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Mymsmead 49 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NZ

22/0532/LBCListed Building ConsentApproved

Approved on 28 June 2022

Council decision: Grants ConsentDelegated (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 connected to main dwelling via glass link, changes to fenestration and roof tiles, replacement of rainwater goods, repair to brickwork, and new landscaping to rear garden. (Application for Listed Building Consent).

Received
25 March 2022
Decision level
Delegated (officer decision)
Ward
Shenley
Agent
E2 Architecture + Interiors
  1. Received25 Mar
  2. Validated25 Mar
  3. Consult.20 Apr
  4. Target29 Jun
  5. Decided28 Jun

Decided in 95 days (council typically 56)

About this application

This is a heritage application for a single storey rear extension at Mymsmead 49 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NZ. Hertsmere has handled 105 applications of this type. This one was decided in 95 days, 6 weeks longer than Hertsmere's typical decision time. The site is in the South Mimms conservation area, with 1 listed building nearby. 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.

86% of heritage 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.Planning something similar? See what gets approved on your street

Application details

Postcode
EN6 3NZ
Application type
Listed Building Consent
Scale / size
Medium
Parish
South Mimms Parish Council

Planning application dates

Date validated
25 March 2022
Consultation expiry
4 May 2022
Consultation start
30 March 2022
Consultation end
20 April 2022
Neighbour consultation start
31 March 2022
Neighbour consultation end
23 April 2022
Last date for comments
4 May 2022
Target decision date
29 June 2022
Decision issued
29 June 2022
Permission expires
29 June 2025

Applicant and agent

Agent
E2 Architecture + Interiors
Architect profile
E2 ARCHITECTURE + INTERIORS LTD
Agent address
Unit 57 Containerville 1 Emma Street London E2 9FP

Planning decision

Statutory period
96 days

Publicity

Last advertised
13 April 2022
Advertisement expiry
4 May 2022

Additional information

Planning Portal ID
PP-11112352
Comments
0
Documents
13
Constraints
8

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: South Mimms
  • Listed building: Grade II: MymsmeadOn this site
  • 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 (19)

flood storage areas, 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. 2022
    25 Mar

    Single storey rear extension connected to main dwelling via glass link, changes to fenestration and roof…

    ApprovedHouseholderFiled alongside22/0531/HSE
  2. 2022
    25 Mar

    Single storey rear extension connected to main dwelling via glass link, changes to fenestration and roof…

    This applicationApprovedListed building consent22/0532/LBC

Source: Hertsmere

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