40 Cowper Crescent Hertford Hertfordshire SG14 3DZ

1. 28 Aug 2026

   Received by East Hertfordshire

2. 10 Sep 2026

   Added to PlanIndex

3. 20 Oct 2026

   Status changed to Decided

   Previously Awaiting decision.

East Hertfordshire granted permission, 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 37 Cowper Crescent Hertford Hertfordshire SG14 3DZ

  3/24/2187/HH Submitted 29 Nov 2024 50 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 50 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

• 32 Cowper Crescent Hertford Hertfordshire SG14 3DZ

  3/24/1402/HH Submitted 29 Jul 2024 50 yards away

  Demolition of garage and shed. Construction of a single storey detached annex

  Granted Householder Demolition 7 docs
  Small domestic

• 37, Cowper Crescent, Hertford, SG143DZ

  3/06/2470/FP Submitted 14 Dec 2006 50 yards away

  Erection of a PVCu Conservatory to the rear of the property

  Granted Full applications Extension

• 38 Cowper Crescent Hertford Hertfordshire SG14 3DZ

  3/21/0799/HH Submitted 25 Mar 2021 50 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

• 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 8 docs

• 3/26/1576/HH Awaiting decision

  14 Hoestock Road Sawbridgeworth Hertfordshire CM21 0DZ

  Single storey side and rear extension

  6 Nov 2026 Householder
• 3/26/1578/HH Awaiting decision

  12 St Leonards Road Hertford Hertfordshire SG14 3JN

  Change of window and door to new patio doors

  Received 4 Nov, published by the council 6 Nov 2026 Householder
• 3/26/1568/HH Awaiting decision

  Black Wood House B1038 Between Access Road To Alswick Hall Farm And Junction With B1368 Hare Street Hertfordshire SG9 0AD

  Construction of detached outbuilding for home office/gym

  Received 4 Nov, published by the council 6 Nov 2026 Householder
• 3/26/1570/HH Awaiting decision

  20 Penningtons Bishops Stortford Hertfordshire CM23 4LE

  Two storey rear extension, single storey side/rear extension following the demolition of conservatory. Garage conversion into habitable space with replacement window, insertion of side windows and roof lights to existing roof

  Received 4 Nov, published by the council 5 Nov 2026 Householder
• 3/26/1563/HH Awaiting decision

  20 Westfield Road Hertford Hertfordshire SG14 3DJ

  Replacement raised roof with hip to gable extension, front projection gable end to hip to allow for loft conversion with side dormer, roof lights and Juliet balcony to rear

  Received 3 Nov, published by the council 5 Nov 2026 Householder