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394 Mutton Lane Potters Bar Hertfordshire EN6 3AT

26/0342/CLPCertificate Proposed Lawful Use/DevApproved
Outline / PiP

Approved on 8 May 2026

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

Conversion of loft to habitable space including hip to gable roof alterations with rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).

Received
16 March 2026
Decision level
Delegated (officer decision)
Ward
Potters Bar Furzefield
Agent
Discount Plans LTD
  1. Received16 Mar
  2. Validated16 Mar
  3. Consult.
  4. Target11 May
  5. Decided8 May

Decided in 53 days (council typically 56)

About this application

This is an outline application for a dormer extension at 394 Mutton Lane Potters Bar Hertfordshire EN6 3AT. Hertsmere has handled 952 applications of this type. This one was decided in 53 days, 3 days quicker than Hertsmere's typical decision time. There are no previous applications recorded at this address. In the past year there have been 96 applications across Potters Bar Furzefield. We hold 3,353 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.Planning something similar? See what gets approved on your street

Application details

Postcode
EN6 3AT
Application type
Certificate Proposed Lawful Use/Dev
Scale / size
Small
Parish
No Parish

Planning application dates

Date validated
16 March 2026
Target decision date
11 May 2026
Decision issued
11 May 2026
Permission expires
11 May 2029

Applicant and agent

Agent
Discount Plans LTD
Agent address
39 - 41 North Road London N7 9DP

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14777575
Comments
0
Documents
10
Constraints
6

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • 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 (22)

flood storage areas, conservation areas, listed buildings, green belt, 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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