27 Thornhill Road Islington N1 1JR
Demolition of the entrance porch in connection with the conversion into 1 x 1b basement flat and 1 x 4b upper maisonette and the erection of a 3 storey side extension
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 831268
- Local authority
- Islington
- Postcode
- N1 1JR
- Ward
- 39
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 4 Aug 1983
- Validated
- 4 Aug 1983
- Decided
- 28 Feb 1984
Estimated project value
£34k–£81k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026 extension rates.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.
- FLAT C, 21 THORNHILL ROAD, LONDON, N1 1JRFlat or maisonette · Leasehold · £450,0008 months ago12 Feb 2026
- FLAT C, 21 THORNHILL ROAD, LONDON, N1 1JRFlat or maisonette · Leasehold · £338,00010 months ago17 Dec 2025
- 19A THORNHILL ROAD, LONDON, N1 1JRFlat or maisonette · Leasehold · £1,065,00016 months ago12 Jun 2025
- FLAT A, 21 THORNHILL ROAD, LONDON, N1 1JRFlat or maisonette · Leasehold · £455,00017 months ago19 May 2025
- 29 THORNHILL ROAD, LONDON, N1 1JRDetached · £2,200,0003 years ago31 May 2023
- 19A THORNHILL ROAD, LONDON, N1 1JRFlat or maisonette · Leasehold · £800,0006 years ago17 Jan 2020
- 19A THORNHILL ROAD, LONDON, N1 1JRFlat or maisonette · Leasehold · £840,0007 years ago9 Jul 2019
- 31 THORNHILL ROAD, LONDON, N1 1JRTerraced · £2,309,00010 years ago29 Feb 2016
Homes here go for about £820,000 — the median of the last 8 market sales in N1 1JR, £338,000 to £2,309,000.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
Nearby applications
- 27 Thornhill Road Islington N1 1JRWithdrawnNext door
- 27 Thornhill Road Islington N1 1JRPendingNext door
- 29 Thornhill Road Islington N1 1JRPendingNext door
- 27 Thornhill Road Islington N1 1JRRefusedNext door
- 27 Thornhill Road Islington N1 1JRPermittedNext door
- 27 Thornhill Road Islington N1 1JRPermittedNext door