Barn Cottage Grange Lane Letchmore Heath Watford Hertfordshire WD25 8DY

1. 14 Sep 2026

   Received by Hertsmere

2. 22 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 9 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hertsmere took a median of 57 days over the applications it decided in the last year.

This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere decided householder applications in a median of 65 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.

• The Barn Grange Lane Letchmore Heath Watford Hertfordshire WD25 8DY

  26/1219/HSE Submitted 24 Aug 2026 50 yards away

  92% historically approved · decision due ~27 Oct

  Erection of a detached timber-clad garden studio cabin for use as a small home office space and gym room ancillary to the existing dwelling, and associated soft landscaping.

  Awaiting decision Householder 17 docs
  Domestic

• The Old Post Office Grange Lane Letchmore Heath Watford WD25 8DY

  TP/06/0118 Submitted 1 Feb 2006 50 yards away

  Conversion of existing detached garage into part garage part habitable accommodation (Certificate of Lawfulness - Proposed).

  Refused Lawful development 6 docs

• Memorial Hall Grange Lane Letchmore Heath Watford Hertfordshire WD25 8DY

  24/1297/DOC Submitted 8 Oct 2024 50 yards away

  Application for approval of details reserved by condition 03 (details of proposed new windows) of planning permission reference 24/0041/FUL.

  Granted Conditions Windows or glazing 3 docs

• 1 Letchmore Cottages Common Lane Letchmore Heath Watford WD25 8EE

  TP/06/0981 Submitted 3 Aug 2006 150 yards away

  *Electronic documents only, no paper file*Erection of rear conservatory.

  Granted Full applications Extension 9 docs

• Pheasants Retreat 10 New Road Letchmore Heath Watford Hertfordshire WD25 8ED

  26/1502/HSE Submitted 19 Oct 2026 200 yards away

  92% historically approved · decision due ~14 Dec

  Erection of single storey attached garage and relocation of existing heat pump.

  Awaiting decision Householder
  Small domestic

• Farm Cottage The Green Letchmore Heath Watford Hertfordshire WD25 8ES

  23/0368/DOC Submitted 7 Mar 2023 200 yards away

  Application for Approval of Details reserved by Condition 3 (External Construction Materials) of Planning Permission reference 22/1344/HSE.

  Granted Conditions 4 docs

• 26/1319/HSE Granted

  54 The Shrublands Potters Bar Hertfordshire EN6 2BW

  Single storey side extension and front porch.

  Received 10 Sep, published by the council 23 Sep 2026 Householder
• 26/1324/HSE Granted

  12 Nightingale Close Radlett Hertfordshire WD7 8NT

  Partial conversion of garage to habitable space, construction of single storey rear extension and front porch extension, alterations to fenestration.

  Received 11 Sep, published by the council 21 Sep 2026 Householder
• 26/1263/HSE Granted

  11 Juniper Gardens Shenley Radlett Hertfordshire WD7 9LA

  Single storey rear extension.

  Received 1 Sep, published by the council 23 Sep 2026 Householder
• 26/1303/HSE Granted

  14 Hartfield Avenue Elstree Borehamwood Hertfordshire WD6 3JE

  Alterations to fenestration to include replacement of garage door with window and side elevation window changes.

  Received 8 Sep, published by the council 15 Sep 2026 Householder
• 26/1248/HSE Granted

  24 Farm Way Bushey Hertfordshire WD23 3SS

  Single storey rear extension; single storey front extension to include porch, conversion of garage to habitable space and replacement of garage door with window; first floor side extension.

  Received 28 Aug, published by the council 4 Sep 2026 Householder