Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
Flat 11 17, Collison Avenue, Barnet, EN5 3BQ	05 Sep 2025	£442,500	74 m² 796 sqft	£5,979 £555	Flat
Flat 12 17, Collison Avenue, Barnet, EN5 3BQ -	22 May 2025	£445,000	68 m² 731 sqft	£6,544 £607	Flat
Flat 5 17, Collison Avenue, Barnet, EN5 3BQ	28 Mar 2025	£462,500	69 m² 742 sqft	£6,702 £622	Flat
3, Collison Avenue, Barnet, EN5 3BQ -	28 Feb 2025	£930,000	179 m² 1926 sqft	£5,195 £482	Semi-D
Flat 8 15, Collison Avenue, Barnet, EN5 3BQ	27 Aug 2024	£450,000	73 m² 785 sqft	£6,164 £572	Flat
Flat 3 15, Collison Avenue, Barnet, EN5 3BQ -	29 Jul 2024	£350,000	58 m² 624 sqft	£6,034 £560	Flat
Flat 10 13, Collison Avenue, Barnet, EN5 3BQ -	08 Sep 2023	£675,000	109 m² 1173 sqft	£6,192 £575	Flat
Flat 7 15, Collison Avenue, Barnet, EN5 3BQ -	07 Aug 2023	£370,000	58 m² 624 sqft	£6,379 £592	Flat
Flat 20 15, Collison Avenue, Barnet, EN5 3BQ -	31 Jan 2023	£495,000	80 m² 861 sqft	£6,187 £574	Flat
Flat 5 13, Collison Avenue, Barnet, EN5 3BQ -	07 Oct 2022	£565,000	89 m² 957 sqft	£6,348 £589	Flat
Flat 15 17, Collison Avenue, Barnet, EN5 3BQ -	23 Aug 2022	£367,500	61 m² 656 sqft	£6,024 £559	Flat
Flat 11 15, Collison Avenue, Barnet, EN5 3BQ -	17 Aug 2022	£372,500	58 m² 624 sqft	£6,422 £596	Flat
Flat 3 13, Collison Avenue, Barnet, EN5 3BQ -	29 Jul 2022	£560,000	84 m² 904 sqft	£6,666 £619	Flat
Flat 19 15, Collison Avenue, Barnet, EN5 3BQ -	07 Apr 2022	£570,000	89 m² 957 sqft	£6,404 £594	Flat
Flat 24 15, Collison Avenue, Barnet, EN5 3BQ -	09 Mar 2022	£640,000	113 m² 1216 sqft	£5,663 £526	Flat
Flat 14 15, Collison Avenue, Barnet, EN5 3BQ -	29 Nov 2021	£347,500	54 m² 581 sqft	£6,435 £597	Flat
Flat 21 15, Collison Avenue, Barnet, EN5 3BQ -	29 Oct 2021	£500,000	71 m² 764 sqft	£7,042 £654	Flat
Flat 22 15, Collison Avenue, Barnet, EN5 3BQ -	29 Jun 2021	£600,000	89 m² 957 sqft	£6,741 £626	Flat
Flat 15 15, Collison Avenue, Barnet, EN5 3BQ -	17 May 2021	£600,000	119 m² 1280 sqft	£5,042 £468	Flat
Flat 6 19, Collison Avenue, Barnet, EN5 3BQ	13 Sep 2019	£117,500	73 m² 785 sqft	£1,609 £149	Flat
Flat 5 19, Collison Avenue, Barnet, EN5 3BQ	13 Sep 2019	£141,000	78 m² 839 sqft	£1,807 £167	Flat
Flat 10 19, Collison Avenue, Barnet, EN5 3BQ	16 Aug 2019	£118,750	73 m² 785 sqft	£1,626 £151	Flat
Flat 3 17, Collison Avenue, Barnet, EN5 3BQ	01 Aug 2019	£235,000	74 m² 796 sqft	£3,175 £294	Flat
Flat 1 19, Collison Avenue, Barnet, EN5 3BQ	30 Jul 2019	£162,750	78 m² 839 sqft	£2,086 £193	Flat
11, Collison Avenue, Barnet, EN5 3BQ	28 Jun 2019	£970,000	179 m² 1926 sqft	£5,418 £503	Semi-D
9, Collison Avenue, Barnet, EN5 3BQ	30 Apr 2019	£941,000	179 m² 1926 sqft	£5,256 £488	Semi-D
7, Collison Avenue, Barnet, EN5 3BQ	24 Dec 2018	£945,000	169 m² 1819 sqft	£5,591 £519	Semi-D
Flat 9 17, Collison Avenue, Barnet, EN5 3BQ	18 Dec 2018	£475,000	69 m² 742 sqft	£6,884 £639	Flat
Flat 13 17, Collison Avenue, Barnet, EN5 3BQ	30 Nov 2018	£360,000	55 m² 592 sqft	£6,545 £608	Flat
Flat 6 17, Collison Avenue, Barnet, EN5 3BQ	30 Nov 2018	£485,000	76 m² 818 sqft	£6,381 £592	Flat
Flat 11 17, Collison Avenue	£442,500 Sep-2025	74 796	5,979 555
Flat 12 17, Collison Avenue -	£445,000 May-2025	68 731	6,544 607
Flat 5 17, Collison Avenue	£462,500 Mar-2025	69 742	6,702 622
3, Collison Avenue -	£930,000 Feb-2025	179 1926	5,195 482
Flat 8 15, Collison Avenue	£450,000 Aug-2024	73 785	6,164 572
Flat 3 15, Collison Avenue -	£350,000 Jul-2024	58 624	6,034 560
Flat 10 13, Collison Avenue -	£675,000 Sep-2023	109 1173	6,192 575
Flat 7 15, Collison Avenue -	£370,000 Aug-2023	58 624	6,379 592
Flat 20 15, Collison Avenue -	£495,000 Jan-2023	80 861	6,187 574
Flat 5 13, Collison Avenue -	£565,000 Oct-2022	89 957	6,348 589
Flat 15 17, Collison Avenue -	£367,500 Aug-2022	61 656	6,024 559
Flat 11 15, Collison Avenue -	£372,500 Aug-2022	58 624	6,422 596
Flat 3 13, Collison Avenue -	£560,000 Jul-2022	84 904	6,666 619
Flat 19 15, Collison Avenue -	£570,000 Apr-2022	89 957	6,404 594
Flat 24 15, Collison Avenue -	£640,000 Mar-2022	113 1216	5,663 526
Flat 14 15, Collison Avenue -	£347,500 Nov-2021	54 581	6,435 597
Flat 21 15, Collison Avenue -	£500,000 Oct-2021	71 764	7,042 654
Flat 22 15, Collison Avenue -	£600,000 Jun-2021	89 957	6,741 626
Flat 15 15, Collison Avenue -	£600,000 May-2021	119 1280	5,042 468
Flat 6 19, Collison Avenue	£117,500 Sep-2019	73 785	1,609 149
Flat 5 19, Collison Avenue	£141,000 Sep-2019	78 839	1,807 167
Flat 10 19, Collison Avenue	£118,750 Aug-2019	73 785	1,626 151
Flat 3 17, Collison Avenue	£235,000 Aug-2019	74 796	3,175 294
Flat 1 19, Collison Avenue	£162,750 Jul-2019	78 839	2,086 193
11, Collison Avenue	£970,000 Jun-2019	179 1926	5,418 503
9, Collison Avenue	£941,000 Apr-2019	179 1926	5,256 488
7, Collison Avenue	£945,000 Dec-2018	169 1819	5,591 519
Flat 9 17, Collison Avenue	£475,000 Dec-2018	69 742	6,884 639
Flat 13 17, Collison Avenue	£360,000 Nov-2018	55 592	6,545 608
Flat 6 17, Collison Avenue	£485,000 Nov-2018	76 818	6,381 592

The data above for Collison Avenue can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Collison Avenue, Barnet is £6,193 sqm (£575 per sq ft), this is from the selling price of the 15 most recent sales.
The majority of homes in High Barnet are now selling for between £5,600 and £6,980 per square metre (£520 and £648 per square foot) , find out more in this local analysis of EN5 3 (High Barnet) house prices.
There are roughly 59 homes on Collison Avenue, we would have expected about 8 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 15 property sales in Collison Avenue, averaging approximately 3 home sales per year .
The average size of all the properties on Collison Avenue is 86 m2 (925 sqft).