18 Deards End Lane Knebworth Hertfordshire SG3 6NL

This site has had 2 applications since 2023: 2 approved, 0 refused.

• 26/01053/PNSL Granted

  18 Deards End Lane Knebworth Hertfordshire SG3 6NL

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

  Decided 26 May 2026 Prior approval

1. 20 Jan 2023

   Received by North Hertfordshire

2. 7 Mar 2023

   Decision issued: Granted

3. 24 Jul 2026

   Added to PlanIndex

North Hertfordshire granted permission on 7 March 2023, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 18 Deards End Lane Knebworth Hertfordshire SG3 6NL

  26/01053/PNSL Submitted 1 Apr 2026 50 yards away

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

  Granted Prior approval 8 docs

• 18a Deards End Lane Knebworth Hertfordshire SG3 6NL

  19/02562/TCA Submitted 23 Oct 2019 50 yards away

  T1 Ash - Crown reduce by up to 4m back to good viable growth points.

  Granted Trees 4 docs

• 16 Deards End Lane Knebworth Hertfordshire SG3 6NL

  26/00995/TCA Submitted 15 Apr 2026 50 yards away

  T1: Cedar - Crown reduction by approx 7m, crown lift / raise canopy by approx 2m. Reduce lateral spread by approx 2m. Prune back to provide approx 0.5m clearance from the BT telephone line where branches are currently encroaching. T2: Thuja - Crown reduction by approx 5m. Crown lift / raise canopy by approx 2m. Reduce lateral spread by approx 2m.

  Granted Trees 4 docs

• 14 Deards End Lane Knebworth Hertfordshire SG3 6NL

  26/00868/FPH Submitted 2 Apr 2026 100 yards away

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

  Refused Householder Extension Demolition 10 docs
  Domestic

• 21a Deards End Lane Knebworth Hertfordshire SG3 6NL

  24/01664/FPH Submitted 29 Jul 2024 150 yards away

  Replace existing timber windows with triple glazed dark grey aluminium windows

  Granted Householder Windows or glazing
  Domestic

• 12 Deards End Lane Knebworth Hertfordshire SG3 6NL

  20/02668/FPH Submitted 17 Nov 2020 150 yards away

  Part single storey part two storey side extensions, insertion of gable window to existing side gable end, erection of single storey attached front garage and ground and first floor rear extensions following demolition of existing front attached garage and rear conservatory

  Withdrawn Householder Extension Demolition +1 24 docs
  Small domestic

• 26/02157/LDCE Awaiting decision

  Land On The South West Side Of Barkway Road Royston Hertfordshire SG8 9DF

  Removal of an existing workshop building on the site as implementation of planning permission 21/02957/FP in accordance with application number 26/01784/NMA which confirms that removal of the workshop will implement the planning permission The works were carried out prior to the expiry date of the 21/02957/FP planning permission with evidence sent to NHDC before the expiry date.

  Received 27 Aug, published by the council 18 Sep 2026 Lawful development
• 26/02123/LDCP Awaiting decision

  35 Dacre Road Hitchin Hertfordshire SG5 1QJ

  Insertion of rear dormer window with Juliet barrier and two front rooflights

  Received 25 Aug, published by the council 18 Sep 2026 Lawful development
• 26/01469/LDCP Granted

  30 Pirton Road Hitchin Hertfordshire SG5 2BD

  Single storey rear extension. Extension to rear patio.

  Received 5 Jun, published by the council 24 Jul 2026 Lawful development
• 26/01459/LDCP Granted

  80 Balmoral Road Hitchin Hertfordshire SG5 1XQ

  Single storey rear extension and insertion of three rooflights to existing rear element. Front porch extension.

  Received 4 Jun, published by the council 24 Jul 2026 Lawful development
• 26/01426/LDCP Granted

  25 Balmoral Road Hitchin Hertfordshire SG5 1XG

  Insertion of rear box dormer and installation of 3 rooflights to front roof slope to facilitate conversion of loft space to habitable accommodation.

  Received 2 Jun, published by the council 24 Jul 2026 Lawful development