77 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PP

1. 3 Sep 2026

   Received by North Hertfordshire

2. 4 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 29 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   North Hertfordshire took a median of 48 days over the applications it decided in the last year.

This application is with North Hertfordshire for determination, against a statutory target of eight weeks. Over the last year North Hertfordshire decided full applications in a median of 67 days. More in our guide to how long planning decisions take.

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.

• 148 And 150 Park Lane Knebworth SG3

  02/00932/1HH Submitted 12 Jun 2002 250 yards away

  Single storey front extensions to provide separate porches

  Granted Householder Extension
  Small domestic

• Annexe At Cuckoo Hall 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

  24/01662/LDCE Submitted 26 Jul 2024 300 yards away

  Certificate of Lawfulness for the existing use of the outbuilding as a self-contained residential unit

  Granted Lawful development 29 docs

• Annexe At Cuckoo Hall 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

  26/00392/FP Submitted 27 Feb 2026 300 yards away

  Erection of one self-build dwelling including ancillary annexe following demolition of existing dwelling to including parking, hard and soft landscaping and installation of rear swimming pool.

  Granted Full applications New dwelling Demolition 22 docs
  Domestic

• The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

  24/02400/LDCP Submitted 24 Oct 2024 300 yards away

  Erection of single storey side and rear extension

  Granted Lawful development Extension 10 docs
  Small domestic

• The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

  24/02401/LDCP Submitted 24 Oct 2024 300 yards away

  Replace 3no garage doors with windows to facilitate conversion of existing detached garage into habitable accommodation

  Granted Lawful development Windows or glazing 10 docs

• The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

  24/02399/PNAA Submitted 24 Oct 2024 300 yards away

  Enlargement of detached bungalow by the construction of an additional storey to result in an overall height of 6.45 metres.

  Granted Prior approval 11 docs

• 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