Over the past 27 years, there have been 31 property sales recorded in the CF45 4BD postcode area. The highest sale price reached £135,000, while the most recent sale was for a terraced house sold in April 2025 for £120,000.

The estimated average property value in CF45 4BD currently stands at £122,729, which is roughly in line with the city average (within ±8%), suggesting property prices reflect broader market trends.

In terms of size, the average price per square metre is approximately £1,442.

Property prices in CF45 4BD have risen by 7.6% over the past year , with a total increase of 44.9% over the past five years, and a long-term rise of 81.4% over the past decade.

The most common type of property sold in the area is terraced, making up around 90% of transactions , followed by detached and other.

Housing in CF45 4BD is mixed, with 41% of homes being , indicating a diverse residential makeup.

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Property Sales

11 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 4bed
📐 1345 sq ft
Today
£76,568
streetscan.co.uk estimate
29 Mar 2018
£45,500
12 Sep 2003
£50,000
More details

12 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 4bed
📐 765 sq ft
Today
£110,596
streetscan.co.uk estimate
18 May 2018
£70,000
10 Nov 2000
£22,000
More details

13 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

Today
£80,419
streetscan.co.uk estimate
28 May 2021
£65,500

14 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 5bed
📐 1098 sq ft
Today
£171,875
streetscan.co.uk estimate
22 Mar 2017
£103,500
10 Jan 2003
£24,000
More details

16 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 3bed
📐 667 sq ft
Today
£119,383
streetscan.co.uk estimate
8 Apr 2022
£106,000
13 Aug 2010
£54,000
More details

17 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 4bed
📐 775 sq ft
Today
£140,870
streetscan.co.uk estimate
14 Jul 2022
£135,000
1 Aug 2008
£70,000
More details

20 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 5bed
📐 958 sq ft
Today
£98,985
streetscan.co.uk estimate
14 Nov 2016
£60,000
More details

21 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

Today
£173,250
streetscan.co.uk estimate
19 Nov 2009
£93,500
24 Mar 2006
£50,000

22 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 3bed
📐 667 sq ft
Today
£119,408
streetscan.co.uk estimate
30 Apr 2025
£120,000
12 Oct 2012
£68,000
More details

23 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Detached
🛏️ 8bed
📐 1658 sq ft
Today
£216,698
streetscan.co.uk estimate
28 Apr 2003
£70,000
More details

24A Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Detached
🛏️ 4bed
📐 614 sq ft
Today
£78,687
streetscan.co.uk estimate
22 Jul 2022
£75,000
More details

27 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 3bed
📐 990 sq ft
Today
£106,105
streetscan.co.uk estimate
14 Nov 2002
£28,000
18 Mar 1998
£14,500
More details

28 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

Today
£162,101
streetscan.co.uk estimate
29 Oct 1999
£34,736

34 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

Today
£132,021
streetscan.co.uk estimate
1 Aug 2014
£74,000

4 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 3bed
📐 667 sq ft
Today
£83,401
streetscan.co.uk estimate
30 Apr 2020
£58,000
2 Dec 2019
£55,000
View +2 more
More details

5 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

🏠 Terraced
🛏️ 4bed
📐 700 sq ft
Today
£62,380
streetscan.co.uk estimate
16 Aug 2019
£44,000
21 Nov 2018
£39,950
View +1 more
More details

6 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

Today
£109,075
streetscan.co.uk estimate
6 Dec 2002
£29,000

The Butchers Arms, 10 Allen Street, Mountain Ash, Rhondda Cynon Taff, CF45 4BD

Today
£129,116
streetscan.co.uk estimate
3 Apr 2020
£100,000

Area Insights

Data Sources

Properties at CF45 4BD appear thirty-one times in the Land Registry records, with the latest transaction recorded on 30 Apr 2025. It also has twelve Energy Performance Certificates (EPC) entries, the earliest dating back to 9 Jan 2018. 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.