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149 High Street Barnet EN5 5SU

26/3674/FULAwaiting decision
Site boundary (council red line)

Proposal

Single storey rear extension, enclosure of existing outdoor courtyard space to provide additional dining, alterations to internal layouts at basement and ground floor levels. Change of use of existing first and second floor levels into 2no. HMO units. Associated refuse and cycle storage

Received
12 October 2026
Public comments
6 · last counted 27 October 2026
  1. Received12 Oct
  2. Validated12 Oct
  3. Consult.
  4. Target
  5. Decided

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About this application

This is a planning application for a single storey rear extension at 149 High Street Barnet EN5 5SU. Barnet has handled 16,914 applications of this type. It has been with the council since 12 October 2026 and is still awaiting a decision. The site is in the Monken Hadley conservation area, with 1 listed building nearby. There has been 1 other application at this address. We hold 3,740 applications in total for the EN5 postcode area.

Application details

Postcode
EN5 5SU

Planning application dates

Date validated
12 October 2026

Additional information

Documents
28

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Monken Hadley
  • Listed building: Grade II: 151, High StreetOn or next to this site
  • Article 4 direction: Article 4 Small Houses in Multiple Occupation (HMO) Area 1
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage areas, tree preservation orders, 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: Barnet

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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Before the decision

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A listed building is on or next to this site.

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