39 Thornhill Road, London, N1 1JS Data via plota.co.uk
Proposal
Erection of roof extension with dormer windows Data via plota.co.uk
Application progress
Refused on 6 Feb 2026 · Delegated · Last checked 7 Oct 2026
Site constraints 15
Show all 20 with distances
- 37 mNumber 45 and Attached RailingsGrade II
- 42 m27 and 28, Barnsbury SquareGrade II
- 61 m49, Thornhill RoadGrade II
- 65 mNumbers 62 to 82 (Even) and Attached Iron RailingsGrade II
- 83 mSt Andrew's VicarageGrade II
- 103 mMountford HouseGrade II
- 104 m51, Thornhill RoadGrade II
- 106 m35 and 37, Belitha VillasGrade II
- 108 mNumbers 31 and 33 and Attached RailingsGrade II
- 110 mNumbers 22 and 24 (Even) and Attached RailingsGrade II
- 113 m3 and 4, Mountfort CrescentGrade II
- 115 mNumbers 27 and 29 and Railings Attached to Number 27Grade II
- 123 mNumbers 18 and 20 and Attached RailingsGrade II
- 124 mWest LodgeGrade II
- 127 m8, Barnsbury ParkGrade II
- 128 m57, Brooksby StreetGrade II
- 129 m5 and 6, Mountfort CrescentGrade II
- 133 mNumbers 8-31 (Consecutive) and Attached RailingsGrade II
- 137 mNumbers 14 and 16 and Attached RailingsGrade II
- 142 mNumbers 41-53 (Odd) and Attached RailingsGrade II
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 1
Last sold for £4,496,670 in May 2024. Semi-detached 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 September 2024, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Islington
- Application type
- Full Planning (Householder)
- Postcode
- N1 1JS
- Received
- 15 Dec 2025
- Validated
- 15 Dec 2025
- Ward
- Barnsbury
- Case officer
- Show
- Target decision
- 8 Feb 2026
- Decision
- Refusal of permission
- Decision date
- 6 Feb 2026
- Decision level
- Delegated
- Appeal
- Dismissed · 17 Jun 2026 · Written Representations · Inspectorate case 6008997 ↗
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 53 days from validation, 4 days faster than Islington's median of 57 for householder applications. Refused, as 7% of householder applications here are.
Plota live figures for householder applications decided by Islington in the last twelve months, from validation. Islington decision record →
Consultation & key dates
- Alt. reference
- PP-14468376
- Comments by
- 31 Jan 2026
- Site or press notice
- 8 Jan 2026
- Statutory expiry
- 31 May 2026
Historical activity at this location
32 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Islington is slower than most councils at deciding householder applications, ranking #260 out of 296. 53% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (93%) 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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39 Thornhill Road, London, N1 1JS
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