12 Marlborough Avenue London Borough of Barnet N14 7LE
Single storey ground floor rear extension, including, 1no. skylight. Two storey side extension with associated alterations to roof and creation of steps and door to side. Demolition of existing garage and storage. Erection of new relocated garage, including 2no. doors to side elevations and front garage door (amended description)
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Progress
Application details
- Reference
- 19/6104/HSE
- Local authority
- Barnet
- Postcode
- N14 7LE
- Ward
- BP
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 19 Nov 2019
- Validated
- 19 Nov 2019
- Target decision
- 14 Jan 2020
- Decided
- 28 Jan 2020
Estimated project value
£75k–£175k
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: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 11 MARLBOROUGH AVENUE, LONDON, N14 7LESemi-detached · £625,0002 years ago30 Oct 2023
- 5 MARLBOROUGH AVENUE, LONDON, N14 7LESemi-detached · Not a standard market sale · £620,0006 years ago18 Oct 2019
- 1 MARLBOROUGH AVENUE, LONDON, N14 7LESemi-detached · £775,00010 years ago20 Jul 2016
- 9 MARLBOROUGH AVENUE, LONDON, N14 7LESemi-detached · £535,00011 years ago2 Jul 2015
- 9 MARLBOROUGH AVENUE, LONDON, N14 7LETerraced · £280,00021 years ago27 Apr 2005
- 1 MARLBOROUGH AVENUE, LONDON, N14 7LESemi-detached · £407,50022 years ago21 Jun 2004
- 10 MARLBOROUGH AVENUE, LONDON, N14 7LESemi-detached · £275,00025 years ago25 Jul 2001
- 6 MARLBOROUGH AVENUE, LONDON, N14 7LESemi-detached · £160,00027 years ago2 Jul 1999
Homes here go for about £407,500 — the median of the last 7 market sales in N14 7LE, £160,000 to £775,000.
Contains HM Land Registry data © Crown copyright and database right 2023. 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
- 11 Marlborough Avenue London Borough of Barnet N14 7LEPermittedNext door
- 11 Marlborough Avenue London Borough of Barnet N14 7LEPermittedNext door
- 12 Marlborough Avenue London Borough of Barnet N14 7LERefusedNext door
- 12 Marlborough Avenue London Borough of Barnet N14 7LEPermittedNext door
- 11 Marlborough Avenue London Borough of Barnet N14 7LEPermittedNext door
- Marlborough Avenue Barnet N14 7LEWithdrawnNext door