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
27, Barns Dene, Harpenden, AL5 2HH	12 Sep 2025	£1,175,000	114 m² 1227 sqft	£10,307 £957	Detached (4 bed)
6, Barns Dene, Harpenden, AL5 2HQ -	10 May 2024	£1,260,000	167 m² 1797 sqft	£7,544 £700	Detached (4 bed)
22, Barns Dene, Harpenden, AL5 2HQ -	15 Feb 2024	£1,810,001	201 m² 2163 sqft	£9,004 £836	Detached (4 bed)
3, Barns Dene, Harpenden, AL5 2HH -	10 Nov 2023	£1,450,000	186 m² 2002 sqft	£7,795 £724	Detached (4 bed)
8, Barns Dene, Harpenden, AL5 2HQ -	24 Aug 2023	£1,515,000	141 m² 1517 sqft	£10,744 £998	Detached (4 bed)
9, Barns Dene, Harpenden, AL5 2HH -	16 Feb 2023	£1,425,000	151 m² 1625 sqft	£9,437 £876	Detached (4 bed)
14, Barns Dene, Harpenden, AL5 2HQ -	11 Apr 2022	£1,465,000	157 m² 1689 sqft	£9,331 £866	Detached (4 bed)
12, Barns Dene, Harpenden, AL5 2HQ -	26 Oct 2021	£1,490,000	207 m² 2228 sqft	£7,198 £668	Detached (5 bed)
29, Barns Dene, Harpenden, AL5 2HH -	10 Jun 2021	£1,525,000	228 m² 2454 sqft	£6,688 £621	Detached (4 bed)
16, Barns Dene, Harpenden, AL5 2HQ -	22 Jan 2021	£1,220,000	151 m² 1625 sqft	£8,079 £750	Detached (4 bed)
23, Barns Dene, Harpenden, AL5 2HH -	31 Jan 2018	£1,975,000	403 m² 4337 sqft	£4,900 £455	Detached (4 bed)
35, Barns Dene, Harpenden, AL5 2HH -	08 Nov 2017	£1,100,000	159 m² 1711 sqft	£6,918 £642	Detached (4 bed)
4, Barns Dene, Harpenden, AL5 2HQ -	14 Sep 2017	£1,190,700	198 m² 2131 sqft	£6,013 £558	Detached (4 bed)
30, Barns Dene, Harpenden, AL5 2HQ -	23 Jan 2017	£1,205,000	141 m² 1517 sqft	£8,546 £793	Detached (4 bed)
2, Barns Dene, Harpenden, AL5 2HQ	28 Oct 2016	£1,080,000	128 m² 1377 sqft	£8,437 £783	Detached (4 bed)
21, Barns Dene, Harpenden, AL5 2HH -	17 Aug 2016	£1,375,000	215 m² 2314 sqft	£6,395 £594	Detached (4 bed)
24, Barns Dene, Harpenden, AL5 2HQ -	07 Jul 2015	£1,000,000	144 m² 1550 sqft	£6,944 £645	Detached (4 bed)
26, Barns Dene, Harpenden, AL5 2HQ -	22 May 2015	£920,000	135 m² 1453 sqft	£6,814 £633	Detached (4 bed)
39, Barns Dene, Harpenden, AL5 2HH -	03 Dec 2014	£1,365,000	208 m² 2238 sqft	£6,562 £609	Detached (5 bed)
33, Barns Dene, Harpenden, AL5 2HH	12 Oct 2012	£985,000	201 m² 2163 sqft	£4,900 £455	Detached (5 bed)
10, Barns Dene, Harpenden, AL5 2HQ -	24 Aug 2011	£810,502	125 m² 1345 sqft	£6,484 £602	Detached (5 bed)
18, Barns Dene, Harpenden, AL5 2HQ	02 Aug 2007	£900,000			Detached (5 bed)
25, Barns Dene, Harpenden, AL5 2HH	02 Nov 2005	£575,000			Detached (4 bed)
37, Barns Dene, Harpenden, AL5 2HH	08 Aug 2003	£627,500			Detached (4 bed)
34, Barns Dene, Harpenden, AL5 2HQ	16 Jul 1998	£370,000			Detached (5 bed)
20, Barns Dene, Harpenden, AL5 2HQ	19 Jun 1998	£304,000			Detached (4 bed)
31, Barns Dene, Harpenden, AL5 2HH	01 Dec 1995	£202,000			Detached (4 bed)
27, Barns Dene	£1,175,000 Sep-2025	114 1227	10,307 957
6, Barns Dene -	£1,260,000 May-2024	167 1797	7,544 700
22, Barns Dene -	£1,810,001 Feb-2024	201 2163	9,004 836
3, Barns Dene -	£1,450,000 Nov-2023	186 2002	7,795 724
8, Barns Dene -	£1,515,000 Aug-2023	141 1517	10,744 998
9, Barns Dene -	£1,425,000 Feb-2023	151 1625	9,437 876
14, Barns Dene -	£1,465,000 Apr-2022	157 1689	9,331 866
12, Barns Dene -	£1,490,000 Oct-2021	207 2228	7,198 668
29, Barns Dene -	£1,525,000 Jun-2021	228 2454	6,688 621
16, Barns Dene -	£1,220,000 Jan-2021	151 1625	8,079 750
23, Barns Dene -	£1,975,000 Jan-2018	403 4337	4,900 455
35, Barns Dene -	£1,100,000 Nov-2017	159 1711	6,918 642
4, Barns Dene -	£1,190,700 Sep-2017	198 2131	6,013 558
30, Barns Dene -	£1,205,000 Jan-2017	141 1517	8,546 793
2, Barns Dene	£1,080,000 Oct-2016	128 1377	8,437 783
21, Barns Dene -	£1,375,000 Aug-2016	215 2314	6,395 594
24, Barns Dene -	£1,000,000 Jul-2015	144 1550	6,944 645
26, Barns Dene -	£920,000 May-2015	135 1453	6,814 633
39, Barns Dene -	£1,365,000 Dec-2014	208 2238	6,562 609
33, Barns Dene	£985,000 Oct-2012	201 2163	4,900 455
10, Barns Dene -	£810,502 Aug-2011	125 1345	6,484 602
18, Barns Dene	£900,000 Aug-2007
25, Barns Dene	£575,000 Nov-2005
37, Barns Dene	£627,500 Aug-2003
34, Barns Dene	£370,000 Jul-1998
20, Barns Dene	£304,000 Jun-1998
31, Barns Dene	£202,000 Dec-1995

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

The average price per square metre (per square foot) in Barns Dene, Harpenden is £9,166 sqm (£851 per sq ft), this is from the price paid of the 7 most recent sales.
The majority of homes in Harpenden are now selling for between £6,970 and £9,430 per square metre (£647 and £876 per square foot) , find out more in this local analysis of AL5 2 (Harpenden) house prices.
There are roughly 27 homes on Barns Dene, we would have expected about 3 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 7 property sales in Barns Dene, averaging about 1 home sales per year .
The average size of all the properties on Barns Dene is 185 m2 (1,991 sqft).