12a, Denison Close, Barnet, London, N2 0JT
About 12a
12a is a two-bedroom 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 C. 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.
It hasn't traded since April 2011, a hold of 15 years that's notably long for the area. 5 planning records sit against the property, 2 approved, 1 refused. Past consents include tree works, meaningful when judging how the property has evolved. Across 2007–2011, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £403,000 is 24% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£493/sq ft) was about 41.6% above the typical sold price in the postcode.
Know exactly what you're buying at 12a
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
What this property has
Inside
- Bedrooms2
- Dining roomYes
Outside
- Communal gardenYes
- ParkingAllocated
Building
- RefurbishedYes
Energy performance
12a'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This certificate is over 10 years old and is no longer valid.Expired 14 Nov 2020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 12a is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- Dec 2023Tree WorksTreesIn report
1 x Willow (applicants ref. T2) - Fell and treat stump with eco plugs (broadleaved).1 x Willow (applicants ref. T1) - Fell and treat stump with eco plugs (broadleaved).
- Documents
- 7 docs on file
- Reference
- TCP/0743/23
- Sept 2001
We flagged 2 things worth checking at 12a
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
30-day money-back guarantee
Sales history & valuation
12a valuation sits well clear of the typical sold price in this postcode.
£403,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 4 years.
£325,000
Growth on file: 7.6% per year over 4 years.
Sales timeline
19 April 2011Most recent
£325,000
+30.0%over 3 years24 September 2007
£250,000
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 12a, 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
£5,310
Street avg £5,496
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
N2 0PS
1 Denison Close, Barnet
N2 0JT
1 Cromwell Close, Barnet
N2 0LL
1 Cricket Row, Church Lane, Barnet
N2 0TD
1 Deansway, Barnet
N2 0NF
1 Cecilia Close, Barnet
N2 0UT
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