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Cedar House 73 Blanche Lane South Mimms Hertfordshire EN6 3PA

20/1412/LBCListed Building ConsentApproved

Approved on 12 November 2020

Council decision: Grants ConsentDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Internal alterations to include new internal doors and additional en-suite facilities, and works to kitchen ceiling (Application for Listed Building Consent).

Received
14 September 2020
Decision level
Delegated (officer decision)
Ward
Shenley
  1. Received14 Sep
  2. Validated14 Sep
  3. Consult.9 Oct
  4. Target16 Nov
  5. Decided12 Nov

Decided in 59 days (council typically 56)

About this application

This is a heritage application at Cedar House 73 Blanche Lane South Mimms Hertfordshire EN6 3PA. Hertsmere has handled 105 applications of this type. This one was decided in 59 days, 3 days longer than Hertsmere's typical decision time. The site is in the South Mimms conservation area, with 1 listed building nearby. There have been 5 other applications at this address. In the past year there have been 124 applications across Shenley. We hold 3,350 applications in total for the EN6 postcode area.

86% of heritage applications at Hertsmere Borough Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
EN6 3PA
Application type
Listed Building Consent
Scale / size
Medium
Parish
South Mimms Parish Council

Planning application dates

Date validated
14 September 2020
Consultation expiry
21 October 2020
Consultation start
18 September 2020
Consultation end
9 October 2020
Neighbour consultation start
18 September 2020
Neighbour consultation end
9 October 2020
Last date for comments
21 October 2020
Target decision date
16 November 2020
Decision issued
13 November 2020
Permission expires
13 November 2023

Planning decision

Statutory period
63 days

Publicity

Last advertised
30 September 2020
Advertisement expiry
21 October 2020
Site notice start
23 September 2020
Site notice end
14 October 2020

Additional information

Planning Portal ID
PP-09032228
Comments
0
Documents
17
Constraints
11

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: South Mimms
  • Listed building: Grade II: Cedar HouseOn this site
  • Green belt: Hertsmere
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (19)

flood storage areas, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Planning history at this site

15 other applications at this property, newest first.

  1. 2023
    20 Oct

    Insertion of 2 x roof lights to approved side extension following consented schemes 23/0920/HSE

    ApprovedListed building consent23/1499/LBC
  2. 2023
    20 Oct

    Insertion of 2 x roof lights to approved side extension following consented schemes 23/0920/HSE

    ApprovedListed building consent23/1498/HSE
  3. 2023
    20 Sep

    Application for approval of details reserved by conditions 4 (external materials) and 7 (mortar mix) of…

    Condition DischargedDischarge of conditions23/1312/DOC
  4. 2023
    27 Jun

    Amendments to approved side extension (under application reference 22/1631/LBC

    ApprovedListed building consent23/0921/LBC
  5. 2023
    26 Jun

    Amendments to approved side extension (under application reference 22/1630/HSE

    ApprovedListed building consent23/0920/HSE
  6. 2023
    31 May

    Application for a non-material amendment to allow for alteration from curved edge (to side elevation) to…

    WithdrawnNon-material amendment23/0801/MA

Source: Hertsmere

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