2020/1487/LAWP Certificate of lawfulness for the replacement of outbuilding Refused 1
6/2020/0506/LAWP Certificate of lawfulness for the replacement of outbuilding Withdrawn 0
6/2019/2536/HOUSE Erection of car port Refused 0
6/2019/0222/LAWP Certificate of lawfulness for the erection of two storey rear extension to the original building with the associated roof Granted 0
6/2017/2463/COND Submission of details pursuant to conditions 1 (Materials) 2 (Tree Protection Statement) 3 (Agreed Landscaping) on planning permission 6/2016/2654/HOUSE Part Approved / Part Refused 0
6/2017/1051/HOUSE Erection of rear conservatory following the demolition of existing conservatory Granted 0
6/2017/0790/PN8 Prior approval for the erection of a single storey rear extension measuring 3.7m in depth, 3.4m in height and 3.4m to the eaves, following the demolition of existing conservatory. Withdrawn 0
6/2016/2718/LAWP Certificate of lawfulness for a 3 metre rear extension, single storey side extension and loft extension. Granted 0
6/2016/2654/HOUSE Erection of new boundary wall & railings to match existing gates after removal of Leylandii hedge Granted 0
6/2016/1411/LAWP Certificate of lawfulness for the erection of proposed detached single storey outbuilding for ancilliary use to the existing dwelling Granted 0
6/2016/0761/HOUSE Erection of porch with new front door access, two storey side extension, single storey rear/side extensions with roof lights and detached garage following demolition of existing lean-to and attached double garage Granted 0
6/2016/0398/HOUSE Conversion of existing loft space including addition of new dormer windows & roof light, external alterations to include reduction of portico, change to fenestration, change of roof finish from plain clay tiles to slate and addition of stone sills and quoins. Granted 0
6/2016/0444/PN8 Prior approval for the proposed development of a single storey dual pitched roof building, measuring 2.5m to the eaves, ridge 4m and extending 8m from the rear of the existing building Prior Approval Not Required 0
6/2015/2099/PN8 Prior approval for erection of single storey rear extension measuring 8m deep by 4m high, with eaves of 2.5m in height Prior Approval Refused 0
6/2015/1971/HOUSE Erection of a single and two storey rear and side extensions Granted 0
6/2015/1930/COND Approval of details reserved by condition 3 (landscaping) on planning permission S6/2012/1927/FP Granted 0
S6/2014/0806/FP Erection of single storey rear extension Granted 0
S6/2013/0641/LUP Certificate of lawfulness for the proposed installation of swimming pool and enclosure Granted 0
S6/2013/0233/FP Erection of two storey side and rear extension, single storey rear extension and loft conversion Refused 0
S6/2012/2360/LUP Certificate of lawfulness for a proposed two storey rear extension, extension of existing garage and conversion to habitable accommodation, loft conversion to include x 1no rear dormer window, replacement canopy porch, enlargement to existing chimneys and new bin store Granted 0
S6/2012/1927/FP Erection of part two storey, part single storey side extension Granted 0
S6/2012/2153/FP Demolition of existing dwelling and erection of new detached dwelling Granted 0
S6/2012/1823/LUP Certificate of lawfulness for a proposed two storey rear extension, single storey side extension, alterations to roof pitch and eaves, enlargement of two chimneys, loft conversion incorporating two rear dormer windows, garage conversion into habitable accommodation, replacement canopy porch, front alteration to facing brick, cill, plinth, soldier course, steps and new bin store Refused 0
S6/2012/0479/FP Erection of new dwelling following demolition of existing Refused 0
S6/2011/2147/FP Demolition of existing dwelling and erection of new detached dwelling Refused 0
S6/2011/1567/LUP Certificate of lawfulness for the erection of two storey rear extension, single storey side and rear extension, loft conversion, garage conversion, swimming pool and garage Refused 0
S6/2011/1999/LUP Certificate of lawfulness for the erection of the erection of two storey rear extension, single storey side and rear extension, loft conversion, garage conversion, basement, swimming pool and new garage Refused 0
S6/2011/0863/FP Demolition of existing dwelling and garage and erection of new dwelling Refused 0
S6/2010/2604/FP Erection of single storey rear extension to form a conservatory Refused 0
S6/2010/1697/FP Erection of two storey side extension and new porch Refused 0
S6/2010/1087/FP Erection of Proposed Conservatory Withdrawn 0
S6/2010/0479/FP FORMATION OF HARDSTANDING Refused 0
S6/2009/2032/FP RETENTION OF TWO STOREY REAR EXTENSION Refused 0
S6/2009/2456/FP ERECTION OF CONSERVATORY Withdrawn 0
S6/2009/0882/DS DISCHARGE OF CONDITIONS 2 (MATERIALS) AND 5 (SECTIONS & LEVELS) OF PLANNING PERMISSION S6/2007/1766/FP Granted 0
S6/2009/0407/FP ERECTION OF TWO STOREY FRONT AND SIDE EXTENSION WITH CHIMNEY, SINGLE STOREY SIDE AND REAR EXTENSION AND FRONT PORCH. FORMATION OF A BASEMENT WITH LOWER TERRACE AND BRIDGE OVER TERRACE AT GROUND FLOOR LEVEL Refused 0
S6/2008/2392/LU CERTIFICATE OF LAWFULNESS FOR PROPOSED TWO STOREY AND SINGLE STOREY REAR EXTENSIONS Granted 0
S6/2008/1754/FP ERECTION OF TWO STOREY REAR EXTENSION Refused 0
S6/2008/0621/FP ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION Refused 0
S6/2007/1766/FP ERECTION OF DWELLING WITH INTEGRAL GARAGE, FOLLOWING DEMOLITION OF EXISTING DWELLING Granted 0
S6/2007/1045/FP ERECTION OF SINGLE DWELLING WITH INTEGRAL GARAGE FOLLOWING THE DEMOLITION OF THE EXISTING DWELLING AND DETATCHED GARAGE. Withdrawn 0
S6/2007/0537/FP ERECTION OF SINGLE DWELLING WITH INTEGRAL GARAGE FOLLOWING THE DEMOLITION OF THE EXISTING DWELLING AND DETATCHED GARAGE. Withdrawn 0
S6/2004/1104/FP ERECTION OF ONE NEW DWELLING Refused 0
S6/2003/0526/FP ERECTION OF A TWO STOREY SIDE EXTENSION Granted 0
S6/2002/0546/FP ERECTION OF REAR CONSERVATORY Granted 0
S6/2002/0587/FP ERECTION OF TWO STOREY FRONT AND REAR EXTENSION AND SINGLE STOREY REAR EXTENSION Granted 0
S6/1999/0647/FP Erection of single storey rear extension Granted 0
S6/1999/0214/FP Erection of first floor side and two storey front extension, and rear conservatory Granted 0
S6/1997/0559/FP Single storey extension to form gym Granted 0
S6/1996/0676/FP Erection of a single storey extension to existing gym to include basement wine cellar Granted 0
S6/1996/0071/FP Erection of two storey rear extension Granted 0
S6/1995/0461/FP First floor side extension Refused 0
S6/1995/0389/FP Erection of single storey front extension Granted 0
S6/1991/0848/FP Removal of existing access, provision of new vehicle access and replacement sections of front boundary wall Granted 0
S6/1990/0984/FP Erection of three detached four bedroomed houses and new vehicular access to Great North Road Refused 0
S6/1990/0309/FP Single storey side extension; two storey rear extension and extension to front porch Granted 0
S6/1987/0849/FP Front extension to form new bay window Granted 0
S6/1987/0992/FP Re-siting of vehicular access and new entrance gates Granted 0
S6/1986/0709/FP Playroom and store extension over garage Refused 0
S6/1985/0407/FP Dormer windows Granted 0
S6/1985/0781/FP Single storey extensions and porch Granted 0
S6/1984/0116/ Garage and rear porch Granted 0
S6/1984/0300/ First floor side extension Granted 0
S6/1983/0150/ Front entrance porch Granted 0
S6/1983/0554/ Replacement garage Granted 0
S6/1983/0650/ Front porch Granted 0
S6/1982/0447/ Front porch Granted 0
S6/1981/0296/ Site for one dwelling house and double garage Refused 0
S6/1980/0131/ First floor side extension Granted 0
S6/1979/0170/ Garage and car port Granted 0
S6/1979/0699/ Two storey side extension and new bay window Granted 0
S6/1979/0816/ New storage building, alterations to aerial layout including new masts, elevational alterations and conversion of garage to office Granted 0
S6/1976/0020/ Site for dwelling house with garage Refused 0
S6/1975/0035/ Two storey rear extension and ground floor side extension including new garage Granted 0
S6/1975/0424/ Detached garage with room over Granted 0
S6/1974/0090/ Two storey rear extension, single story side extension with double garage Granted 0
S6/1974/0488/ Alterations to access Granted 0

There are no NMAs associated with this application