69 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA

1. 12 Feb 2026

   Received by Hertsmere

2. 26 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 18 May 2026

   Decision issued: Grant Permission

4. 9 Aug 2026

   Added to PlanIndex

Hertsmere granted permission on 18 May 2026, 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.

• Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA

  26/1302/DOC Submitted 8 Sep 2026 50 yards away

  100% historically approved · decision due ~3 Nov

  Application for approval of details reserved by condition 3 (fenestration) of planning permission reference 23/0921/LBC.

  Awaiting decision Conditions Windows or glazing

• Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA

  23/0183/TRC Submitted 3 Feb 2023 50 yards away

  2no. ASH. Reduce by approximately 4m in height and 3m in width.

  Granted Trees 5 docs

• 71 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA

  21/1424/TRC Submitted 9 Jul 2021 50 yards away

  T1 WEEPING WILLOW. To reduce by 2.5m in height and width. T2 WEEPING WILLOW. To reduce regrowth by around 2.5m in height and width. To prune back snapped out limb. T3 WEEPING WILLOW. To reduce by 3m height and 3m width, cut back limbs to clear pond area

  Granted Trees 10 docs

• 22 Blanche Lane South Mimms Potters Bar EN6 3PA

  TP/09/1942 Submitted 4 Nov 2009 100 yards away

  Siting of temporary mobile home in rear garden whilst existing main dwelling is being constructed/renovated (Revised Application).

  Refused Full applications 5 docs
  Domestic

• 22 Blanche Lane South Mimms Potters Bar EN6 3PA

  TP/09/0780 Submitted 18 May 2009 100 yards away

  Siting of temporary mobile home in rear garden whilst existing main dwelling is being constructed/renovated. The siting shall only be required for 1 Year.

  Withdrawn Full applications 4 docs
  Domestic

• 8 Hamilton Close South Mimms Potters Bar Hertfordshire EN6 3PG

  26/1159/FUL Submitted 12 Aug 2026 100 yards away

  83% historically approved · decision due ~13 Nov

  Conversion of existing office to 4 residential units facilitated by internal and external alterations to include new windows and doors.

  Awaiting decision Full applications Windows or glazing

• 26/0805/HSE Granted

  Rydal Mount Lodge Baker Street Potters Bar Hertfordshire EN6 2BP

  Demolition of existing conservatory to facilitate construction of single storey rear extension and front porch extension.

  Received 10 Jun, published by the council 24 Jul 2026 Householder
• 26/1218/HSE Refused

  22 The Grove Radlett Hertfordshire WD7 7NF

  Conversion of garage to habitable space with window to replace garage door and new pitched roof, construction of first floor side extension and part single, part two storey rear extension with insertion of 1x side rooflight, alterations to fenestration and front hard landscaping.

  Received 24 Aug, published by the council 1 Sep 2026 Householder
• 26/1253/HSE Granted

  159 Arundel Drive Borehamwood Hertfordshire WD6 2LZ

  Construction of single storey rear extension with pitched roof and 3x rooflights, and alterations to fenestration.

  Received 28 Aug, published by the council 4 Sep 2026 Householder
• 26/1250/HSE Granted

  3 The Walk Potters Bar Hertfordshire EN6 1QL

  Single storey side extension following demolition of existing detached garage and shed.

  Received 28 Aug, published by the council 4 Sep 2026 Householder
• 26/1075/HSE Granted

  7 Belmor Elstree Borehamwood Hertfordshire WD6 3JX

  Proposed boundary treatments to the rear of the property including replacement fence.

  Received 31 Jul, published by the council 12 Aug 2026 Householder