12 Denison Close, Barnet, London, N2 0JT
About 12 Denison Close
12 Denison Close is a property in Barnet, London, London (N2 0JT). It has a recorded floor area of 61 m² (around 659 sq ft), construction records dating it to 1930-1949 and council tax band D. At 61 m² this is the 14th smallest of 28 units on EPC record in the building, where floor areas span 43–70 m². The building's EPC ratings span E to B across 28 units on file. The latest certificate (November 2010) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 71). The latest certificate is from November 2010, so improvements made since then won't be reflected.
Held since October 1999 — that's 27 years off the open market, well above the local norm. Across 1997–1999, sale prices on this property compounded at 20.5% per year. Today's modelled estimate of £388,000 sits 191.7% above the 1999 sale of £133,000. On a £-per-square-foot basis, the last sale (£202/sq ft) was about 46.8% below the postcode norm. 2 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 12 Denison Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
12 Denison Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Nov 2020
EPC Rating
Planning history
Planning history at 12 Denison Close is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- Jun 2005Tree WorksIn report
3 x Red Plum - Lift Crowns to 2.5m all Round, Thin Canopy by 20%
- Reference
- C14186H/05/TRE_B
- Jun 2005Tree WorksIn report
3 x Red Plum - Lift Crowns to 2.5m all Round, Thin Canopy by 20%
- Reference
- C14186H/05/TRE
We flagged 2 things worth checking at 12 Denison Close
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
12 Denison Close's modelled value sits at over four times its earliest registered sale price (1997).
£388,000
Modelled from EPC, postcode comparables and a sale-price growth of 20.5% per year over 2 years.
£133,000
Growth on file: 20.5% per year over 2 years.
Sales timeline
28 October 1999Most recent
£133,000
+59.3%over 2 years1 May 1997
£83,500
Median price across the last 5 sales in N2 0JT: £440,000 (2025–2021).
Nearby sales in N2 0JT
35 Denison Close, Barnet, London, N2 0JT
Sold Sept 2025
£430,0006 Denison Close, Barnet, London, N2 0JT
Sold Oct 2024
£320,0007 Denison Close, Barnet, London, N2 0JT
Sold Jul 2024
£440,0004 Denison Close, Barnet, London, N2 0JT
Sold Dec 2021
£469,00024 Denison Close, Barnet, London, N2 0JT
Sold Jun 2021
£450,000
Everything we know about 12 Denison Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Denison Close homes
Price per m² for 12 Denison Close lags the street by a wide margin.
Price per m²
£2,173
Street avg £5,646
Floor Area
61 m²
Street avg 61 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.2 t/year
Street avg 2.8 t/year
Similar properties nearby
1 Cedar Drive, Barnet
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1 Denison Close, Barnet
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1 Cromwell Close, Barnet
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1 Cricket Row, Church Lane, Barnet
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1 Cecilia Close, Barnet
N2 0UT
1 Clare Close, Barnet
N2 0UY
1 Dunstan Close, Barnet
N2 0UX
1 Benedict Way, Barnet
N2 0UR
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ossulton Way — bus stop.
Closest school
0.3 km
Bishop Douglass School Finchley. 52 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.8dB

Night-time· 23:00 – 07:00
44.4dB