14 Mount Keen Great Ashby Stevenage Hertfordshire SG1 6BP

1. 8 Apr 2026

   Received by North Hertfordshire

2. 1 May 2026

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

North Hertfordshire granted permission on 1 May 2026, 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.

• 12 Ryders Hill Great Ashby Stevenage Hertfordshire SG1 6BJ

  26/01444/FPH Submitted 23 Jun 2026 56m away

  90% historically approved · decision due ~18 Aug

  Insertion of rear box dormer, raised ridge height and front rooflight to facilitate loft conversion into habitable accommodation.

  Awaiting decision Loft or dormer Roofing

• 44 Ryders Hill Great Ashby Stevenage Hertfordshire SG1 6BJ

  22/02415/FPH Submitted 7 Oct 2022 73m away

  Retention of alterations to ground levels to facilitate rear patio (as indicated by plans received 29 November 2022).

  Decided Householder 15 docs
  Domestic

• 11 Pentland Rise Great Ashby Stevenage Hertfordshire SG1 6BW

  23/00003/FPH Submitted 2 Jan 2023 167m away

  Two storey side extension following demolition of existing side extension (as a variation of planning permission 22/01971/FPH granted 22.09.2022)

  Decided Householder Extension Demolition 10 docs
  Domestic

• 61 Lomond Way Great Ashby Stevenage Hertfordshire SG1 6BT

  21/01826/FPH Submitted 11 Jun 2021 218m away

  Three storey rear extension; raise part of garage roof and insertion of front dormer window to garage to facilitate conversion of garage into two storey habitable accommodation; formation of a basement and insertion of first floor window into existing side (north) elevation following demolition of existing rear conservatory and rear dormer.

  Refused Householder Extension Loft or dormer +2 10 docs
  Small domestic

• 237 Cleveland Way Great Ashby Stevenage Hertfordshire SG1 6BX

  23/00370/NCS Submitted 21 Feb 2023 247m away

  Single storey rear extension with the following dimension: Length as measured from rear wall of original dwelling - 4.0 metres

  Granted Outline Extension
  Small domestic

• 119 Cleveland Way Great Ashby Stevenage Hertfordshire SG1 6BU

  21/02041/LDCP Submitted 5 Jul 2021 259m away

  Single storey front/side extension

  Refused Lawful development Extension 6 docs
  Small domestic

• 26/01469/LDCP Granted

  30 Pirton Road Hitchin Hertfordshire SG5 2BD

  Single storey rear extension. Extension to rear patio.

  5 Jun 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.

  4 Jun 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.

  2 Jun 2026 Lawful development
• 26/01301/LDCP Granted

  47 Bingen Road Hitchin Hertfordshire SG5 2PR

  Single storey rear extension and alterations to existing fenestration.

  2 Jun 2026 Lawful development
• 26/01247/LDCP Granted

  47 Bedford Road Hitchin Hertfordshire SG5 2TP

  Erection of single storey detached outbuilding.

  20 May 2026 Lawful development