Tarn Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DQ

This site has had 4 applications since 2025: 4 approved, 0 refused.

• 25/1888/FUL Granted

  Tarn Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DQ

  Construction of single storey rear extension; loft extension including increase in ridge height with front/rear dormers and front rooflights; relocation of entrance door, alterations to fenestration and internal alterations.

  Decided 18 Dec 2025 Full applications
• 25/1504/CLPD Granted

  Tarn Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DQ

  Certificate of Lawfulness Proposed Development: Enlargement of the dwellinghouse by the construction of one additional storey and single storey rear extension

  Decided 16 Oct 2025 Lawful development
• 25/1146/PDT Granted

  Tarn Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DQ

  Prior approval: Enlargement of the dwellinghouse by the construction of one additional storey (2.65m height) and raising of roof ridge to result in an overall height of 8.33m (Class AA)

  Decided 19 Aug 2025 Outline

1. 1 Jul 2025

   Received by Three Rivers

2. 7 Aug 2025

   Decision issued: no objection

3. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 7 August 2025, 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.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• Tarn Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DQ

  25/1146/PDT Submitted 4 Jul 2025 50 yards away

  Prior approval: Enlargement of the dwellinghouse by the construction of one additional storey (2.65m height) and raising of roof ridge to result in an overall height of 8.33m (Class AA)

  Granted Outline 17 docs
  Domestic

• Tarn Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DQ

  25/1504/CLPD Submitted 4 Sep 2025 50 yards away

  Certificate of Lawfulness Proposed Development: Enlargement of the dwellinghouse by the construction of one additional storey and single storey rear extension

  Granted Lawful development Extension 16 docs
  Small domestic

• Tarn Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DQ

  25/1888/FUL Submitted 31 Oct 2025 50 yards away

  Construction of single storey rear extension; loft extension including increase in ridge height with front/rear dormers and front rooflights; relocation of entrance door, alterations to fenestration and internal alterations.

  Granted Full applications Extension Loft or dormer +2 22 docs
  Small domestic

• Sunchat Penmans Hill Chipperfield Kings Langley Hertfordshire WD4 9DJ

  25/0940/FUL Submitted 30 May 2025 50 yards away

  Demolition of existing conservatory and construction of single storey rear extension; alterations to side fenestration, rooflights

  Granted Full applications Extension Loft or dormer +2 10 docs
  Small domestic

• 6 Belsize Cottages Dunny Lane Belsize Kings Langley Hertfordshire WD3 4NP

  25/0797/FUL Submitted 8 May 2025 50 yards away

  Demolition of existing conservatory and construction of single-storey rear extension

  Granted Full applications Extension Demolition 9 docs
  Small domestic

• 6 Belsize Cottages Dunny Lane Belsize Kings Langley Hertfordshire WD3 4NP

  25/0800/CLPD Submitted 8 May 2025 50 yards away

  Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer with juliet balcony and front rooflights

  Granted Lawful development Loft or dormer 6 docs

• 26/1422/OUT Awaiting decision

  156 The Drive Rickmansworth Hertfordshire WD3 4DH

  Outline application: Construction of 2no. detached two-storey, self build dwellings, to the rear of No.156 The Drive with associated access, parking and landscaping works (Appearance and Scale reserved matters)

  Received 7 Sep, published by the council 18 Sep 2026 Outline
• 26/1077/PDE Withdrawn

  36 Girton Way Croxley Green Rickmansworth Hertfordshire WD3 3QN

  Prior Approval: Single storey rear extension (depth 5.75 metres, maximum height 3.45 metres, maximum eaves height 3.45 metres)

  Received 3 Jul, published by the council 24 Jul 2026 Outline
• 26/0930/PDE Granted

  116 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 2.81 metres, maximum eaves height 2.81 metres)

  Received 8 Jun, published by the council 24 Jul 2026 Outline
• 26/1242/PDA Awaiting decision

  Moonshine Farm Bragmans Lane Sarratt HP3 0PL

  Prior Approval: Change of use of existing agricultural barn to one self contained residential dwelling with associated parking

  Received 3 Aug, published by the council 26 Aug 2026 Outline
• 26/0694/PDT Granted

  The Bungalow Batchworth Heath Farm Batchworth Heath Rickmansworth Hertfordshire WD3 1QB

  Prior approval: Enlargement of the dwellinghouse by the construction of one additional storey (2.75m height) and raising of ridge to result in an overall height of 6.58m (Class AA)

  Received 28 Apr, published by the council 24 Jul 2026 Outline