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Oak Villa Wash Lane South Mimms Hertfordshire EN6 3QA

21/0630/CLPCertificate Proposed Lawful Use/DevRefused
Outline / PiP

Refused on 14 May 2021

Council decision: Refuse to Grant CertificateDelegated (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 side extensions and alterations to fenestration. Certificate of Lawful Development (Proposed).

Received
23 March 2021
Decision level
Delegated (officer decision)
Ward
Shenley
Agent
John Perrin & Sons Ltd
  1. Received23 Mar
  2. Validated23 Mar
  3. Consult.20 Apr
  4. Target18 May
  5. Decided14 May

Decided in 52 days (council typically 56)

About this application

This is an outline application for an extension at Oak Villa Wash Lane South Mimms Hertfordshire EN6 3QA. Hertsmere has handled 952 applications of this type. This one was decided in 52 days, 4 days quicker than Hertsmere's typical decision time. There have been 2 other applications 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 3QA
Application type
Certificate Proposed Lawful Use/Dev
Scale / size
Small
Parish
South Mimms Parish Council

Planning application dates

Date validated
23 March 2021
Consultation expiry
20 April 2021
Consultation start
30 March 2021
Consultation end
20 April 2021
Last date for comments
20 April 2021
Target decision date
18 May 2021
Decision issued
17 May 2021

Applicant and agent

Agent
John Perrin & Sons Ltd
Agent address
885 Green Lanes London N21 2QS

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-09662689
Comments
0
Documents
10
Constraints
7

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

8 other applications at this property, newest first.

  1. 2025
    28 Aug

    Retrospective application for the retention of front wall, gates, and railings.

    RefusedHouseholder25/1253/HSE
  2. 2024
    20 Jun

    Construction of single storey double garage following removal of existing moveable buildings. Certificate of…

    ApprovedCertificate Proposed Lawful Use/Dev24/0810/CLP
  3. 2024
    11 Mar

    Construction of a single storey double garage Certificate of Lawful Development (Proposed)

    WithdrawnCertificate Proposed Lawful Use/Dev24/0316/CLP
  4. 2024
    7 Feb

    Erection of portacabin ancillary to main dwelling. Certificate of Lawful Development (Existing).

    WithdrawnCertificate Existing Lawful Use/Dev24/0168/CLE
  5. 2023
    23 Feb

    Erection of a single storey, detached, outbuilding to rear garden. Certificate of Lawful Development…

    WithdrawnCertificate Proposed Lawful Use/Dev23/0313/CLP
  6. 2021
    20 May

    Construction of single storey side extensions and alterations to fenestration. Certificate of Lawful…

    ApprovedCertificate Proposed Lawful Use/Dev21/1088/CLP

Source: Hertsmere

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