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
Closteg, Heol Ddu, Pen Y Mynydd, SA15 4RW	27 Jun 2025	£230,000	79 m² 850 sqft	£2,911 £270	Detached
Tynewydd, Heol Ddu, Pen Y Mynydd, SA15 4RW	07 Mar 2016	£164,950	87 m² 936 sqft	£1,895 £176	Semi-D (2 bed)
Bwythyn Cornel, Heol Ddu, Pen Y Mynydd, SA15 4RW -	26 Sep 2014	£200,000	131 m² 1410 sqft	£1,526 £141	Detached (3 bed)
Parc Tycoch, Heol Ddu, Pen Y Mynydd, SA15 4RW	28 Nov 2003	£185,000			Detached (4 bed)
Ffosfach, Heol Ddu, Pen Y Mynydd, SA15 4RW	20 Dec 1996	£75,000			Detached (4 bed)
Closteg, Heol Ddu	£230,000 Jun-2025	79 850	2,911 270
Tynewydd, Heol Ddu	£164,950 Mar-2016	87 936	1,895 176
Bwythyn Cornel, Heol Ddu -	£200,000 Sep-2014	131 1410	1,526 141
Parc Tycoch, Heol Ddu	£185,000 Nov-2003
Ffosfach, Heol Ddu	£75,000 Dec-1996

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

The average price per square metre (per square foot) in Heol Ddu, Pen Y Mynydd is £2,233 sqm (£207 per sq ft), this is from sold house prices of the 5 most recent sales.
The majority of homes in Llanelli are now selling for between £1,500 and £2,570 per square metre (£139 and £238 per square foot) , find out more in this local analysis of SA15 4 (Llanelli) house prices.
There are roughly 20 homes on Heol Ddu, we would have expected about 2 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 Heol Ddu, averaging approximately 1 home sales per year .
The average size of all the properties on Heol Ddu is 140 m2 (1,506 sqft).