Over the past 31 years, there have been 61 property sales recorded in the CF83 8FX postcode area. The highest sale price reached £255,000, while the most recent sale was for a detached bungalow sold in November 2025 for £255,000.

The estimated average property value in CF83 8FX currently stands at £172,417, which is approximately 38.6% 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 £2,188.

Property prices in CF83 8FX have risen by 8.2% over the past year , with a total increase of 42.2% over the past five years , and a long-term rise of 67.3% over the past decade .

The most common type of property sold in the area is terraced, making up around 89% of transactions , followed by detached.

Housing in CF83 8FX is predominantly owner-occupied, with an estimated 84% of homes being lived in by the owners.

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Property Sales

51 William Street, Trethomas, Caerphilly, CF83 8FX

Today
£311,899
streetscan.co.uk estimate
23 Mar 2007
£177,000

52 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 4bed
📐 1001 sq ft
Today
£218,353
streetscan.co.uk estimate
12 Mar 2020
£147,000
14 Dec 2016
£139,950
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53 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Detached
🛏️ 5bed
📐 872 sq ft
Today
£257,942
streetscan.co.uk estimate
12 Nov 2025
£255,000
15 Feb 2005
£173,000
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55 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Detached
🛏️ 4bed
📐 872 sq ft
Today
£256,433
streetscan.co.uk estimate
17 Jun 2021
£205,000
29 Sep 2016
£175,500
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56 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 4bed
📐 1098 sq ft
Today
£166,843
streetscan.co.uk estimate
18 Jul 2025
£162,000
21 Feb 2003
£64,950
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58 William Street, Trethomas, Caerphilly, CF83 8FX

Today
£187,551
streetscan.co.uk estimate
29 Aug 2008
£108,000
25 Jul 2003
£69,000
31 Oct 1996
£30,000
8 Dec 1995
£7,500

60 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 4bed
📐 829 sq ft
Today
£164,924
streetscan.co.uk estimate
13 Dec 2017
£103,000
1 Mar 2002
£35,000
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62 William Street, Trethomas, Caerphilly, CF83 8FX

Today
£48,738
streetscan.co.uk estimate
11 Jan 2002
£11,500

66 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 4bed
📐 883 sq ft
Today
£169,861
streetscan.co.uk estimate
5 Dec 2022
£160,000
6 Jul 2018
£129,950
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70 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 4bed
📐 753 sq ft
Today
£146,703
streetscan.co.uk estimate
21 Jan 2022
£125,000
29 Jul 2021
£125,000
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72 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 4bed
📐 893 sq ft
Today
£164,783
streetscan.co.uk estimate
18 Jul 2025
£160,000
4 Apr 2012
£87,500
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78 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 5bed
📐 1206 sq ft
Today
£189,616
streetscan.co.uk estimate
25 Nov 2024
£185,000
13 May 2021
£123,000
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84 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 3bed
📐 904 sq ft
Today
£180,231
streetscan.co.uk estimate
25 Jul 2025
£175,000
13 Dec 2019
£128,000
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86 William Street, Trethomas, Caerphilly, CF83 8FX

Today
£183,403
streetscan.co.uk estimate
6 Oct 2006
£107,500
10 Mar 2005
£67,000
18 Dec 2001
£37,000

90 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 5bed
📐 904 sq ft
Today
£167,350
streetscan.co.uk estimate
1 Feb 2019
£110,000
7 Jan 2004
£80,000
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92 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 4bed
📐 829 sq ft
Today
£171,271
streetscan.co.uk estimate
5 Nov 2021
£140,000
27 Jan 2015
£90,500
More details

94 William Street, Trethomas, Caerphilly, CF83 8FX

🏠 Terraced
🛏️ 5bed
📐 990 sq ft
Today
£208,432
streetscan.co.uk estimate
26 May 2016
£121,000
7 Feb 2014
£113,500
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96 William Street, Trethomas, Caerphilly, CF83 8FX

Today
£194,492
streetscan.co.uk estimate
28 Feb 2003
£57,000
10 Sep 1999
£37,000

Mailboxs Ltd - Small Business Solutions, Apex House, 59 William Street, Trethomas, Caerphilly, CF83 8FX

Today
£55,874
streetscan.co.uk estimate
17 Jun 1999
£12,800

Area Insights

Data Sources

Properties at CF83 8FX appear sixty-one times in the Land Registry records, with the latest transaction recorded on 12 Nov 2025. It also has thirteen Energy Performance Certificates (EPC) entries, the earliest dating back to 11 Oct 2016. 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.