46 Cowslip Hill Letchworth Garden City Hertfordshire SG6 4EZ

1. 2 Feb 2021

   Received by North Hertfordshire

2. 29 Jun 2021

   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

• 44 Cowslip Hill Letchworth Garden City Hertfordshire SG6 4EZ

  25/01926/LDCP Submitted 27 Apr 2026 11m away

  Installation of PV solar panels on the front and rear roofslopes

  Granted Lawful development 7 docs

• 56 Cowslip Hill Letchworth Garden City Hertfordshire SG6 4EZ

  19/02646/NCS Submitted 5 Nov 2019 59m 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

• 5 Hawthorn Hill Letchworth Garden City Hertfordshire SG6 4HE

  23/00140/NMA Submitted 20 Jan 2023 152m 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

• 2 Rowan Crescent Letchworth Garden City Hertfordshire SG6 4EY

  21/01919/FPH Submitted 22 Jun 2021 164m away

  Modification of window and door openings to rear elevation, partial conversion of existing garage to store/garden room including external rendering and installation of one velux window to existing rear roof slope.

  Decided Householder Loft or dormer Windows or glazing 8 docs
  Small domestic

• 4 Wheat Hill Letchworth Garden City Hertfordshire SG6 4HJ

  24/01690/FPH Submitted 31 Jul 2024 197m away

  Installation of rear elevation air source heat pump.

  Decided Householder 10 docs
  Domestic

• 83 Cowslip Hill Letchworth Garden City Hertfordshire SG6 4EX

  21/01582/FPH Submitted 18 May 2021 210m away

  Single storey rear extension

  Decided Householder Extension 12 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