190 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS

This site has had 2 applications since 2022: 0 approved, 2 refused.

• 22/01738/FPH Refused

  190 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS

  Single storey rear extension to facilitate 1-bed annexe accommodation following demolition of existing outbuilding

  Decided 24 Jan 2023 Householder

1. 17 Aug 2022

   Received by North Hertfordshire

2. 24 Jan 2023

   Decision issued: Refused

3. 9 Aug 2026

   Added to PlanIndex

North 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 190 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS

  22/01738/FPH Submitted 17 Aug 2022 50 yards away

  Single storey rear extension to facilitate 1-bed annexe accommodation following demolition of existing outbuilding

  Refused Householder Extension Demolition 10 docs
  Small domestic

• 207 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  21/01307/LDCP Submitted 22 Apr 2021 100 yards away

  Hipped roof to a gabled roof and insertion of dormer to existing rear elevation roofslope

  Granted Lawful development Loft or dormer 5 docs

• 195 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  22/03197/FPH Submitted 12 Dec 2022 100 yards away

  Part single storey part two storey rear extension. Ground floor side door.

  Granted Householder Extension
  Small domestic

• 159 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

  26/02149/FPH Submitted 10 Sep 2026 150 yards away

  Single storey rear and front extensions following demolition of existing rear element.

  Decided Extension Demolition
  Small domestic

• Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS

  26/02332/TCA Submitted 16 Sep 2026 150 yards away

  R1: Robinia - Remove.

  Granted Trees

• Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS

  26/02210/NMA Submitted 2 Sep 2026 150 yards away

  External wall insulation and timber boarding added to east wall. Front door design updated, bi-fold doors changed to 6 doors and addiotnal rooflight added to landing outside bedroom 6 (as Non-Material Amendment to Planning Permission 26/00817/FPH granted 03.06.2026)

  Decided Amendments Loft or dormer Windows or glazing

• 26/02065/LBC Decided

  The Elms The Causeway Therfield Royston Hertfordshire SG8 9PP

  Single storey side extension following partial demolition of existing rear west wall and interior alterations (variation to listed building consent ref: 24/00803/LBC granted 17.09.2024)

  Received 7 Sep, published by the council 9 Sep 2026 Heritage and listed buildings
• 26/01309/LBC Decided

  The Bull High Street Gosmore Hertfordshire SG4 7QG

  Single storey rear extension and first floor rear extension following demolition of existing rear elements. Alterations to fenestration and internal and external alterations (development already commenced).

  Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
• 26/01796/LBC Decided

  46 Ridge Road Letchworth Garden City Hertfordshire SG6 1PN

  Single storey rear extension following demolition of existing lean-to

  Received 11 Aug, published by the council 12 Aug 2026 Heritage and listed buildings
• 26/01938/LBC Decided

  Hitchin Town Hall Brand Street Hitchin Hertfordshire SG5 1HX

  Decarbonisation works including provision of secondary glazing to existing windows, the provision of insulation to the roof void above the main hall, replacement of mechanical plant including the removal of gas boilers and the installation of Photovoltaic (PV) panels and Air Source Heat Pump (ASHP)

  Received 18 Aug, published by the council 28 Aug 2026 Heritage and listed buildings
• 26/01948/LBC Decided

  28 Rushby Mead Letchworth Garden City Hertfordshire SG6 1RU

  Install internal insulation to external walls, between suspended timber floor joists and between and over ceiling joists together with other internal alterations.

  Received 17 Aug, published by the council 18 Aug 2026 Heritage and listed buildings