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Planning application

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

Granted Hertsmere 22/1631/LBC Listed Building Consent

Works: Extension Roofing Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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.

As published by the council, reference 22/1631/LBC

Application record

Reference
22/1631/LBC
Type
Listed Building Consent
Status
Decided
Decision
Grants Consent
Received
22 Sep 2022
Validated
22 Sep 2022
Decided
7 Feb 2023
Ward
Shenley
Parish
South Mimms Parish Council
Decision by
Committee Decision
Postcode
EN6 3PA

Site history

Applications at this address on the Hertsmere register

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

  • 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
  • 22/1630/HSE 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 Householder

Timeline

Dates from the published record

  1. 22 Sep 2022

    Received by Hertsmere

  2. 7 Feb 2023

    Decision issued: Grants Consent

  3. 9 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, registered in Potters Bar

23 applications on PlanIndex · across 4 councils · 95% granted

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Documents

Plans, drawings, consultee responses and the officer's report

36 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

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.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 500 metres

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

    22/1630/HSE Submitted 22 Sep 2022 0m 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 Householder Extension Roofing +1 38 docs
    Small domestic

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

    26/0183/HSE Submitted 12 Feb 2026 86m 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

    23/0183/TRC Submitted 3 Feb 2023 118m 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 118m 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 156m 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 156m 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

In Hertsmere

  • 26/1194/LBC Awaiting decision

    Aldenham School Aldenham Road Elstree Borehamwood Hertfordshire WD6 3AJ

    Alterations to building to remove the single storey spaces from around the auditorium and flytower, and replace them with two storey and double height spaces, new foyer with colonnaded entrance (including level access), new rooftop air-handling plant and photovoltaic array, installation of lift, surface water attenuation measures, together with associated hard and soft landscaping. (Application for Listed Building Consent with associated full application 26/1193/FUL)

    18 Aug 2026 Heritage and listed buildings
  • 26/0059/LBC Granted

    Nicoll Farm 34 Allum Lane Elstree Borehamwood Hertfordshire WD6 3NP

    Single storey rear extension to farmhouse and subdivision to create 1x3 bed and 1x 4 bed dwelling. Demolition of existing extensions to barn and conversion to 4x bed dwelling with alterations to fenestration. Erection of 2 4x bed semi detached dwellings. Erection of single storey 2x bed dwelling. Associated works and landscaping. (Application for Listed Building Consent with Associated 26/0060/FUL)

    19 Jan 2026 Heritage and listed buildings
  • 26/0940/LBC Awaiting decision

    Flat 5 Wessex House Marlborough Drive Bushey Hertfordshire WD23 2RP

    Replacement of existing double glazed units in ensuite bathroom (Application for Listed Building Consent).

    9 Jul 2026 Heritage and listed buildings
  • 26/0898/LBC Awaiting decision

    The White Hart St Albans Road South Mimms Potters Bar Hertfordshire EN6 3PJ

    Replacement of existing windows with bespoke timber windows and replacement of the northern perimeter wall (Application for Listed Building Consent) (AMENDED DESCRIPTION: 18/08/2026 - to include replacement of northern perimeter wall).

    29 Jun 2026 Heritage and listed buildings
  • 26/0512/LBC Granted

    Flat 5 Wessex House Marlborough Drive Bushey Hertfordshire WD23 2RP

    Replacement of window glazing units. (Application for listed building consent)

    14 Apr 2026 Heritage and listed buildings