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25 Brookside South Mimms Hertfordshire EN6 3PT

15/1083/HSEHouseholder ApplicationApproved
Householder

Approved on 7 September 2015

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

Removal of existing side extension / storage building and construction of replacement side and rear extension.

Received
25 June 2015
Decision level
Delegated (officer decision)
Ward
Shenley
  1. Received25 Jun
  2. Validated13 Jul
  3. Consult.29 Sep
  4. Target7 Sep
  5. Decided7 Sep

Decided in 56 days (council typically 56)

About this application

This is a full planning application for a rear extension at 25 Brookside South Mimms Hertfordshire EN6 3PT. Hertsmere has handled 1,861 applications of this type. This one was decided in 74 days, 3 weeks longer than Hertsmere's typical decision time. There have been 3 other applications at this address. In the past year there have been 124 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.See what's approved near your address

Application details

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

Planning application dates

Date validated
13 July 2015
Consultation expiry
29 September 2015
Consultation start
8 September 2015
Consultation end
29 September 2015
Neighbour consultation start
14 July 2015
Neighbour consultation end
4 August 2015
Last date for comments
29 September 2015
Target decision date
7 September 2015
Permission expires
7 September 2018

Applicant and agent

Agent address
66A High Street Potters Bar Hertfordshire EN6 5AB

Planning decision

Statutory period
56 days

Publicity

Last advertised
30 July 2015
Advertisement expiry
20 August 2015

Additional information

Planning Portal ID
PP-04281869
Comments
0
Documents
7
Constraints
4

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.

Planning history at this site

6 other applications at this property, newest first.

  1. 2022
    17 Nov

    Single storey front and rear extensions and two storey side extension.

    RefusedHouseholder22/1929/HSE
  2. 2022
    8 Jun

    Single storey rear extension. Depth: 6.00m, Height: 4.00m, Eaves: 3.00m.

    ApprovedPD- Prior Approval 42 day (Hsehold ext)22/0986/PD42
  3. 2022
    8 Jun

    Conversion of loft to form habitable space including rear dormer. Single storey side and rear extensions and…

    ApprovedCertificate Proposed Lawful Use/Dev22/0981/CLP
  4. 2020
    31 Mar

    Demolition of existing store room and construction of a two storey side and single storey front and rear…

    RefusedHouseholder20/0466/HSE
  5. 2019
    16 Dec

    Demolition of existing store room and construction of part single/part two storey front extension, two storey…

    RefusedHouseholder19/1975/HSE
  6. 2018
    24 Sep

    Demolition of existing store room and construction of two storey front and side extension, single storey rear…

    RefusedHouseholder18/1866/HSE

Source: Hertsmere

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