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2 Blanche Lane South Mimms Hertfordshire EN6 3NZ

15/2017/HSEHouseholder ApplicationApproved
Householder

Approved on 20 January 2016

Council decision: Grant PermissionDelegated (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

First floor rear extension.

Received
18 November 2015
Decision level
Delegated (officer decision)
Ward
Shenley
  1. Received18 Nov
  2. Validated25 Nov
  3. Consult.10 Feb
  4. Target20 Jan
  5. Decided20 Jan

Decided in 56 days (council typically 56)

About this application

This is a full planning application for a rear extension at 2 Blanche Lane South Mimms Hertfordshire EN6 3NZ. Hertsmere has handled 1,861 applications of this type. This one was decided in 63 days, 7 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 7 other applications at this address. In the past year there have been 122 applications across Shenley. We hold 3,353 applications in total for the EN6 postcode area.

90% of full 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.Planning something similar? See what gets approved on your street

Application details

Postcode
EN6 3NZ
Application type
Householder Application
Scale / size
Small
Parish
South Mimms Parish Council

Planning application dates

Date validated
25 November 2015
Consultation expiry
10 February 2016
Consultation start
20 January 2016
Consultation end
10 February 2016
Neighbour consultation start
26 November 2015
Neighbour consultation end
17 December 2015
Last date for comments
10 February 2016
Target decision date
20 January 2016
Permission expires
20 January 2019

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-04626913
Comments
0
Documents
13
Constraints
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: South MimmsPart of the 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 (20)

flood storage areas, listed buildings, 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

7 other applications at this property, newest first.

  1. 2016
    2 Jun

    2no. FIR TREES. Fell. 1no. ASH. Fell.

    ApprovedTree Works in Conservation Area (6 Week)16/1081/TRC
  2. 2016
    2 Jun

    Erection of single storey outbuilding and associated boundary treatment.

    ApprovedHouseholder16/1080/HSE
  3. 2016
    11 Apr

    Creation of additional vehicular crossover to access driveway.

    ApprovedFull Planning Permission16/0670/FUL
  4. 2016
    26 Feb

    Erection of single storey detached outbuilding to contain garage and workshop. Certificate of Lawful…

    RefusedCertificate Proposed Lawful Use/Dev16/0354/CLP
  5. 2016
    17 Feb

    Erection of detached single storey outbuilding to contain garage and workshop.

    WithdrawnCertificate Proposed Lawful Use/Dev16/0275/CLP
  6. 2015
    9 Nov

    T1 WILLOW. Fell.

    ApprovedTree Works in Conservation Area (6 Week)15/1959/TRC

Source: Hertsmere

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