17 Brookbridge Lane Datchworth Knebworth Hertfordshire SG3 6SU

1. 8 Jun 2021

   Received by East Hertfordshire

2. 17 Jun 2021

   Validated

   Checked as complete and ready for consideration.

3. 12 Aug 2021

   Decision issued: Refuse

4. 19 Aug 2026

   Added to PlanIndex

East Hertfordshire refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 23, Brookbridge Lane, Datchworth, Knebworth, SG3 6SU

  3/06/2130/FP Submitted 27 Oct 2006 50 yards away

  Two storey rear and single storey side extension

  Granted Full applications Extension 3 docs
  Small domestic

• 11, Brookbridge Lane, Datchworth, Knebworth, SG3 6SU

  3/07/0631/FP Submitted 23 Mar 2007 50 yards away

  Single storey side and rear extensions and front bay window.

  Granted Full applications Extension Windows or glazing 2 docs
  Small domestic

• 1 Brookbridge Lane Datchworth Knebworth Hertfordshire SG3 6SU

  X/22/0347/CND Submitted 16 Aug 2022 150 yards away

  Discharge of condition 4 (archaeology) for planning approval 3/20/0225/HH

  Granted Conditions 4 docs

• 59 Nutcroft Datchworth Hertfordshire SG3 6TQ

  3/26/1072/HH Submitted 30 Jul 2026 200 yards away

  Construction of two storey side and rear extension

  Refused Householder Extension 16 docs
  Domestic

• 1, Hawkins Hall Lane, Datchworth, Knebworth, SG3 6TF

  3/06/2449/FP Submitted 13 Dec 2006 200 yards away

  Alteration & side/rear extensions to existing property.

  Refused Full applications Extension

• 1, Hawkins Hall Lane, Datchworth, Knebworth, SG3 6TF

  3/07/0776/FP Submitted 17 Apr 2007 200 yards away

  Replacement dwelling

  Refused Full applications 2 docs
  Domestic

• 3/26/1481/HH Awaiting decision

  7 Town Lane Benington Hertfordshire SG2 7LA

  Erection of detached outbuilding to the rear of the property (part-retrospective)

  Received 19 Oct, published by the council 23 Oct 2026 Householder
• 3/26/1480/HH Awaiting decision

  82 Mangrove Road Hertford Hertfordshire SG13 8AN

  Two-storey rear extension at first and second floor level; demolition of existing rear dormer, installation of roof light and window to side, and extension to rear patio

  Received 19 Oct, published by the council 22 Oct 2026 Householder
• 3/26/1477/HH Awaiting decision

  22 Hare Street Road Buntingford Hertfordshire SG9 9HW

  Erection of single storey front porch and side extensions

  Received 19 Oct, published by the council 22 Oct 2026 Householder
• 3/26/1472/HH Awaiting decision

  58 West Street Hertford Hertfordshire SG13 8EZ

  Insertion of rooflight into eastern side elevation of dwelling

  Received 14 Oct, published by the council 23 Oct 2026 Householder
• 3/26/1466/HH Awaiting decision

  8 The Stewarts Bishops Stortford Hertfordshire CM23 2NT

  Demolition of existing rear conservatory. Erection of two storey front and rear extensions. Raising roof ridge. Removal of existing chimney and insertion of two chimneys. Insertion of three rooflights on front roof slope and three rooflights and dormer to rear roof slope. Alterations to fenestrations

  Received 14 Oct, published by the council 20 Oct 2026 Householder