Marlborough Gardens London Borough of Barnet N20 0SE
Additional storey at third and fourth floor levels to provide 4no self-contained flats. Associated additional parking and refuse and recycling storage
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Progress
Application details
- Reference
- 21/5873/PNV
- Local authority
- Barnet
- Postcode
- N20 0SE
- Ward
- OA
- Application type
- Prior Approval
- Property type
- Flat
Key dates
- Submitted
- 8 Nov 2021
- Validated
- 8 Nov 2021
- Comments close
- 30 Nov 2021
- Target decision
- 3 Jan 2022
- Decided
- 20 Dec 2021
Estimated project value
£81k–£270k
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: trade estimate.
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.
- 17 FRANKLIN CLOSE, LONDON, N20 9QGTerraced · £770,0003 months ago5 Jun 2026
- 81 LYNTON MEAD, LONDON, N20 8DHSemi-detached · £1,280,0003 months ago5 Jun 2026
- 33 QUAYLE CRESCENT, LONDON, N20 0BHTerraced · £1,070,0003 months ago5 Jun 2026
- 4 MILLSON CLOSE, LONDON, N20 0LQTerraced · £680,0003 months ago3 Jun 2026
- 54 RUSSELL LANE, LONDON, N20 0AETerraced · £570,0003 months ago1 Jun 2026
- 19 ST MARGARETS AVENUE, LONDON, N20 9LLSemi-detached · £965,0003 months ago15 May 2026
- FLAT 12, WALSINGHAM HOUSE, 1331 HIGH ROAD, LONDON, N20 9HRFlat or maisonette · Leasehold · £335,0003 months ago11 May 2026
- 39 BUCKINGHAM AVENUE, LONDON, N20 9DGSemi-detached · £1,275,0004 months ago8 May 2026
Homes here go for about £867,500 — the median of the last 8 market sales in N20 (the wider postcode district), £335,000 to £1,280,000.
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
- Marlborough Gardens London Borough of Barnet N20 0SERefusedNext door
- 10 Marlborough Gardens London Borough of Barnet N20 0SDPermittedNext door
- 1 Victor House Malborough Gardens Barnet N20 0SHRefusedAdjoining
- 6 Balfour Grove London Borough of Barnet N20 0SJRefusedAdjoining
- 8 Balfour Grove London Borough of Barnet N20 0SJPermittedAdjoining
- Rear of, 414 Oakleigh Road North Barnet N20PermittedAdjoining