Acer House 17 Windhill Bishops Stortford Hertfordshire CM23 2NE

This site has had 2 applications since 2021: 2 approved, 0 refused.

• 3/21/0295/HH Granted

  Acer House 17 Windhill Bishops Stortford Hertfordshire CM23 2NE

  Two storey side/front extension, relocation of bay window, alteration of single storey projection to flat roof, changes to fenestration and other external alterations

  Decided 6 Jul 2021 Householder

1. 8 Nov 2024

   Received by East Hertfordshire

2. 20 Nov 2024

   Validated

   Checked as complete and ready for consideration.

3. 31 Dec 2024

   Decision issued: Grant Plan Permission w Conds

4. 21 Sep 2026

   Added to PlanIndex

• Application: 3/21/0295/HH (Decided)
• Application: 3/24/2189/HH (Decided)
• Application: 3/85/1540/FP (Decided)
• Application: 3/89/0568/FP (Decided)
• Application: 3/99/0820/FP (Decided)

East Hertfordshire granted permission on 31 December 2024, 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.

• 21 Windhill Bishops Stortford Hertfordshire CM23 2NE

  3/26/0389/HH Submitted 19 Mar 2026 50 yards away

  Part single storey and two storey and rear extension with a first-floor rear facing Juliet balcony, removal of a chimney, new rear gable roof feature and first floor rear windows, new side door and repair all existing windows. Fanlight above front door, re-rendering of dwelling, new first floor flank wall window, and cobble stone driveway (part-retrospective)

  Granted Householder Extension Windows or glazing 7 docs
  Small domestic

• 21 Windhill Bishops Stortford Hertfordshire CM23 2NE

  3/24/2211/HH Submitted 3 Dec 2024 50 yards away

  Proposed part single storey and two storey and rear extension with a first floor rear facing Juliet balcony, removal of a chimney, new rear gable roof feature and first floor rear windows, new side door and repair all existing windows.

  Granted Householder Extension Windows or glazing 10 docs
  Small domestic

• 13 St Catherines Court Windhill Bishops Stortford Hertfordshire CM23 2NE

  3/26/0789/FUL Submitted 3 Jun 2026 50 yards away

  Change of use of Housing Manager's flat to be used as a sheltered accommodation dwelling.

  Granted Full applications 7 docs
  Domestic

• Acer House 17 Windhill Bishops Stortford Hertfordshire CM23 2NE

  3/21/0295/HH Submitted 5 Feb 2021 100 yards away

  Two storey side/front extension, relocation of bay window, alteration of single storey projection to flat roof, changes to fenestration and other external alterations

  Granted Householder Extension Windows or glazing 13 docs
  Small domestic

• 13A Apton Road Bishops Stortford Hertfordshire CM23 3SP

  3/21/1138/ODPN Submitted 29 Apr 2021 150 yards away

  Change of use of three storey detached office building (Class B1a) to 3 one bedroom self-contained flats (Class C3).

  Granted Prior approval New dwelling 8 docs

• 46 Windhill Bishops Stortford Hertfordshire CM23 2NH

  X/21/0249/CND Submitted 20 May 2021 150 yards away

  Discharge conditions 3 (materials) and 4 (windows and doors) attached to 3/21/0463/HH

  Granted Conditions Windows or glazing 4 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