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34 Blackhorse Lane South Mimms Hertfordshire EN6 3PS

17/0531/HSEHouseholder ApplicationApproved
Householder

Approved on 17 May 2017

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

Erection of two storey side extension following removal of existing single storey store room; new front porch (Amended Plans received 25/4/2017)

Received
17 March 2017
Decision level
Delegated (officer decision)
Public comments
1
Ward
Shenley
  1. Received17 Mar
  2. Validated23 Mar
  3. Consult.7 Jun
  4. Target18 May
  5. Decided17 May

Decided in 55 days (council typically 56)

About this application

This is a full planning application for a two storey side extension at 34 Blackhorse Lane South Mimms Hertfordshire EN6 3PS. Hertsmere has handled 1,861 applications of this type. This one was decided in 61 days, 5 days longer than Hertsmere's typical decision time. The site is in 1 listed building nearby. There has been 1 other application 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.

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.See what's approved near your address

Application details

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

Planning application dates

Date validated
23 March 2017
Consultation expiry
7 June 2017
Consultation start
17 May 2017
Consultation end
7 June 2017
Neighbour consultation start
27 April 2017
Neighbour consultation end
4 May 2017
Last date for comments
7 June 2017
Target decision date
18 May 2017
Permission expires
17 May 2020

Applicant and agent

Agent
Gordon Marshall Building Surveying
Agent address
46 Cotton Road Potters Bar Hertfordshire EN6 5JG

Planning decision

Statutory period
56 days

Publicity

Site notice start
30 March 2017
Site notice end
20 April 2017

Additional information

Planning Portal ID
PP-05918853
Documents
17
Constraints
6

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site
  • Green belt: Hertsmere

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 (21)

flood storage areas, conservation 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.

Associated applications

  1. 2018
    23 Apr

    Application for a non-material amendment to allow for changes to ground floor arrangement and fenestration…

    ApprovedNon-material amendmentAmendment18/0806/MA
  2. 2017
    17 Mar

    Erection of two storey side extension following removal of existing single storey store room; new front porch…

    This applicationApprovedFull17/0531/HSE

Source: Hertsmere

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