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Get started20a is a two-bedroom property in Barnet, London, London (N20 9JU). It has council tax band G. Our model identifies extension potential, subject to local planning policy.
Held since March 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced London HPI: 15.9% per year against 0% for the wider region. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
20a has been extended on multiple sides of the property across separate planning applications.
Extension: Side and rear of property
Single storey side and rear extensions. Raised ground level at rear.
Sale price has grown by over 3x since 1999.
£920,000
Growth on file: 15.9% per year over 8 years.
6 March 2007Most recent
£920,000
+214.0%over 7 yearsRail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Myddelton Park Oakleigh Park — bus stop.

Daytime· 07:00 – 23:00
51.8dB

Extension: Single storey · Side of property
Erection of single storey side extension.
1 June 1999
£293,000
Median price across the last 5 sales in N20 9JU: £575,000 (2025–2024).
Alisa Lodge Flat 5 4 Oakleigh Park South Barnet London
Sold Nov 2025
Sunside Court Flat 4 6 Oakleigh Park South Barnet London
Sold Mar 2025
Sunside Court Flat 2 6 Oakleigh Park South Barnet London
Sold Jul 2024
Sunside Court Flat 3 6 Oakleigh Park South Barnet London
Sold Jul 2024
Sunside Court Flat 5 6 Oakleigh Park South Barnet London
Sold Jun 2024
N20 9BX
Closest school
0.1 km
Sacred Heart Roman Catholic Primary School. 49 schools nearby.
Night-time· 23:00 – 07:00
41.3dB
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