The Windmill 18A Ermine Street Thundridge Hertfordshire SG12 0SY

This site has had 2 applications since 2026.

• 3/26/1329/HH Awaiting decision

  The Windmill 18A Ermine Street Thundridge Hertfordshire SG12 0SY

  Single storey rear extension and alterations to fenestration

  Submitted 21 Sep 2026 Householder

1. 21 Sep 2026

   Received by East Hertfordshire

2. 8 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 8 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 3 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   East Hertfordshire took a median of 77 days over the applications it decided in the last year.

This application is with East Hertfordshire for determination, against a statutory target of eight weeks. Over the last year East Hertfordshire decided heritage and listed building applications in a median of 97 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 20 Ermine Street Thundridge Hertfordshire SG12 0SY

  3/26/0808/HH Submitted 8 Jun 2026 50 yards away

  Replacement windows and French doors

  Granted Householder Windows or glazing 14 docs
  Domestic

• The Windmill 18A Ermine Street Thundridge Hertfordshire SG12 0SY

  3/26/1329/HH Submitted 21 Sep 2026 50 yards away

  86% historically approved · decision due ~3 Dec

  Single storey rear extension and alterations to fenestration

  Awaiting decision Householder Extension Windows or glazing
  Small domestic

• Mill House 62 Ermine Street Thundridge Hertfordshire SG12 0SY

  3/24/1728/HH Submitted 12 Sep 2024 50 yards away

  Proposed wrought iron railings to existing front steps

  Granted Householder 8 docs
  Domestic

• Mill House 62 Ermine Street Thundridge Hertfordshire SG12 0SY

  3/24/1729/LBC Submitted 12 Sep 2024 50 yards away

  Proposed wrought iron railings to existing front steps

  Granted Heritage and listed buildings 7 docs

• Wooding Cottage 15 Ermine Street Thundridge Hertfordshire SG12 0SY

  3/26/0229/HH Submitted 19 Feb 2026 50 yards away

  Demolition of existing outbuilding and erection of replacement outbuilding (retrospective).

  Granted Householder Demolition 21 docs
  Small domestic

• 27, Ermine Street, Thundridge, Ware, SG120SY

  3/07/0504/LB Submitted 9 Mar 2007 50 yards away

  Replacement of broken leaded light glass pane/windows, relocation of electricity supply/meter to outhouse, complete rewiring, installation of gas supply/gas central heating, installation of digital TV aerial/sky mini-dish, repair and painting of boundary wrought iron fencing, modification to kitchen chimney breast (raising beam), stripping and re-finishing of all exterior painted woodwork, relocate toilet to main bathroom, leading of bay window roof

  Granted Heritage and listed buildings Windows or glazing 4 docs

• 3/26/1498/LBC Awaiting decision

  Cowards Barn Cowards Lane Thundridge Hill Thundridge Hertfordshire SG12 0UF

  Listed Building Consent for the erection of single storey side/rear extension

  22 Oct 2026 Heritage and listed buildings
• 3/26/1470/LBC Awaiting decision

  Westfield Hall Road U3976 East From New Road Pst Westfield Farm To Westfield Farm Lane Westland Green Little Hadham Hertfordshire SG11 2AL

  Listed building consent for the removal of existing single skin metal oil tank and fenced enclosure and replacement with modern bunded oil tank within fence and planted enclosure

  Received 14 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
• 3/26/1451/LBC Awaiting decision

  1 High Street Hunsdon Hertfordshire SG12 8NH

  Erection of two-storey side extension, demolition and re-building of rear extension with additional window and roof light and replacement windows throughout

  Received 12 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
• 3/26/1040/LBC Withdrawn

  Mayflower Place Hertingfordbury Road Hertford Hertfordshire SG14 2LG

  Erection of rear orangery garden room

  Received 24 Jul, published by the council 19 Aug 2026 Heritage and listed buildings
• 3/26/0690/LBC Granted

  Brocketts Tower Hill Much Hadham Hertfordshire SG10 6DL

  Listed Building Consent for like-for-like repairs to the exposed timber frame to the front elevation and replacement of two corner posts

  Received 14 May, published by the council 23 Jul 2026 Heritage and listed buildings