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Casa Maria Spaniards End London NW3 7JG

25/4302/LBCListed Building Consent / DemolitionApproved
Listed building consent

Approved on 10 December 2025

Council decision: Approve subject to conditionsDelegated (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

Alterations to existing outbuilding including removal of door and replacement of windows

Received
28 October 2025
Decision level
Delegated (officer decision)
Ward
Garden Suburb
Agent
HGH Consulting
  1. Received28 Oct
  2. Validated29 Oct
  3. Consult.
  4. Target24 Dec
  5. Decided10 Dec

Decided in 42 days (council typically 56)

About this application

This is a heritage application for an outbuilding at Casa Maria Spaniards End London NW3 7JG. Barnet has handled 133 applications of this type. This one was decided in 43 days, 13 days quicker than Barnet's typical decision time. The site is in the Hampstead Garden Suburb conservation area, with 6 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 211 applications across Garden Suburb. We hold 2,609 applications in total for the NW3 postcode area.

94% of heritage applications at London Borough of Barnet 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
NW3 7JG
Application type
Listed Building Consent / Demolition
Scale / size
Small

Planning application dates

Date validated
29 October 2025
Consultation expiry
27 November 2025
Target decision date
24 December 2025

Applicant and agent

Agent
HGH Consulting
Agent address
13-14 Welbeck Street London W1G 9XU

Planning decision

Statutory period
56 days

Publicity

Last advertised
6 November 2025
Advertisement expiry
27 November 2025
Site notice start
6 November 2025
Site notice end
27 November 2025

Additional information

Planning Portal ID
PP-14425351
Comments
0
Documents
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Hampstead Garden Suburb
  • Listed building: Grade II: Casa Maria the Chantry and White HouseOn this site
  • Article 4 direction: Article 4 for Hampstead Garden Suburb CA Area 2 Spaniards End+2 more
  • Tree Preservation Order: Ref TRE/FI/53Protected tree on or next to this site
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

flood storage areas, 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
    28 Oct

    Alterations to existing outbuilding including removal of door and replacement of windows

    ApprovedHouseholderFiled alongside25/4301/HSE
  2. 2025
    28 Oct

    Alterations to existing outbuilding including removal of door and replacement of windows

    This applicationApprovedListed building consent25/4302/LBC

Source: Barnet

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

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