Areas / SO21 / street profile

Blackthorn Close, SO21

Sold prices, £/m² and street profile from HM Land Registry records.

Median sold price
£204,500
all recorded sales
£ per m²
£5,301
from EPC floor areas
Recorded sales
65
Distinct homes
26
Price range
£108,500 – £399,950
Sales recorded
2000 → 2025
first to latest sale
The street in brief

Blackthorn Close is a mix of terraced houses and semi-detached houses. The median sale price is £204,500, about 61% below the typical SO21 sale. Per square metre of floor space it comes to about £5,301, above the district's £4,272. Too few recent sales to read a street-level trend, but across SO21 prices have been easing over the last few years. HM Land Registry records 65 sales across 26 homes since 2000.

Buying on Blackthorn Close?

Get the full £5 report on the exact home — valuation vs its own sale history, EPC & running costs, flood/mining risk, planning, schools and more.

Blackthorn Close prices over time

Median sold price on the street by year, from 65 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.

This street — yearly medianSO21 district trend
£0£200k£400k£600k£800k2000200520102015202020252000: £108,500 median · 1 sale2001: £120,000 median · 1 sale2002: £169,000 median · 3 sales2003: £177,500 median · 2 sales2004: £173,248 median · 6 sales2005: £182,000 median · 3 sales2006: £196,975 median · 8 sales2007: £205,750 median · 4 sales2008: £187,000 median · 1 sale2009: £172,500 median · 6 sales2012: £202,250 median · 4 sales2013: £208,844 median · 2 sales2014: £221,000 median · 2 sales2015: £280,500 median · 2 sales2016: £285,000 median · 1 sale2018: £292,000 median · 5 sales2019: £292,500 median · 2 sales2020: £317,500 median · 1 sale2021: £307,500 median · 3 sales2022: £320,000 median · 3 sales2023: £360,500 median · 3 sales2025: £324,975 median · 2 sales

Median sold price by year vs the SO21 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.

How Blackthorn Close compares

Blackthorn Close against the SO21 district's busiest streets, the district itself, and the official UK House Price Index for the wider area.

Southdown Road£1.25M · 25
High Street£654k · 22
Church Lane£645k · 23
Main Road£644k · 94
Downs Road£600k · 51
Roberts Road£389k · 24
Sandyfields Lane£355k · 45
Badgers Bolt£348k · 56
Mill Place£328k · 22
Blackthorn Close£308k · 17

Median sold price and sale count over the last 8years for the district's busiest streets.

This street
£204,500
median · all recorded sales
SO21 district
£520,000
median · last 8 years · street -61%
England
£291,445
average price (UK House Price Index), Apr 2026 · +3.9% in 12 months

Blackthorn Close's £204,500 median sits about 61% below SO21's £520,000; on floor space it runs £5,301/m² against the district's £4,272/m² (+24%).

Street and SO21 figures are medians of HM Land Registry sales; the England figures are the UK House Price Index mix-adjusted average — a different basis, so compare direction rather than levels between the two.

Prices by property type

Median sold price by property type on Blackthorn Close.

Terraced
£191,500
38 sales
Semi-detached
£216,000
24 sales
Detached
£235,000
3 sales

Every recorded sale on Blackthorn Close

Individual transactions as recorded by HM Land Registry, newest first.

DateAddressTypeNew buildPrice
4 Aug 202540 · SO21 3BUDetached—£399,950
10 Jan 202534 · SO21 3BUTerraced—£250,000
14 Dec 202328 · SO21 3BUTerraced—£360,500
15 Sept 20235 · SO21 3BUTerraced—£277,000
30 Aug 202318 · SO21 3BUSemi-detached—£375,000
25 Nov 202231 · SO21 3BUTerraced—£320,000
13 May 202225 · SO21 3BUTerraced—£235,500
24 Mar 202228 · SO21 3BUTerraced—£350,000
27 Sept 202120 · SO21 3BUSemi-detached—£307,000
31 Aug 202130 · SO21 3BUTerraced—£307,500
29 Jan 202118 · SO21 3BUSemi-detached—£312,500
7 Apr 20204 · SO21 3BUSemi-detached—£317,500
1 Aug 201930 · SO21 3BUTerraced—£290,000
23 May 201917 · SO21 3BUSemi-detached—£295,000
22 Feb 201917 · SO21 3BUnon-standardSemi-detached—£317,500
10 Dec 20185 · SO21 3BUTerraced—£239,000
22 Aug 20189 · SO21 3BUTerraced—£290,000
17 Jul 20183 · SO21 3BUSemi-detached—£320,000
20 Apr 201829 · SO21 3BUSemi-detached—£356,000
20 Apr 201832 · SO21 3BUTerraced—£292,000
30 Sept 201610 · SO21 3BUSemi-detached—£285,000
17 Jul 201535 · SO21 3BUTerraced—£286,000
30 Jun 20154 · SO21 3BUSemi-detached—£275,000
22 Dec 20145 · SO21 3BUTerraced—£200,000
24 Jan 201418 · SO21 3BUSemi-detached—£242,000
22 Nov 20136 · SO21 3BUTerraced—£186,187
22 Jul 201328 · SO21 3BUTerraced—£231,500
25 May 20125 · SO21 3BUTerraced—£155,000
23 Mar 20126 · SO21 3BUTerraced—£200,000
24 Feb 201220 · SO21 3BUSemi-detached—£204,500
6 Jan 201216 · SO21 3BUSemi-detached—£230,000
18 Dec 20095 · SO21 3BUSemi-detached—£155,000
30 Oct 200932 · SO21 3BUTerraced—£165,000
7 Aug 20099 · SO21 3BUTerraced—£185,000
29 May 200928 · SO21 3BUTerraced—£180,000
21 May 200923 · SO21 3BUTerraced—£161,500
18 May 20093 · SO21 3BUSemi-detached—£210,000
17 Oct 20086 · SO21 3BUTerraced—£187,000
31 Jul 200736 · SO21 3BUTerraced—£190,000
31 Jul 200733 · SO21 3BUTerraced—£240,000
27 Apr 200735 · SO21 3BUTerraced—£202,500
5 Feb 200718 · SO21 3BUSemi-detached—£209,000
15 Dec 200631 · SO21 3BUTerraced—£199,950
12 Dec 200616 · SO21 3BUSemi-detachedYes£206,000
21 Sept 200628 · SO21 3BUSemi-detached—£212,000
11 Sept 200617 · SO21 3BUSemi-detached—£194,000
8 Sept 20067 · SO21 3BUTerraced—£190,000
2 Aug 20066 · SO21 3BUTerraced—£193,000
10 Mar 20065 · SO21 3BUSemi-detached—£160,000
1 Feb 200640 · SO21 3BUDetached—£235,000

Sales marked non-standardare Land Registry “additional price paid” entries — bulk purchases, repossessions, right-to-buy and similar transfers. They're listed for completeness but excluded from every median and comparison figure on this page.

Buying on Blackthorn Close?

Get the full £5 report on the exact home — valuation vs its own sale history, EPC & running costs, flood/mining risk, planning, schools and more.

More streets in SO21

Sold-price profiles for nearby streets, and the wider SO21 area guide.

Main RoadDowns RoadRoberts RoadChurch LanePennington CloseSpring LaneSouthdown RoadMill PlacePark LaneNew RoadOxford RoadHigh Street
SO21 house prices & area guide →

Contains HM Land Registry data © Crown copyright and database right 2026, including the UK House Price Index. EPC data © Crown copyright. Licensed under the Open Government Licence v3.0. Figures summarise recorded sales on the street and are not a valuation of any individual home.