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31 Blackhorse Lane South Mimms Potters Bar Hertfordshire EN6 3PR

25/0321/CLPCertificate Proposed Lawful Use/DevWithdrawn
Outline / PiP

Withdrawn on 17 March 2025

Council decision: Application WithdrawnDelegated (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

Construction of single storey rear extension with pitched roof, and front porch extension. Certificate of Lawful Development (Proposed).

Received
4 March 2025
Decision level
Delegated (officer decision)
Ward
Shenley
  1. Received4 Mar
  2. Validated7 Mar
  3. Consult.
  4. Target2 May
  5. Decided17 Mar

Decided in 10 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 31 Blackhorse Lane South Mimms Potters Bar Hertfordshire EN6 3PR. Hertsmere has handled 952 applications of this type. It was withdrawn 13 days after it was submitted, before a decision was made. 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.

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 3PR
Application type
Certificate Proposed Lawful Use/Dev
Scale / size
Small
Parish
The Parish Council South Mimms And Ridge

Planning application dates

Date validated
7 March 2025
Target decision date
2 May 2025
Permission expires
17 March 2028

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-13825455
Comments
0
Documents
3
Constraints
11

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 2: Medium 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.

Source: Hertsmere

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