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23 Cecil Cottages St Albans Road South Mimms Hertfordshire EN6 3PL

20/1880/HSEHouseholder ApplicationApproved
Householder

Approved on 12 January 2021

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

Part single, part two storey side and rear extension

Received
16 November 2020
Decision level
Delegated (officer decision)
Public comments
1
Ward
Shenley
  1. Received16 Nov
  2. Validated19 Nov
  3. Consult.11 Dec
  4. Target14 Jan
  5. Decided12 Jan

Decided in 54 days (council typically 56)

About this application

This is a full planning application for a rear extension at 23 Cecil Cottages St Albans Road South Mimms Hertfordshire EN6 3PL. Hertsmere has handled 1,861 applications of this type. This one was decided in 57 days. The site is in 3 listed buildings nearby. There have been 7 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.

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 3PL
Application type
Householder Application
Scale / size
Small
Parish
South Mimms Parish Council

Planning application dates

Date validated
19 November 2020
Consultation expiry
30 December 2020
Consultation start
20 November 2020
Consultation end
11 December 2020
Neighbour consultation start
13 January 2021
Neighbour consultation end
11 December 2020
Last date for comments
30 December 2020
Target decision date
14 January 2021
Decision issued
13 January 2021
Permission expires
13 January 2024

Applicant and agent

Agent
Technical Detail
Architect profile
TECHNICAL DETAIL LTD
Agent address
66A High Street Potters Bar EN6 5AB

Planning decision

Statutory period
56 days

Publicity

Last advertised
9 December 2020
Advertisement expiry
30 December 2020

Additional information

Planning Portal ID
PP-09257903
Documents
7
Constraints
6

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

7 other applications at this property, newest first.

  1. 2021
    15 Jan

    Part single/part two storey side and rear extensions and conversion of loft to habitable room with hip to…

    ApprovedHouseholder21/0093/HSE
  2. 2020
    5 Nov

    Construction of front boundary fence, access gates and grass protection mat surface.

    ApprovedHouseholder20/1793/HSE
  3. 2020
    12 Oct

    Single storey side and rear extensions. Certificate of Lawful Development (Proposed). Revised Application.

    ApprovedCertificate Proposed Lawful Use/Dev20/1605/CLP
  4. 2020
    3 Sep

    Construction of front boundary wall, access gates and block paved hardstanding

    WithdrawnHouseholder20/1358/HSE
  5. 2020
    2 Sep

    Single storey rear extension Depth - 6m Height - 3.6m Eaves - 3m

    ApprovedPD- Prior Approval 42 day (Hsehold ext)20/1353/PD42
  6. 2020
    27 Aug

    Conversion of loft to habitable room with hip to gable roof alterations to include rear dormer with Juliet…

    ApprovedCertificate Proposed Lawful Use/Dev20/1339/CLP

Source: Hertsmere

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