37 Haymoor Letchworth Garden City Hertfordshire SG6 4HS

1. 13 Nov 2025

   Received by North Hertfordshire

2. 7 May 2026

   Decision issued: Conditional 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 53m 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

• 23 Longmead Letchworth Garden City Hertfordshire SG6 4HP

  22/03180/FPH Submitted 9 Dec 2022 126m away

  Retention of single storey side and rear extension following demolition of existing side conservatory

  Decided Householder Extension Demolition 9 docs
  Small domestic

• 21 Linnet Close Letchworth Garden City Hertfordshire SG6 4FA

  24/02216/FPH Submitted 3 Oct 2024 161m away

  Part two storey and part single storey rear extension and alterations to existing garage to facilitate garage conversion into habitable accommodation

  Decided Householder Extension 11 docs
  Small domestic

• 22 Linnet Close Letchworth Garden City Hertfordshire SG6 4FA

  26/01223/FPH Submitted 12 May 2026 161m away

  Replacement single storey rear extension following partial demolition of rear conservatory (as amended by plan received on 03/06/2026).

  Decided Householder Extension Demolition 10 docs
  Small domestic

• 5 Hawthorn Hill Letchworth Garden City Hertfordshire SG6 4HE

  23/00140/NMA Submitted 20 Jan 2023 247m 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

• 43 Wilbury Road Letchworth Garden City Hertfordshire SG6 4JW

  21/01077/NMA Submitted 8 Apr 2021 249m away

  Glazed screen to open end of awning roof and revised three divisions to door (as non material amendment 18/00778/FPH granted on 15.05.2018

  Decided Amendments Windows or glazing 4 docs

• 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