20, Cowper Crescent, Hertford, Herts, SG14 3DY

1. 14 Mar 2008

   Received by East Hertfordshire

2. 7 May 2008

   Decision issued: Grant Plan Permission w Conds

3. 19 Aug 2026

   Added to PlanIndex

East Hertfordshire granted permission on 7 May 2008, 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 15, Cowper Crescent, Hertford, SG143DZ

  3/06/2173/FP Submitted 2 Nov 2006 50 yards away

  Two storey side extension & single storey front extension

  Refused Full applications Extension
  Small domestic

• 21 Cowper Crescent Hertford Hertfordshire SG14 3DZ

  3/22/2407/CLPO Submitted 16 Nov 2022 50 yards away

  Loft conversion. Rear loft extension. Installation of 3 front Velux windows.

  Granted Outline Extension Loft or dormer +1 9 docs

• 38 Cowper Crescent Hertford Hertfordshire SG14 3DZ

  3/21/0799/HH Submitted 25 Mar 2021 100 yards away

  Replace existing tiles with Weatherboard cladding and replace existing flat roof with front pitch and porch

  Granted Householder Extension 9 docs
  Small domestic

• 40 Cowper Crescent Hertford Hertfordshire SG14 3DZ

  3/26/1202/HH Submitted 28 Aug 2026 100 yards away

  Single storey rear extension and garage conversion into habitable space

  Granted Householder Extension 10 docs
  Small domestic

• 37 Cowper Crescent Hertford Hertfordshire SG14 3DZ

  3/24/2187/HH Submitted 29 Nov 2024 100 yards away

  Part conversion of garage. Erection of part single, part two storey front extension incorporating two rooflights, second storey rear extension and the addition of a rear facing rooflight.

  Granted Householder Extension Loft or dormer 13 docs
  Domestic

• 44 Cowper Crescent Hertford Hertfordshire SG14 3DZ

  3/24/2180/HH Submitted 28 Nov 2024 100 yards away

  Demolition of side extension. Erection of single storey side extension, and alterations to fenestration

  Granted Householder Extension Demolition +1 11 docs
  Small domestic

• 3/26/1039/FUL Withdrawn

  Mayflower Place Hertingfordbury Road Hertford Hertfordshire SG14 2LG

  Erection of rear orangery garden room

  Received 24 Jul, published by the council 20 Aug 2026 Full applications
• 3/26/0860/FUL Withdrawn

  Aston Village Hall New Park Lane Aston Hertfordshire SG2 7ED

  Single storey side extension with alterations

  Received 16 Jun, published by the council 8 Aug 2026 Full applications
• 3/26/1414/FUL Awaiting decision

  4 Reynard Copse Bishops Stortford Hertfordshire CM23 2BB

  Demolition of dwelling and construction of a replacement dwelling with solar roof panels

  Received 5 Oct, published by the council 21 Oct 2026 Full applications
• 3/26/1411/FUL Awaiting decision

  47 London Road Hertford Heath Hertfordshire SG13 7RJ

  Change of use and conversion of existing HMO dwelling to two residential dwellings with internal and external alterations including removal of the rear outbuilding,/store, conversion of the garage into habitable space and roof alterations

  Received 4 Oct, published by the council 16 Oct 2026 Full applications
• 3/26/1419/FUL Awaiting decision

  53 And 55 Trinity Road Hertford Heath Hertfordshire SG13 7QR

  Raising of roof and construction of first floor accommodation for both properties

  Received 2 Oct, published by the council 15 Oct 2026 Full applications