20 Glenthorne Road Barnet N11 3HT
Change of use from dwelling house (Class C3) to 2 self-contained flats. Single storey rear extension and roof extension involving 1No rear dormer and 2No front facing rooflights.
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Progress
Application details
- Reference
- B/03908/14
- Local authority
- Barnet
- Postcode
- N11 3HT
- Ward
- COPPETTS
- Application type
- All Other
- Property type
- Flat
Key dates
- Decided
- 5 Sept 2014
Estimated project value
£37k–£100k
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: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing.
- 18B GLENTHORNE ROAD, LONDON, N11 3HTFlat or maisonette · Leasehold · £350,0004 months ago8 May 2026
- 26 GLENTHORNE ROAD, LONDON, N11 3HTFlat or maisonette · Leasehold · £230,0004 years ago5 Aug 2022
- 22A GLENTHORNE ROAD, LONDON, N11 3HTFlat or maisonette · Leasehold · £387,0004 years ago15 Jul 2022
- 14 GLENTHORNE ROAD, LONDON, N11 3HTTerraced · £790,0005 years ago12 Apr 2021
- 22A GLENTHORNE ROAD, LONDON, N11 3HTFlat or maisonette · Leasehold · Not a standard market sale · £275,0006 years ago11 Aug 2020
- 6 GLENTHORNE ROAD, LONDON, N11 3HTTerraced · £565,0007 years ago18 Jul 2019
- 16 GLENTHORNE ROAD, LONDON, N11 3HTTerraced · £540,00011 years ago23 Jan 2015
- 18B GLENTHORNE ROAD, LONDON, N11 3HTFlat or maisonette · Leasehold · £360,00011 years ago30 Sept 2014
Homes here go for about £387,000 — the median of the last 7 market sales in N11 3HT, £230,000 to £790,000.
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
- 20 Glenthorne Road London Borough of Barnet N11 3HTRefusedNext door
- 20 Glenthorne Road London Borough of Barnet N11 3HTPermittedNext door
- 28 Glenthorne Road Barnet N11 3HTPermittedAdjoining
- 10 Glenthorne Road London Borough of Barnet N11 3HTPendingAdjoining
- 10 Glenthorne Road London Borough of Barnet N11 3HTPermittedAdjoining
- Glenthorne Road Barnet N11 3HTPermittedAdjoining