39 Coldfall Avenue Hornsey London N10 1HS Data via plota.co.uk
Proposal
Certificate of Lawfulness (Proposed): Construction of a single-storey rear infill extension; formation of a rear roof dormer in connection with the conversion of the existing loft to habitable accommodation; installation of rooflights to the front roof slope; installation of associated windows and doors; internal alterations; and all associated building works. Data via plota.co.uk
Application progress
Approved on 21 Sept 2026 · Delegated Decision · Last checked 22 Sept 2026
Documents 7
Decision & officer reports 2
Plans & drawings 2
Site constraints 6
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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.
Building
From the energy performance certificate lodged in December 2025, 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 56 days from validation, 5 days slower than Haringey's median of 51 for lawful development certificates. Approved, as 84% of lawful development certificates here are.
Plota live figures for lawful development certificates decided across the UK in the last twelve months, from validation; too few recent lawful development certificates in Haringey to go on. Haringey decision record →
Public comments
No public comments yet.
Last counted 22 Sept 2026
Historical activity at this location
19 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%).
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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39 Coldfall Avenue Hornsey London N10 1HS
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