17 Gun Lane Knebworth Hertfordshire SG3 6BJ

1. 19 Apr 2021

   Received by North Hertfordshire

2. 6 Jul 2021

   Decision issued: Conditional Permission

3. 9 Aug 2026

   Added to PlanIndex

North Hertfordshire granted permission on 6 July 2021, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 21 Gun Lane Knebworth Hertfordshire SG3 6BJ

  21/01847/FPH Submitted 14 Jun 2021 50 yards away

  Two storey side extension

  Granted Householder Extension 7 docs
  Domestic

• 7 Gun Lane Knebworth Hertfordshire SG3 6BH

  23/00329/FPH Submitted 10 Feb 2023 100 yards away

  Raise roof height, creation of gable ends and insertion of front and rear dormer windows to facilitate additional habitable accommodation at first floor level. Two storey front extension following demolition of existing porch. Alterations to fenestration

  Granted Householder Extension Loft or dormer +2 8 docs
  Small domestic

• 6 Sayer Way Knebworth Hertfordshire SG3 6BN

  23/00693/FPH Submitted 22 Mar 2023 100 yards away

  Insertion of dormer window and enlargement of existing dormer window to front elevation roofslope

  Granted Householder Loft or dormer Windows or glazing 7 docs
  Domestic

• 1 Deeping Close Knebworth Hertfordshire SG3 6BW

  21/01795/FPH Submitted 15 Jun 2021 100 yards away

  Single storey front porch extension, single storey side extension, raise eaves height, conversion and extension of existing detached side elevation garage/store to link to main dwellinghouse

  Granted Householder Extension 11 docs
  Small domestic

• 76 Pondcroft Road Knebworth Hertfordshire SG3 6DE

  26/01555/FPH Submitted 6 Jul 2026 100 yards away

  Single storey side and rear extensions with car port following removal of existing detached rear garage and shed.

  Decided Extension
  Small domestic

• 57 Pondcroft Road Knebworth Hertfordshire SG3 6DE

  26/01964/FPH Submitted 5 Aug 2026 100 yards away

  Single storey rear extension following demolition of existing side/rear element.

  Decided Extension Demolition
  Small domestic

• 26/00298/FP Decided

  Hobbs Close Garage London Road St Ippolyts Hitchin Hertfordshire SG4 7NJ

  Erection of one detached 4-bed dwelling following demolition of existing garage building as revision of previously approved planning permission 21/00298/FP granted 26.03.2021.

  Received 19 Mar, published by the council 20 Oct 2026 Full applications
• 26/01022/FP Awaiting decision

  Service Station Bedford Road Hitchin Hertfordshire SG5 2UG

  Installation of parcel lockers following removal of existing locker and installation of paved pathway.

  Received 19 Oct, published by the council 24 Jul 2026 Full applications
• 26/02400/FP Awaiting decision

  Greenbanks London Road St Ippolyts Hitchin Hertfordshire SG4 7NJ

  Erection of four dwellings including cycle storage, parking, hard and soft landscaping, and alterations to access layout following demolition of existing dwelling and other buildings.

  Received 16 Oct, published by the council 20 Oct 2026 Full applications
• 26/02392/FP Awaiting decision

  Land South Of 14 High Street Graveley Hertfordshire SG4 7LB

  Erection of one detached self-build dwelling including parking, cycle store, bin store, Air Source Heat Pump, alterations to ground levels and soft and hard landscaping.

  Received 16 Oct, published by the council 19 Oct 2026 Full applications
• 26/01937/FP Decided

  Hitchin Town Hall Brand Street Hitchin Hertfordshire SG5 1HX

  Decarbonisation works including provision of secondary glazing to existing windows, the provision of insulation to the roof void above the main hall, replacement of mechanical plant including the removal of gas boilers and the installation of Photovoltaic (PV) panels and Air Source Heat Pump (ASHP)

  Received 18 Aug, published by the council 28 Aug 2026 Full applications