20 Station Road Knebworth Hertfordshire SG3 6AP

1. 8 Nov 2019

   Received by North Hertfordshire

2. 20 Dec 2019

   Decision issued: Conditional Permission

3. 28 Aug 2026

   Added to PlanIndex

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

• The Surgery Station Road Knebworth Hertfordshire SG3 6AP

  19/02489/FP Submitted 23 Oct 2019 15m away

  First floor rear extension and conversion of existing doctors surgery into 6 x 1-bed flats including parking and amenity space

  Decided Full applications New dwelling Extension 13 docs

• 17 Station Road Knebworth Hertfordshire SG3 6AP

  22/03156/FP Submitted 6 Jan 2023 49m away

  Change of use of a single room on first floor from office/store to tattoo parlour (Sui Generis)

  Decided Full applications 6 docs

• Land At 137 London Road Knebworth Hertfordshire

  21/01756/DOC Submitted 25 May 2021 78m away

  Discharge of Condition 13 (Construction Management Plan) as attached to Planning Application 20/01526/FP granted on 25.09.2020

  Granted Conditions 2 docs

• Land At 137 London Road Knebworth Hertfordshire

  21/01757/DOC Submitted 25 May 2021 78m away

  Discharge of Condition 14 (Cycle Parking) as attached to Planning Application 20/01526/FP granted on 25.09.2020

  Granted Conditions 3 docs

• Land At 137 London Road Knebworth Hertfordshire

  21/01668/DOC Submitted 25 May 2021 78m away

  Discharge of Condition 3 (Noise Assessment) as attached to Planning Application 20/01526/FP granted on 25.09.2020

  Granted Conditions 4 docs

• Land At 137 London Road Knebworth Hertfordshire

  21/01754/DOC Submitted 25 May 2021 78m away

  Discharge of Condition 4 (Noise Survey) as attached to Planning Application 20/01526/FP granted on 25.09.2020

  Granted Conditions 3 docs

• 26/00371/FPH Decided

  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.

  10 Feb 2026 Householder
• 26/00904/FPH Decided

  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.

  22 Apr 2026 Householder
• 26/01380/FPH Decided

  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.

  5 Jun 2026 Householder
• 26/01414/FPH Decided

  80 Willian Road Hitchin Hertfordshire SG4 0LT

  Replacement raised roof to facilitate additional accommodation at first floor level. Two storey rear extension following removal of existing shed. Alterations to fenestration and external render. Installation of front hardstanding and provision of two parking spaces.

  1 Jun 2026 Householder
• 26/01062/FPH Decided

  47 Common Rise Hitchin Hertfordshire SG4 0HN

  Two storey and part single storey rear extension following demolition of existing rear element.

  22 May 2026 Householder