Sabie House 121 Marsh Lane London NW7 4LG

25/1292/PNUPrior Notification (Upward Ex house)Refused

Outline / PiP

Refused on 8 May 2025

Council decision: Prior Approval Required and RefusedDelegated (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

Additional storey at first floor level

Received: 26 March 2025
Decision level: Delegated (officer decision)
Council: London Borough of Barnet
Ward: Edgwarebury
Agent: DP Architects

ReceivedReceived26 Mar
ValidatedValidated27 Mar
Consult.Consultation25 Apr
TargetTarget Date22 May
DecidedDecided8 May

Decided in 42 days (council typically 56)

About this application

This is an outline application at Sabie House 121 Marsh Lane London NW7 4LG. Barnet has handled 2,167 applications of this type. This one was decided in 43 days, 13 days quicker than Barnet's typical decision time. There have been 3 other applications at this address. In the past year there have been 50 applications across Edgwarebury. We hold 1,045 applications in total for the NW7 postcode area.

75% of outline 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: NW7 4LG
Application type: Prior Notification (Upward Ex house)
Scale / size: Small

Planning application dates

Date validated: 27 March 2025
Consultation expiry: 25 April 2025
Neighbour consultation start: 28 March 2025
Neighbour consultation end: 25 April 2025
Target decision date: 22 May 2025

Applicant and agent

Agent: DP Architects
Agent address: The Old Brewery Tap 3 Shirburn St Watlington OX49 5BU

Planning decision

Statutory period: 56 days

Additional information

Planning Portal ID: PP-13890164
Comments: 0
Documents: 13

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Article 4 direction: Article 4 Small Houses in Multiple Occupation (HMO) Area 1
Tree Preservation Order: Ref TRE/HE/42.1Part of the site · +2 more
Green belt: Barnet
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (21)

flood storage areas, conservation areas, listed buildings, 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.

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

2025
26 Mar
2no. single storey side/rear extensions with a depth of 8m, maximum height of 2.99m and eaves height of…
RefusedHouseholderFiled alongside25/1291/PNH
2025
26 Mar
Additional storey at first floor level
This applicationRefusedOutline25/1292/PNU

Planning history at this site

7 other applications at this property, newest first.

Source: Barnet

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

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