12 Deards End Lane Knebworth Hertfordshire SG3 6NL

This site has had 2 applications since 2020: 0 approved, 1 refused.

• 21/01475/FPH Refused

  12 Deards End Lane Knebworth Hertfordshire SG3 6NL

  Two storey side extension to one side of the property, and a single storey to the other side, part first floor and single storey rear extension, insertion of no.1 dormers to existing front elevation roofslope and erection of attached front elevation garage following demolition of existing front elevation attached garage and rear elevation conservatory

  Decided 5 Aug 2021 Householder

1. 17 Nov 2020

   Received by North Hertfordshire

2. 20 May 2021

   Decision issued: Withdrawn

3. 9 Aug 2026

   Added to PlanIndex

The applicant withdrew this application before North Hertfordshire decided it, and is free to submit a revised scheme at any time. 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.

• 12 Deards End Lane Knebworth Hertfordshire SG3 6NL

  21/01475/FPH Submitted 17 May 2021 50 yards away

  Two storey side extension to one side of the property, and a single storey to the other side, part first floor and single storey rear extension, insertion of no.1 dormers to existing front elevation roofslope and erection of attached front elevation garage following demolition of existing front elevation attached garage and rear elevation conservatory

  Refused Householder Extension Loft or dormer +1 26 docs
  Small domestic

• 14 Deards End Lane Knebworth Hertfordshire SG3 6NL

  26/00868/FPH Submitted 2 Apr 2026 50 yards away

  Erection of two storey side extension following demolition of existing ground floor side extension

  Refused Householder Extension Demolition 10 docs
  Domestic

• 14 Deards End Lane Knebworth Hertfordshire SG3 6NL

  26/02081/FPH Submitted 19 Aug 2026 50 yards away

  Erection of two storey side extension following demolition of existing ground floor side extension

  Decided Extension Demolition 8 docs

• Land At Old Knebworth Lane Knebworth Herts SG3 6NL

  26/00447/SCR Submitted 10 Jun 2026 50 yards away

  Ref: 18089 We write on behalf of our client Xela Energy Ltd to formally request an Environmental Impact Assessment (EIA) Screening Opinion from Stevenage Borough Council under Regulation 6 of the Town and Country Planning Regulations 2017

  Awaiting decision 5 docs

• 25a Deards End Lane Knebworth Hertfordshire SG3 6NL

  26/02443/TCA Submitted 29 Sep 2026 50 yards away

  98% historically approved · decision due ~24 Nov

  T1: Fir - Remove. T2: Fir - Remove branches overhanging driveway by 3-4m. Branches that face away reduce height by 3m

  Awaiting decision Trees

• 25a Deards End Lane Knebworth Hertfordshire SG3 6NL

  26/02051/TCA Submitted 17 Aug 2026 50 yards away

  2x Fir - Reduce in height by 3m removing the over hanging branches.

  Granted Trees

• 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