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Planning application

15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY

Refused Hertsmere 24/1051/PD42 PD- Prior Approval 42 day (Hsehold ext)

Works: Extension Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Single storey rear extensions Depth: 8.00m, Height: 4.00m, Eaves: 3.00m.

As published by the council, reference 24/1051/PD42

Application record

Reference
24/1051/PD42
Type
PD- Prior Approval 42 day (Hsehold ext)
Status
Decided
Decision
PD42 - Prior Approval Refused
Received
13 Aug 2024
Validated
13 Aug 2024
Decided
20 Sep 2024
Ward
Shenley
Parish
The Parish Council South Mimms And Ridge
Decision by
Delegated Decision
Postcode
EN6 3NY

Site history

Applications at this address on the Hertsmere register

This site has had 3 applications since 2024: 1 approved, 1 refused.

  • 26/0061/FUL Awaiting decision

    15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY

    Demolition of existing detached bungalow to facilitate construction of 3x two storey dwellings (2x semi-detached and 1x detached) to include hard and soft landscaping, front boundary works to include new crossover and erection of cycle and bin storage.

    Submitted 20 Jan 2026 Full applications
  • 24/1243/PD42 Granted

    15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY

    Construction of single storey rear extension. Depth: 8.00m, Height: 4.00m, Eaves: 2.90m.

    Decided 11 Nov 2024 Prior approval

Timeline

Dates from the published record

  1. 13 Aug 2024

    Received by Hertsmere

  2. 20 Sep 2024

    Decision issued: PD42 - Prior Approval Refused

  3. 9 Aug 2026

    Added to PlanIndex

Documents

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

11 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.

Trade members open them from here.

Open the documents

What this refusal means

Hertsmere refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY

    24/1243/PD42 Submitted 30 Sep 2024 0m away

    Construction of single storey rear extension. Depth: 8.00m, Height: 4.00m, Eaves: 2.90m.

    Granted Prior approval Extension 8 docs
    Small domestic

  • 15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY

    26/0061/FUL Submitted 20 Jan 2026 1m away

    84% historically approved · decision due ~31 Mar

    Demolition of existing detached bungalow to facilitate construction of 3x two storey dwellings (2x semi-detached and 1x detached) to include hard and soft landscaping, front boundary works to include new crossover and erection of cycle and bin storage.

    Awaiting decision Full applications Demolition 26 docs

  • Telecommunications Equipment At Junction Of Earls Lane And Blanche Lane South Mimms

    TP/09/0355 Submitted 9 Mar 2009 127m away

    Installation of 8m high replacement lamppost supporting antennas to a total of 10m together with associated equipments cabinets at ground level, a protective barrier and landscaping scheme (Application for prior approval under Part 24 of Schedule 2 to the Town and Country Planning - General Permitted Development (Amendment) order 1995 as amended).

    Granted Telecoms 4 docs

  • Land Adjoining 49 Blanche Lane South Mimms Hertfordshire

    23/0238/DOC Submitted 13 Feb 2023 187m away

    Application for approval of details reserved by conditions 4 (Materials samples) and 9 (Archaeological report) of planning permission reference 21/0429/FUL.

    Decided Conditions 12 docs

  • Land Adjoining 49 Blanche Lane South Mimms Hertfordshire

    22/2082/DOC Submitted 14 Dec 2022 187m away

    Application for approval of details reserved by condition 5 (Landscaping) of planning permission reference 21/0429/FUL.

    Decided Conditions 4 docs

  • 22 Blanche Lane South Mimms Potters Bar EN6 3PA

    TP/09/1942 Submitted 4 Nov 2009 295m 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

In Hertsmere

  • 26/0496/PD56M Granted

    Metropolitan House Darkes Lane Potters Bar Hertfordshire EN6 1AG

    Change of use from Office (Class E) to Residential (Class C3) for 96 flats.

    13 Apr 2026 Prior approval
  • 26/0075/PD56M Decided

    3 Wyllyotts Place Potters Bar Hertfordshire EN6 2JD

    Change of use from Class E to Class C3 to facilitate conversion of offices into 5 self contained flats.

    21 Jan 2026 Prior approval
  • 26/0526/PD42 Granted

    20 Kenilworth Drive Borehamwood Hertfordshire WD6 1QW

    Single storey rear extension. Depth: 6.00m, Height: 2.95m, Eaves: 2.75m.

    20 Apr 2026 Prior approval
  • 26/0539/PD42 Granted

    10 Blunesfield Potters Bar Hertfordshire EN6 5DG

    Single storey rear extension Depth: 7.00m, Height: 3.00m, Eaves: 3.00m.

    22 Apr 2026 Prior approval
  • 26/0493/PD56O Granted

    British Telecom Hatfield Road Potters Bar Hertfordshire EN6 1HR

    Removal of 6no. antennas at 19.45m and installation of 6no. replacement antennas located on the 2.5m stub tower extension. Relocation of 6no. OLO antennas and associated ancillary works.

    10 Apr 2026 Prior approval