The Windmill 18A Ermine Street Thundridge Hertfordshire SG12 0SY

This site has had 2 applications since 2026.

• 3/26/1330/LBC Awaiting decision

  The Windmill 18A Ermine Street Thundridge Hertfordshire SG12 0SY

  Listed building consent for a single storey rear extension and alterations to fenestration

  Submitted 21 Sep 2026 Heritage and listed buildings

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 householder applications in a median of 73 days. More in our guide to how long planning decisions take.

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.

• 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

  3/26/1330/LBC Submitted 21 Sep 2026 50 yards away

  87% historically approved · decision due ~3 Dec

  Listed building consent for a single storey rear extension and alterations to fenestration

  Awaiting decision Heritage and listed buildings 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

• 3/26/1480/HH Awaiting decision

  82 Mangrove Road Hertford Hertfordshire SG13 8AN

  Two-storey rear extension at first and second floor level; demolition of existing rear dormer, installation of roof light and window to side, and extension to rear patio

  Received 19 Oct, published by the council 22 Oct 2026 Householder
• 3/26/1477/HH Awaiting decision

  22 Hare Street Road Buntingford Hertfordshire SG9 9HW

  Erection of single storey front porch and side extensions

  Received 19 Oct, published by the council 22 Oct 2026 Householder
• 3/26/1466/HH Awaiting decision

  8 The Stewarts Bishops Stortford Hertfordshire CM23 2NT

  Demolition of existing rear conservatory. Erection of two storey front and rear extensions. Raising roof ridge. Removal of existing chimney and insertion of two chimneys. Insertion of three rooflights on front roof slope and three rooflights and dormer to rear roof slope. Alterations to fenestrations

  Received 14 Oct, published by the council 20 Oct 2026 Householder
• 3/26/1469/HH Awaiting decision

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

  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 Householder
• 3/26/1463/HH Awaiting decision

  16 Temple Lane Tonwell Hertfordshire SG12 0HP

  Erection of two storey side and single storey rear extension

  Received 13 Oct, published by the council 20 Oct 2026 Householder