23 Longmead Letchworth Garden City Hertfordshire SG6 4HP

1. 9 Dec 2022

   Received by North Hertfordshire

2. 27 Jan 2023

   Decision issued: Unconditional Permission

3. 9 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

• 20 Longmead Letchworth Garden City Hertfordshire SG6 4HP

  26/01963/FPH Submitted 20 Aug 2026 79m away

  90% historically approved · decision due ~15 Oct

  Alterations to existing garage to include front extension and replacement roof to facilitate conversion into habitable accommodation following demolition of existing rear conservatory. Rear pitch roof including insertion of two side rooflights and alterations to fenestration.

  Awaiting decision Extension Loft or dormer +3

• 37 Haymoor Letchworth Garden City Hertfordshire SG6 4HS

  25/02913/FPH Submitted 13 Nov 2025 126m away

  Single storey rear and side extension following demolition of existing attached garage, side/rear conservatory and rear element (amended plans received 24.02.2026).

  Decided Householder Extension Demolition 5 docs
  Small domestic

• 5 Hawthorn Hill Letchworth Garden City Hertfordshire SG6 4HE

  23/00140/NMA Submitted 20 Jan 2023 199m away

  The extension is to be slightly increased in width up to the existing boundary with No. 7 Hawthorn Hill (as a non-material amendment to planning permission 22/02338/FPH granted on 13.10.2022).

  Decided Amendments Extension 13 docs

• 44 Cowslip Hill Letchworth Garden City Hertfordshire SG6 4EZ

  25/01926/LDCP Submitted 27 Apr 2026 213m away

  Installation of PV solar panels on the front and rear roofslopes

  Granted Lawful development 7 docs

• 46 Cowslip Hill Letchworth Garden City Hertfordshire SG6 4EZ

  21/00364/FPH Submitted 2 Feb 2021 221m away

  Erection of garden room outbuilding in rear garden

  Decided Householder 10 docs
  Small domestic

• 56 Cowslip Hill Letchworth Garden City Hertfordshire SG6 4EZ

  19/02646/NCS Submitted 5 Nov 2019 253m away

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

  Granted Outline Extension 7 docs
  Small domestic

• 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