The Chantry And The White House, Spaniards End, London, NW3 7JG

25/3496/LBCAll OtherPermitted

Proposal

Amalgamation to recreate a single dwelling, together with refurbishment involving internal and external alterations (including removal of later additions and extensions), ground floor conservatory extension, extension to the lower ground floor, creation of a new partial basement and roof extension to recreate a second floor and other associated development including landscaping

Received: 26 August 2025
Decided: 17 December 2025
Council: London Borough of Barnet

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.

ReceivedSubmitted26 Aug
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided17 Dec

Decided in 113 days (council typically 49)

7 weeks typical decision time in Barnet88% of all other applications approved

This is a planning application for a conservatory at The Chantry And The White House Spaniards End London NW3 7JG. Barnet has handled 345 applications of this type and approves 88% of them, typically deciding them in 42 days. This one was decided in 113 days, 10 weeks longer than Barnet's median. The site is in the Hampstead Garden Suburb conservation area, with 7 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 142 applications across GS22. We hold 2,488 applications in total for the NW3 postcode area.

Application Details

Reference

25/3496/LBC

Address

The Chantry And The White House Spaniards End London NW3 7JG

Postcode

NW3 7JG

Local Authority

Barnet

Application Type

All Other

Decision Status

Permitted

Applicant & Agent

Planning Application Dates

Date Decided

17 December 2025

Date Submitted

26 August 2025

Planning Decision

Publicity

Appeal

Additional Information

Coordinates

51.569817, -0.175368

Enriching application data

2/3

Council recordsAppealsFlood risk

Source: Barnet

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

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Associated applications

2026
23 Mar
Submission of details of condition 6 (Details - Mist System) pursuant to planning permission 25/3496/LBC
ApprovedDischarge of conditions26/1090/CON
2025
26 Aug
Amalgamation to recreate a single dwelling, together with refurbishment involving internal and external…
This applicationApprovedListed building consent25/3496/LBC

Planning history at this site

15 other applications at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

Conservation area: Hampstead Garden Suburb
Listed building: Grade II: Casa Maria the Chantry and White HouseOn or next to this site · +1 more
Article 4 direction: Article 4 for Hampstead Garden Suburb CA Area 2 Spaniards End+1 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.

© 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 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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