The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

This site has had 3 applications since 2024: 3 approved, 0 refused.

• 24/02400/LDCP Granted

  The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

  Erection of single storey side and rear extension

  Decided 26 Nov 2024 Lawful development
• 24/02401/LDCP Granted

  The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

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

  Decided 26 Nov 2024 Lawful development

1. 24 Oct 2024

   Received by North Hertfordshire

2. 3 Dec 2024

   Decision issued: Prior Approval Given

3. 18 Aug 2026

   Added to PlanIndex

North Hertfordshire granted permission on 3 December 2024, 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

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

  24/02400/LDCP Submitted 24 Oct 2024 50 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 50 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

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

  26/00392/FP Submitted 27 Feb 2026 50 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

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

  24/01662/LDCE Submitted 26 Jul 2024 100 yards away

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

  Granted Lawful development 29 docs

• Land Adjacent To 67 Park Lane Knebworth Hertfordshire SG3 6PW

  26/02035/FP Submitted 13 Aug 2026 150 yards away

  81% historically approved · decision due ~8 Oct

  Erection of building for church hall use including car parking, hard and soft landscaping, bin store and air source heat pump enclosure on south-west elevation. Alterations to existing vehicular access.

  Awaiting decision Full applications 12 docs

• 66 Park Lane Knebworth Hertfordshire SG3 6PW

  26/01985/S73 Submitted 27 Aug 2026 200 yards away

  91% historically approved · decision due ~22 Oct

  Variation of conditions 1 and 14 (Revised Plans-Ecological Enhancements) of Reserved Matters application reference 25/01658/RM granted 28.11.2025 for reserved matters (appearance, landscaping, layout, scale and internal access) for the erection of 9 dwellings with associated landscaping, parking and amenity space pursuant of outline permission 23/02946/OP granted 19.06.2025.

  Awaiting decision Amendments 10 docs
  Several homes

• 26/01462/PNR Granted

  Agricultural Barn Hall Barn Ashwell Road Newnham Hertfordshire SG7 5JX

  Change of use and conversion of two bays of existing agricultural barn to form two light industrial units (Class E (g) (iii)).

  Received 5 Jun, published by the council 24 Jul 2026 Prior approval
• 26/01115/PNQ Granted

  Land Located To The Southwest Of Deadman's Hill Gannock Road Sandon Hertfordshire

  Change of use of an agricultural barn to one dwelling to include alterations to fenestration and provision of two parking spaces.

  Received 18 May, published by the council 24 Jul 2026 Prior approval
• 26/01053/PNSL Granted

  18 Deards End Lane Knebworth Hertfordshire SG3 6NL

  Installation of 9 solar panels on flat roof below higher pitched roof

  Received 1 Apr, published by the council 9 Aug 2026 Prior approval
• 26/00667/PNAA Granted

  33 Kite Way Letchworth Garden City Hertfordshire SG6 4YQ

  Enlargement of detached bungalow by the construction of an additional storey to result in an overall height of 8.55 metres.

  Received 20 Mar, published by the council 9 Aug 2026 Prior approval
• 24/02712/PNQ Granted

  Kirby Manor Farm Northfield Road Ashwell Baldock Hertfordshire SG7 5JQ

  Conversion of existing agricultural buildings to provide 8 residential units.

  Received 27 Nov, published by the council 3 Oct 2026 Prior approval