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13 Mandeville Road Potters Bar Hertfordshire EN6 5LG

25/0417/CLPCertificate Proposed Lawful Use/DevApproved
Outline / PiP

Approved on 14 May 2025

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 to include rear dormer and insertion of 3x front rooflights. Certificate of Lawful Development (Proposed).

Received
19 March 2025
Decision level
Delegated (officer decision)
Public comments
1
Ward
Potters Bar Oakmere
Agent
ELA Design
  1. Received19 Mar
  2. Validated19 Mar
  3. Consult.
  4. Target16 May
  5. Decided14 May

Decided in 56 days (council typically 56)

About this application

This is an outline application for a dormer extension at 13 Mandeville Road Potters Bar Hertfordshire EN6 5LG. Hertsmere has handled 952 applications of this type. This one was decided in 56 days. There has been 1 other application at this address. In the past year there have been 74 applications across Potters Bar Oakmere. 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.See what's approved near your address

Application details

Postcode
EN6 5LG
Application type
Certificate Proposed Lawful Use/Dev
Scale / size
Small
Parish
No Parish

Planning application dates

Date validated
19 March 2025
Neighbour consultation start
15 May 2025
Target decision date
16 May 2025
Decision issued
15 May 2025
Permission expires
15 May 2028

Applicant and agent

Agent
ELA Design
Agent address
Beechcroft Riverside Avenue Broxbourne EN10 6RA

Planning decision

Statutory period
58 days

Additional information

Planning Portal ID
PP-13868715
Documents
4
Constraints
7

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.

Associated applications

  1. 2025
    19 Mar

    Conversion of loft to habitable space to include rear dormer and insertion of 3x front rooflights…

    ApprovedCertificate Proposed Lawful Use/DevFiled alongside25/0416/CLP
  2. 2025
    19 Mar

    Conversion of loft to habitable space to include rear dormer and insertion of 3x front rooflights…

    This applicationApprovedOutline25/0417/CLP

Source: Hertsmere

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