18 Elm Grove Hornsey London N8 9AJ Data via plota.co.uk
Proposal
Erection of single storey extension which extends beyond the rear wall of the original house by 5.9m, for which the maximum height would be 3.1m and for which the height of the eaves would be 3m Data via plota.co.uk
Application progress
Approved on 22 Sept 2025 · Delegated Decision · Last checked 14 Oct 2026
Documents 6
Decision & officer reports 2
Site constraints 5
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 2
Last sold for £1,700,000 in January 2025. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in June 2024, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
How this decision compares
Decided in 42 days from validation, 42 days slower than Haringey's median of 0 for prior approvals. Approved, as 100% of prior approvals here are.
Plota live figures for prior approvals decided by Haringey in the last twelve months, from validation. Haringey decision record →
Public comments
No public comments yet.
Last counted 14 Oct 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Haringey is slower than most councils at deciding householder applications, ranking #209 out of 296. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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18 Elm Grove Hornsey London N8 9AJ
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