Flat 1 94 Cromwell Avenue Hornsey London N6 5HQ
Proposal
Installation of a single storey orangery extension to the rear of the property
- Received
- 8 September 2026
- Council
- London Borough of Haringey
- Ward
- Highgate
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.
- ReceivedSubmitted8 Sep
- ValidatedValidated8 Sep
- Consult.Consultation
- TargetTarget Date
- DecidedDecided
This is a planning application for an extension at Flat 1 94 Cromwell Avenue Hornsey London N6 5HQ. Haringey has handled 6,036 applications of this type and approves 90% of them, typically deciding them in 56 days. It was submitted on 8 September 2026 and is still awaiting a decision. The site is in the Highgate conservation area, with 16 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 403 applications across Highgate. We hold 1,076 applications in total for the N6 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Haringey
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Highgate
- Listed building: Grade II: Wall to South East of Number 104 (Cromwell House) GroundsOn or next to this site
- Flood zone 1: Low probability (rivers and sea)
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage areas, Article 4 directions, 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 2026-10-09. 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.
Before the decision
You may need a heritage statement. Heritage & archaeology consultants near this site
A listed building is on or next to this site.
- 1.9 miLondonRTPI
- 2.4 miLondonRTPI
- 2.6 miLondonRTPI
Nearest first, within 25 miles of the site. Every firm is listed free.
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.