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27 Brookside South Mimms Hertfordshire EN6 3PT

15/0462/CLPCertificate Proposed Lawful Use/DevApproved
Outline / PiP

Approved on 18 May 2015

Council decision: Grant Lawful Certificate (Proposed Dev)Delegated (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

Single storey rear extension (Certificate of Lawful Development Proposed)

Received
23 March 2015
Decision level
Delegated (officer decision)
Ward
Shenley
  1. Received23 Mar
  2. Validated23 Mar
  3. Consult.30 Apr
  4. Target18 May
  5. Decided18 May

Decided in 56 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 27 Brookside South Mimms Hertfordshire EN6 3PT. Hertsmere has handled 952 applications of this type. This one was decided in 56 days. There are no previous applications recorded 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.

81% of outline 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
Certificate Proposed Lawful Use/Dev
Scale / size
Small
Parish
South Mimms Parish Council

Planning application dates

Date validated
23 March 2015
Consultation expiry
30 April 2015
Consultation start
9 April 2015
Consultation end
30 April 2015
Last date for comments
30 April 2015
Target decision date
18 May 2015
Permission expires
18 May 2018

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-04067411
Comments
0
Documents
9
Constraints
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • 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 (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

1 other application at this property, newest first.

  1. 2013
    3 May

    Erection of two storey front extension and single storey rear extension.

    RefusedHouseholderTP/13/1067

Source: Hertsmere

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