Flat 1, 19 Collison Avenue, Barnet, EN5 3BQ
About Flat 1
Flat 1 is a two-bedroom detached house in Barnet (EN5 3BQ). It has a recorded floor area of 78 m² (around 840 sq ft). The latest certificate (September 2018) returns a high B (score 91), putting the home a stone's throw from an A rating. At 78 m² this is the 19th smallest of 21 units on EPC record in the building, where floor areas span 71–78 m². The building's EPC ratings span B to A, with this unit at the bottom.
Today's modelled estimate of £255,000 sits 56.7% above the 2019 sale of £162,750. On a £-per-square-foot basis, the last sale (£194/sq ft) was about 66.8% below the postcode norm. Sold July 2019 for £162,750.
Know exactly what you're buying at Flat 1
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
Flat 1's carbon output is low for the local stock.
EPC Rating
Planning history
Flat 1 has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
Sales history & valuation
Flat 1 valuation runs notably under the typical sold price in this postcode.
£255,000
Modelled from EPC, postcode comparables.
£162,750
Recorded with HM Land Registry.
Sales timeline
29 July 2019Most recent
£162,750
Median price across the last 5 sales in EN5 3BQ: £445,000 (2025–2025).
Nearby sales in EN5 3BQ
Flat 2, 15 Collison Avenue, Barnet, EN5 3BQ
Sold Oct 2025
£320,000Flat 11, 17 Collison Avenue, Barnet, EN5 3BQ
Sold Sept 2025
£442,500Flat 12, 17 Collison Avenue, Barnet, EN5 3BQ
Sold May 2025
£445,000Flat 5, 17 Collison Avenue, Barnet, EN5 3BQ
Sold Mar 2025
£462,5003 Collison Avenue, Barnet, EN5 3BQ
Sold Feb 2025
£930,000
Everything we know about Flat 1, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Collison Avenue homes
On price per m², Flat 1 runs well behind the street norm.
Price per m²
£2,087
Street avg £5,969
Floor Area
78 m²
Street avg 76 m²
CO₂ Emissions
0.7 t/year
Street avg 0.8 t/year
Years Held
7 years
Street avg 6 years
Similar properties nearby
Flat 12, 17 Collison Avenue
EN5 3BQ
Flat 12, 15 Collison Avenue
EN5 3BQ
Flat 10, 17 Collison Avenue
EN5 3BQ
Flat 11, 17 Collison Avenue
EN5 3BQ
Flat 1, 11 Barnet Road
EN5 3HD
Flat 1, 13 Collison Avenue
EN5 3BQ
Flat 10, 11 Barnet Road
EN5 3HD
Flat 11, 15 Collison Avenue
EN5 3BQ
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Barnet Hospital A&E Department — bus stop.
Closest school
0.6 km
Whitings Hill Primary School. 15 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
50.2dB

Night-time· 23:00 – 07:00
40.7dB