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

This site has had 4 applications since 2022: 3 approved, 0 refused.

• 26/1302/DOC Awaiting decision

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

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

  Submitted 8 Sep 2026 Conditions
• 23/0183/TRC Granted

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

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

  Decided 14 Mar 2023 Trees
• 22/1631/LBC Granted

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

  Single storey side extension with green roof, alterations to fenestration at all elevations. Installation of stairs at side elevation and railings to rear. Internal alteration to include removal of walls to change internal layout and alterations to doors. Installation of solar panels to garage. Tennis Court to be resurfaced, with electric supply. External works to include additional areas of planting.

  Decided 7 Feb 2023 Heritage and listed buildings

1. 22 Sep 2022

   Received by Hertsmere

2. 7 Feb 2023

   Decision issued: Grant Permission

3. 9 Aug 2026

   Added to PlanIndex

• Application: 22/1631/LBC (Decided)

Hertsmere granted permission on 7 February 2023, 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

  22/1631/LBC Submitted 22 Sep 2022 50 yards away

  Single storey side extension with green roof, alterations to fenestration at all elevations. Installation of stairs at side elevation and railings to rear. Internal alteration to include removal of walls to change internal layout and alterations to doors. Installation of solar panels to garage. Tennis Court to be resurfaced, with electric supply. External works to include additional areas of planting.

  Granted Heritage and listed buildings Extension Roofing +1 36 docs
  Small domestic

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

  26/0183/HSE Submitted 12 Feb 2026 100 yards away

  Construction of single storey rear infill extension and increase of ridge height to existing garage.

  Granted Householder Extension Roofing 11 docs
  Small domestic

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

  26/1302/DOC Submitted 8 Sep 2026 150 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 150 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 150 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 150 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

• 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