190 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS

This site has had 2 applications since 2022: 0 approved, 2 refused.

• 22/02172/LBC Refused

  190 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS

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

  Decided 24 Jan 2023 Heritage and listed buildings

1. 17 Aug 2022

   Received by North Hertfordshire

2. 24 Jan 2023

   Decision issued: Refused

3. 9 Aug 2026

   Added to PlanIndex

North Hertfordshire refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 190 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS

  22/02172/LBC Submitted 17 Aug 2022 50 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

• 207 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  21/01307/LDCP Submitted 22 Apr 2021 100 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

• 195 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  22/03197/FPH Submitted 12 Dec 2022 100 yards away

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

  Granted Householder Extension
  Small domestic

• 159 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  26/02149/FPH Submitted 10 Sep 2026 150 yards away

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

  Decided Extension Demolition
  Small domestic

• Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS

  26/02332/TCA Submitted 16 Sep 2026 150 yards away

  R1: Robinia - Remove.

  Granted Trees

• Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS

  26/02210/NMA Submitted 2 Sep 2026 150 yards away

  External wall insulation and timber boarding added to east wall. Front door design updated, bi-fold doors changed to 6 doors and addiotnal rooflight added to landing outside bedroom 6 (as Non-Material Amendment to Planning Permission 26/00817/FPH granted 03.06.2026)

  Decided Amendments Loft or dormer Windows or glazing

• 26/01998/FPH Awaiting decision

  69 Bearton Green Hitchin Hertfordshire SG5 1UG

  Single storey side and rear extension. Alterations to existing roof to include hip to gable roof extension and insertion of rear dormer window and front rooflights to facilitate loft conversion into habitable accommodation. Alterations to fenestration

  Received 25 Aug, published by the council 26 Aug 2026 Householder
• 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
• 26/01940/FPH Awaiting decision

  Old Hammers Mill End Rushden Buntingford Hertfordshire SG9 0TA

  Two storey rear extension

  Received 20 Aug, published by the council 25 Aug 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