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
18, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	28 Mar 2025	£330,000	147 m² 1582 sqft	£2,244 £208	Detached (4 bed)
Plot 3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	11 Jul 2024	£100,000 B			Other
21, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	27 Mar 2024	£160,000	84 m² 904 sqft	£1,904 £176	Detached (3 bed)
Plot 3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	25 Mar 2024	£120,000 B			Other
Plot 6, Trem Y Duffryn, Mountain Ash, CF45 4AQ	23 Feb 2024	£42,000 B			Other
Plot 5, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	04 Dec 2023	£515,000			Detached
30, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	12 Dec 2022	£282,500	84 m² 904 sqft	£3,363 £312	Detached (3 bed)
24, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	11 Jul 2022	£200,000	73 m² 785 sqft	£2,739 £254	Semi-D (3 bed)
14, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	10 Dec 2021	£305,000	156 m² 1679 sqft	£1,955 £181	Detached (4 bed)
Plot 3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	30 Jul 2021	£120,000 B			Other
3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	13 Nov 2020	£160,000			Detached (3 bed)
20, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	18 Oct 2019	£260,000	187 m² 2012 sqft	£1,390 £129	Detached (4 bed)
13, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	19 Jul 2019	£236,000	132 m² 1420 sqft	£1,787 £166	Detached (4 bed)
Plot 5, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	17 Jun 2019	£380,000			Detached
28, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	18 Apr 2019	£173,000	104 m² 1119 sqft	£1,663 £154	Detached (4 bed)
Plot 2, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	27 Sep 2018	£85,000 B			Other
Plot 3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	20 Jul 2018	£95,000 B			Other
Plot 5, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	09 Mar 2018	£89,000 B			Other
17, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	09 Dec 2016	£78,500	52 m² 559 sqft	£1,509 £140	Flat (3 bed)
1, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	18 Dec 2015	£155,900	75 m² 807 sqft	£2,078 £193	Detached (3 bed)
16, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	01 May 2013	£120,000	73 m² 785 sqft	£1,643 £152	Semi-D (3 bed)
26, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	23 Apr 2009	£195,000			Detached (4 bed)
22, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	05 Jun 2007	£75,000			Terrace (2 bed)
15, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	20 Mar 2007	£139,950			Semi-D (3 bed)
12, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	08 Mar 2007	£149,950			Detached (3 bed)
19, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	05 Mar 2007	£204,950			Detached (4 bed)
10, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	05 Feb 2007	£149,950			Detached (3 bed)
23, Trem Y Dyffryn, Mountain Ash, CF45 4AQ -	15 Dec 2006	£139,950	73 m² 785 sqft	£1,917 £178	Semi-D (3 bed)
7, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	27 Nov 2006	£169,950			Semi-D (4 bed)
6, Trem Y Dyffryn, Mountain Ash, CF45 4AQ	27 Nov 2006	£167,000			Semi-D (4 bed)
18, Trem Y Dyffryn -	£330,000 Mar-2025	147 1582	2,244 208
Plot 3, Trem Y Dyffryn	£100,000 B Jul-2024
21, Trem Y Dyffryn	£160,000 Mar-2024	84 904	1,904 176
Plot 3, Trem Y Dyffryn	£120,000 B Mar-2024
Plot 6, Trem Y Duffryn	£42,000 B Feb-2024
Plot 5, Trem Y Dyffryn	£515,000 Dec-2023
30, Trem Y Dyffryn -	£282,500 Dec-2022	84 904	3,363 312
24, Trem Y Dyffryn -	£200,000 Jul-2022	73 785	2,739 254
14, Trem Y Dyffryn -	£305,000 Dec-2021	156 1679	1,955 181
Plot 3, Trem Y Dyffryn	£120,000 B Jul-2021
3, Trem Y Dyffryn	£160,000 Nov-2020
20, Trem Y Dyffryn	£260,000 Oct-2019	187 2012	1,390 129
13, Trem Y Dyffryn -	£236,000 Jul-2019	132 1420	1,787 166
Plot 5, Trem Y Dyffryn	£380,000 Jun-2019
28, Trem Y Dyffryn -	£173,000 Apr-2019	104 1119	1,663 154
Plot 2, Trem Y Dyffryn	£85,000 B Sep-2018
Plot 3, Trem Y Dyffryn	£95,000 B Jul-2018
Plot 5, Trem Y Dyffryn	£89,000 B Mar-2018
17, Trem Y Dyffryn -	£78,500 Dec-2016	52 559	1,509 140
1, Trem Y Dyffryn -	£155,900 Dec-2015	75 807	2,078 193
16, Trem Y Dyffryn -	£120,000 May-2013	73 785	1,643 152
26, Trem Y Dyffryn -	£195,000 Apr-2009
22, Trem Y Dyffryn	£75,000 Jun-2007
15, Trem Y Dyffryn	£139,950 Mar-2007
12, Trem Y Dyffryn	£149,950 Mar-2007
19, Trem Y Dyffryn	£204,950 Mar-2007
10, Trem Y Dyffryn	£149,950 Feb-2007
23, Trem Y Dyffryn -	£139,950 Dec-2006	73 785	1,917 178
7, Trem Y Dyffryn	£169,950 Nov-2006
6, Trem Y Dyffryn	£167,000 Nov-2006

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

The average price per square metre (per square foot) in Trem Y Dyffryn, Mountain Ash is £2,441 sqm (£226 per sq ft), this is calculated from sold property prices of the 5 most recent sales.
The majority of homes in Abercynon are now selling for between £1,190 and £1,910 per square metre (£110 and £177 per square foot) , find out more in this local analysis of CF45 4 (Abercynon) house prices.
There are about 27 homes on Trem Y Dyffryn, we would have expected approximately 3 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 Trem Y Dyffryn, averaging approximately 1 home sales per year .
The average size of all the properties on Trem Y Dyffryn is 103 m2 (1,108 sqft).