Over the past 30 years, there have been 78 property sales recorded in the BN42 4HN postcode area. The highest sale price reached £600,000, while the most recent sale was for a detached flat sold in February 2025 for £265,000.

The estimated average property value in BN42 4HN currently stands at £389,187, which is approximately 23.7% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £4,495.

Property prices in BN42 4HN have risen by 6.7% over the past year , with a total increase of 18.2% over the past five years, and a long-term rise of 52.4% over the past decade.

The most common type of property sold in the area is terraced, making up around 44% of transactions , followed by flat and semi-detached.

Housing in BN42 4HN is predominantly owner-occupied, with an estimated 69% of homes being lived in by the owners.

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Property Sales

1 - 3 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£697,695
streetscan.co.uk estimate
26 Jun 2002
£220,000

11 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£419,832
streetscan.co.uk estimate
21 Aug 1996
£56,500

15 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£415,315
streetscan.co.uk estimate
20 Jul 2005
£183,995

17 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Terraced
🛏️ 3bed
📐 760 sq ft
Today
£390,957
streetscan.co.uk estimate
29 Oct 2010
£207,000
10 Jan 1997
£57,300
More details

19 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Semi-detached
🛏️ 6bed
📐 809 sq ft
Today
£478,989
streetscan.co.uk estimate
29 Oct 2010
£249,000
28 Aug 2003
£160,000
More details

21 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Semi-detached
🛏️ 5bed
📐 947 sq ft
Today
£491,642
streetscan.co.uk estimate
10 Dec 2021
£445,000
22 Jan 2010
£230,000
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23 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Semi-detached
🛏️ 4bed
📐 883 sq ft
Today
£428,347
streetscan.co.uk estimate
17 Jan 2020
£345,000
23 Sep 2016
£305,000
View +1 more
More details

25 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Other
🛏️ 5bed
📐 936 sq ft
Today
£452,903
streetscan.co.uk estimate
25 Mar 2024
£432,000
27 Oct 2006
£232,500
More details

27 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 2bed
📐 570 sq ft
Today
£212,696
streetscan.co.uk estimate
26 Aug 2005
£125,000
More details

27A Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 4bed
📐 807 sq ft
Today
£285,318
streetscan.co.uk estimate
17 Aug 2023
£290,000
More details

29 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£197,440
streetscan.co.uk estimate
3 Apr 2020
£178,000
20 Dec 2013
£115,000
15 Dec 2010
£119,000
25 Jun 2009
£115,000
14 Feb 2003
£99,000

31 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Terraced
🛏️ 3bed
📐 840 sq ft
Today
£489,423
streetscan.co.uk estimate
20 May 2011
£250,000
3 Mar 2006
£193,000
More details

33 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Terraced
🛏️ 5bed
📐 797 sq ft
Today
£439,093
streetscan.co.uk estimate
10 Nov 2015
£304,950
28 Aug 1998
£71,950
View +1 more
More details

39 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Terraced
🛏️ 5bed
📐 1206 sq ft
Today
£625,533
streetscan.co.uk estimate
11 Sep 2020
£518,000
17 Oct 2016
£310,000
More details

41 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Terraced
🛏️ 4bed
📐 830 sq ft
Today
£473,897
streetscan.co.uk estimate
15 Jan 2021
£405,000
12 May 2015
£300,000
View +2 more
More details

First And Second Floor Flat, 47 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£300,252
streetscan.co.uk estimate
2 Dec 2020
£275,000
29 Jun 2012
£175,000

First Floor Flat, 47 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£185,331
streetscan.co.uk estimate
30 Nov 2011
£115,000

49 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Semi-detached
🛏️ 6bed
📐 1114 sq ft
Today
£571,839
streetscan.co.uk estimate
30 Nov 2018
£465,000
More details

5 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£405,644
streetscan.co.uk estimate
20 May 2005
£182,500
21 Sep 2000
£107,000

51 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£358,992
streetscan.co.uk estimate
15 Oct 2003
£140,000

55 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Terraced
🛏️ 5bed
📐 1259 sq ft
Today
£442,935
streetscan.co.uk estimate
9 Apr 2015
£295,000
More details

Ground Floor Flat, 57 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£235,147
streetscan.co.uk estimate
19 Jul 2001
£82,000

59 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£582,657
streetscan.co.uk estimate
11 Oct 2004
£265,000
21 May 2001
£145,000
12 Jan 1998
£89,000
13 Nov 1996
£80,000

61 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£403,779
streetscan.co.uk estimate
16 Oct 2001
£120,000

63 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£468,078
streetscan.co.uk estimate
8 Dec 1998
£87,000

65 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£525,598
streetscan.co.uk estimate
20 Jun 2008
£285,000
12 Apr 2002
£183,000

69 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Terraced
🛏️ 6bed
📐 1163 sq ft
Today
£517,344
streetscan.co.uk estimate
19 Jun 2022
£496,000
More details

71 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£466,260
streetscan.co.uk estimate
3 May 1996
£60,000

73 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Terraced
🛏️ 5bed
📐 1249 sq ft
Today
£473,919
streetscan.co.uk estimate
31 Oct 2016
£358,000
10 Nov 2014
£283,000
More details

77 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£514,497
streetscan.co.uk estimate
1 Sep 2005
£234,000
7 Feb 1997
£81,000

9 Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£422,349
streetscan.co.uk estimate
10 Feb 1998
£69,700
23 Aug 1995
£52,500
3 Jul 1995
£56,500

Hydrene, 45A Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

Today
£729,242
streetscan.co.uk estimate
22 Nov 2019
£600,000

Flat 1, Warren Court Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£220,776
streetscan.co.uk estimate
27 Feb 1995
£39,400
More details

Flat 2, Warren Court Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 4bed
📐 743 sq ft
Today
£266,092
streetscan.co.uk estimate
3 Feb 2025
£265,000
25 Jul 2018
£230,000
View +1 more
More details

Flat 3, Warren Court Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 3bed
📐 707 sq ft
Today
£206,218
streetscan.co.uk estimate
12 Apr 2011
£125,000
10 Jun 1999
£63,750
More details

Flat 4, Warren Court Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 3bed
📐 701 sq ft
Today
£255,859
streetscan.co.uk estimate
4 Dec 2015
£204,950
3 Jul 1998
£56,950
More details

Flat 5, Warren Court Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 3bed
📐 724 sq ft
Today
£223,202
streetscan.co.uk estimate
22 Nov 2011
£138,500
16 Aug 1996
£45,000
More details

Flat 6, Warren Court Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 3bed
📐 732 sq ft
Today
£247,338
streetscan.co.uk estimate
16 May 2002
£99,950
7 Apr 2000
£72,000
View +2 more
More details

Flat 7, Warren Court Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£205,018
streetscan.co.uk estimate
1 Jun 2012
£129,950
More details

Flat 9, Warren Court Underdown Road, Southwick, Brighton, Adur, West Sussex, BN42 4HN

🏠 Flat
🛏️ 3bed
📐 753 sq ft
Today
£255,087
streetscan.co.uk estimate
13 Aug 2007
£180,000
12 Apr 2001
£75,000
View +1 more
More details

Area Insights

Data Sources

Properties at BN42 4HN appear seventy-eight times in the Land Registry records, with the latest transaction recorded on 3 Feb 2025. It also has twenty-three Energy Performance Certificates (EPC) entries, the earliest dating back to 18 Nov 2010. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.