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 7 Stonehurst Court, 91, Southdown Road, Harpenden, AL5 1PS -	04 Aug 2025	£445,000	75 m² 807 sqft	£5,933 £551	Flat
127, Southdown Road, Harpenden, AL5 1PU	30 Apr 2025	£234,000 B			Other
4a, Southdown Road, Harpenden, AL5 1PA	27 Mar 2025	£4,300,000 B			Other (1 bed)
33, Southdown Road, Harpenden, AL5 1PF -	31 Jan 2025	£1,825,000	217 m² 2335 sqft	£8,410 £781	Detached (4 bed)
54, Southdown Road, Harpenden, AL5 1PQ -	12 Sep 2024	£1,273,000	223 m² 2400 sqft	£5,708 £530	Semi-D (5 bed)
137, Southdown Road, Harpenden, AL5 1PU	29 May 2024	£6,500 B			Other
Flat 9 Stonehurst Court, 91, Southdown Road, Harpenden, AL5 1PS -	27 Oct 2023	£500,000	75 m² 807 sqft	£6,666 £619	Flat
43, Southdown Road, Harpenden, AL5 1PG -	04 Oct 2023	£1,465,000	196 m² 2109 sqft	£7,474 £694	Detached (4 bed)
130a, Southdown Road, Harpenden, AL5 1PU	16 Dec 2022	£1,550,000 B			Other
10, Southdown Road, Harpenden, AL5 1PD	25 Jun 2021	£715,000			Terrace
16, Southdown Road, Harpenden, AL5 1PD -	11 Jun 2021	£750,000	122 m² 1313 sqft	£6,147 £571	Semi-D (3 bed)
127a, Southdown Road, Harpenden, AL5 1PU -	09 Apr 2021	£185,000	27 m² 290 sqft	£6,851 £636	Flat (1 bed)
50, Southdown Road, Harpenden, AL5 1PQ -	30 Dec 2020	£925,000	187 m² 2012 sqft	£4,946 £459	Semi-D (4 bed)
30, Southdown Road, Harpenden, AL5 1PF -	28 Feb 2020	£1,050,000	151 m² 1625 sqft	£6,953 £645	Detached (4 bed)
46, Southdown Road, Harpenden, AL5 1PG -	30 Sep 2019	£1,380,000	153 m² 1646 sqft	£9,019 £837	Detached (4 bed)
11, Southdown Road, Harpenden, AL5 1PD	30 Sep 2019	£950,000			Terrace
45, Southdown Road, Harpenden, AL5 1PG -	14 Jun 2019	£1,600,000 B	241 m² 2594 sqft	£6,639 £616	Detached (4 bed)
Flat 14 Stonehurst Court, 91, Southdown Road, Harpenden, AL5 1PS -	01 Mar 2019	£510,000	78 m² 839 sqft	£6,538 £607	Flat
53, Southdown Road, Harpenden, AL5 1PQ -	04 Oct 2018	£1,045,000	141 m² 1517 sqft	£7,411 £688	Semi-D (4 bed)
34, Southdown Road, Harpenden, AL5 1PF -	06 Sep 2018	£925,000	134 m² 1442 sqft	£6,902 £641	Detached (4 bed)
Flat 11 Stonehurst Court, 91, Southdown Road, Harpenden, AL5 1PS -	23 Feb 2018	£500,000	109 m² 1173 sqft	£4,587 £426	Flat
31, Southdown Road, Harpenden, AL5 1PF -	27 Nov 2017	£965,000	157 m² 1689 sqft	£6,146 £570	Detached (4 bed)
Flat 8 Stonehurst Court, 91, Southdown Road, Harpenden, AL5 1PS -	29 Sep 2017	£435,000	74 m² 796 sqft	£5,878 £546	Flat
Flat 13 Stonehurst Court, 91, Southdown Road, Harpenden, AL5 1PS -	02 May 2017	£508,000	91 m² 979 sqft	£5,582 £518	Flat
Flat 10 Stonehurst Court, 91, Southdown Road, Harpenden, AL5 1PS	12 Apr 2017	£464,000	74 m² 796 sqft	£6,270 £582	Flat
Flat 12 Stonehurst Court, 91, Southdown Road, Harpenden, AL5 1PS	23 Feb 2017	£445,000	68 m² 731 sqft	£6,544 £607	Flat
135, Southdown Road, Harpenden, AL5 1PU	14 Sep 2016	£1,150 B			Other
44, Southdown Road, Harpenden, AL5 1PG -	18 Jan 2016	£1,200,000	171 m² 1840 sqft	£7,017 £651	Detached (4 bed)
57, Southdown Road, Harpenden, AL5 1PQ -	24 Oct 2014	£830,000	151 m² 1625 sqft	£5,496 £510	Detached (6 bed)
47, Southdown Road, Harpenden, AL5 1PQ -	19 Dec 2013	£960,000	201 m² 2163 sqft	£4,776 £443	Semi-D (5 bed)
Flat 7 Stonehurst Court, 91, Southdown Rd -	£445,000 Aug-2025	75 807	5,933 551
127, Southdown Rd	£234,000 B Apr-2025
4a, Southdown Rd	£4,300,000 B Mar-2025
33, Southdown Rd -	£1,825,000 Jan-2025	217 2335	8,410 781
54, Southdown Rd -	£1,273,000 Sep-2024	223 2400	5,708 530
137, Southdown Rd	£6,500 B May-2024
Flat 9 Stonehurst Court, 91, Southdown Rd -	£500,000 Oct-2023	75 807	6,666 619
43, Southdown Rd -	£1,465,000 Oct-2023	196 2109	7,474 694
130a, Southdown Rd	£1,550,000 B Dec-2022
10, Southdown Rd	£715,000 Jun-2021
16, Southdown Rd -	£750,000 Jun-2021	122 1313	6,147 571
127a, Southdown Rd -	£185,000 Apr-2021	27 290	6,851 636
50, Southdown Rd -	£925,000 Dec-2020	187 2012	4,946 459
30, Southdown Rd -	£1,050,000 Feb-2020	151 1625	6,953 645
46, Southdown Rd -	£1,380,000 Sep-2019	153 1646	9,019 837
11, Southdown Rd	£950,000 Sep-2019
45, Southdown Rd -	£1,600,000 B Jun-2019	241 2594	6,639 616
Flat 14 Stonehurst Court, 91, Southdown Rd -	£510,000 Mar-2019	78 839	6,538 607
53, Southdown Rd -	£1,045,000 Oct-2018	141 1517	7,411 688
34, Southdown Rd -	£925,000 Sep-2018	134 1442	6,902 641
Flat 11 Stonehurst Court, 91, Southdown Rd -	£500,000 Feb-2018	109 1173	4,587 426
31, Southdown Rd -	£965,000 Nov-2017	157 1689	6,146 570
Flat 8 Stonehurst Court, 91, Southdown Rd -	£435,000 Sep-2017	74 796	5,878 546
Flat 13 Stonehurst Court, 91, Southdown Rd -	£508,000 May-2017	91 979	5,582 518
Flat 10 Stonehurst Court, 91, Southdown Rd	£464,000 Apr-2017	74 796	6,270 582
Flat 12 Stonehurst Court, 91, Southdown Rd	£445,000 Feb-2017	68 731	6,544 607
135, Southdown Rd	£1,150 B Sep-2016
44, Southdown Rd -	£1,200,000 Jan-2016	171 1840	7,017 651
57, Southdown Rd -	£830,000 Oct-2014	151 1625	5,496 510
47, Southdown Rd -	£960,000 Dec-2013	201 2163	4,776 443

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

The average price per square metre (per square foot) in Southdown Road, Harpenden is £6,838 sqm (£635 per sq ft), this is from the Land Registry price paid of the 5 most recent sales.
The majority of homes in Harpenden are now selling for between £5,940 and £7,640 per square metre (£551 and £709 per square foot) , find out more in this local analysis of AL5 1 (Harpenden) house prices.
There are roughly 36 homes on Southdown Road, we would have expected approximately 5 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 5 property sales in Southdown Road, averaging about 1 home sales per year .
The average size of all the properties on Southdown Road is 151 m2 (1,625 sqft).