148 And 150 Park Lane Knebworth SG3

1. 12 Jun 2002

   Received by North Hertfordshire

2. 30 Jul 2002

   Validated

   Checked as complete and ready for consideration.

3. 1 Oct 2002

   Decision issued: Conditional Permission

4. 18 Sep 2026

   Added to PlanIndex

North Hertfordshire granted permission on 1 October 2002, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 159 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  26/02149/FPH Submitted 10 Sep 2026 200 yards away

  92% historically approved · decision due ~5 Nov

  Single storey rear and front extensions following demolition of existing rear element.

  Awaiting decision Extension Demolition
  Small domestic

• 77 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PP

  26/02039/FP Submitted 3 Sep 2026 250 yards away

  84% historically approved · decision due ~29 Oct

  Erection of one detached three-bedroom dwelling including detached double garage with Air Source Heat Pump and soft and hard landscaping works following demolition of existing detached structures.

  Awaiting decision Full applications Demolition
  Domestic

• 195 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  22/03197/FPH Submitted 12 Dec 2022 250 yards away

  Part single storey part two storey rear extension. Ground floor side door.

  Granted Householder Extension
  Small domestic

• 207 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  21/01307/LDCP Submitted 22 Apr 2021 300 yards away

  Hipped roof to a gabled roof and insertion of dormer to existing rear elevation roofslope

  Granted Lawful development Loft or dormer 5 docs

• 190 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS

  22/01738/FPH Submitted 17 Aug 2022 300 yards away

  Single storey rear extension to facilitate 1-bed annexe accommodation following demolition of existing outbuilding

  Refused Householder Extension Demolition 10 docs
  Small domestic

• 190 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS

  22/02172/LBC Submitted 17 Aug 2022 300 yards away

  Single storey rear extension to facilitate 1-bed annexe accommodation following demolition of existing outbuilding

  Refused Heritage and listed buildings Extension Demolition 11 docs
  Small domestic

• 26/00371/FPH Granted

  12 Dale Close Hitchin Hertfordshire SG4 9AS

  Replacement raised hipped roof and insertion of front rooflight and two rear dormers to facilitate loft conversion into habitable accommodation. Two storey and part single storey side and rear extensions and front porch following demolition of existing side and rear extensions. Alterations to fenestration to include insertion of first floor side window. External cladding and Installation of rear raised patio and steps.

  Received 10 Feb, published by the council 24 Jul 2026 Householder
• 26/02105/FPH Awaiting decision

  53 Norton Crescent Baldock Hertfordshire SG7 5BE

  Two storey rear extension, alterations to fenestration and rear patio area

  Received 21 Aug, published by the council 14 Sep 2026 Householder
• 26/00904/FPH Granted

  4 Leete Place Royston Hertfordshire SG8 5DX

  Single storey side and rear extension, open-sided front porch, replacement roof including installation of rooflights, removal of chimney and alterations to existing fenestration following demolition of existing store. Installation of vehicular access via dropped kerb and vehicle crossover including hardstanding to provide No.2 parking spaces.

  Received 22 Apr, published by the council 24 Jul 2026 Householder
• 26/01380/FPH Granted

  15 Ninesprings Way Hitchin Hertfordshire SG4 9NQ

  Part two storey and part single storey side extension and single storey rear extension following demolition of existing side element and rear conservatory. Front porch, alterations to fenestration and hard and soft landscaping works. External cladding and rendering.

  Received 5 Jun, published by the council 24 Jul 2026 Householder
• 26/01414/FPH Granted

  80 Willian Road Hitchin Hertfordshire SG4 0LT

  Replacement raised roof to facilitate additional accommodation at first floor level. Two storey rear extension following removal of existing shed. Alterations to fenestration and external render. Installation of front hardstanding and provision of two parking spaces.

  Received 1 Jun, published by the council 24 Jul 2026 Householder