HM Land Registry records the plot of land for 18, Mostyn Street, Aberdare as measuring 128 m².

That makes it the 2nd largest plot in the postcode, where 27 of the 33 other houses have recorded plot data.

18, Mostyn Street, Aberdare has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Jan 2021.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 18, Mostyn Street, Aberdare completed on 17th December 1999 at £18,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

• Sold Dec 1999£18,000

Since 2014 77 properties similar to 18, Mostyn Street, Aberdare have sold within a radius of 1.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th January 2026, was 32, Mostyn Street, Aberdare, CF44 6BA, a freehold house which sold for £90,000.

Read more about house prices in CF44.

• Sold Jan 2026£90,000 | 3 Bed House32, Mostyn Street, Aberdare, CF44 6BA32, Mostyn Street, Aberdare, CF44 6BA
• Sold Aug 2025£105,000 | 2 Bed House72, Jenkin Street, Aberdare, CF44 6BE72, Jenkin Street, Aberdare, CF44 6BE
• Sold Aug 2025£120,000 | 3 Bed House11, Elm Street, Aberdare, CF44 6AS11, Elm Street, Aberdare, CF44 6AS
• Sold Jul 2025£57,500 | 3 Bed House8, Tanycoed Terrace, Aberdare, CF44 6AY8, Tanycoed Terrace, Aberdare, CF44 6AY
• Sold Jul 2025£93,500 | 2 Bed House4, Tanycoed Terrace, Aberdare, CF44 6AY4, Tanycoed Terrace, Aberdare, CF44 6AY
• Sold Jun 2025£107,000 | 3 Bed House70, Park View Terrace, Aberdare, CF44 6AB70, Park View Terrace, Aberdare, CF44 6AB
• Sold Feb 2025£55,000 | 2 Bed House80, Jenkin Street, Aberdare, CF44 6BE80, Jenkin Street, Aberdare, CF44 6BE
• Sold Dec 2023£98,000 | 3 Bed House56, John Street, Aberdare, CF44 6BL56, John Street, Aberdare, CF44 6BL
• Sold Nov 2023£56,000 | 3 Bed House12, Mostyn Street, Aberdare, CF44 6BA12, Mostyn Street, Aberdare, CF44 6BA
• Sold Aug 2023£102,500 | 2 Bed House76, Jenkin Street, Aberdare, CF44 6BE76, Jenkin Street, Aberdare, CF44 6BE
• Sold Sep 2022£74,995 | 3 Bed House1, Bronallt Terrace, Aberdare, CF44 6BW1, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Jun 2022£68,500 | 2 Bed House87, Jenkin Street, Aberdare, CF44 6BE87, Jenkin Street, Aberdare, CF44 6BE
• Sold Feb 2022£89,995 | 3 Bed House25, John Street, Aberdare, CF44 6BL25, John Street, Aberdare, CF44 6BL
• Sold Sep 2021£90,000 | 3 Bed House15, Mostyn Street, Aberdare, CF44 6BA15, Mostyn Street, Aberdare, CF44 6BA
• Sold Feb 2019£65,000 | 3 Bed House31, Mostyn Street, Aberdare, CF44 6BA31, Mostyn Street, Aberdare, CF44 6BA
• Sold Nov 2017£38,000 | 3 Bed House8, Mostyn Street, Aberdare, CF44 6BA8, Mostyn Street, Aberdare, CF44 6BA
• Sold Jun 2017£58,000 | 2 Bed House30, Mostyn Street, Aberdare, CF44 6BA30, Mostyn Street, Aberdare, CF44 6BA
• Sold Oct 2015£55,000 | 2 Bed House9, Mostyn Street, Aberdare, CF44 6BA9, Mostyn Street, Aberdare, CF44 6BA
• Sold Jul 2015£62,500 | 3 Bed House10, Mostyn Street, Aberdare, CF44 6BA10, Mostyn Street, Aberdare, CF44 6BA
• Sold Oct 2014£42,000 | 3 Bed House29, Mostyn Street, Aberdare, CF44 6BA29, Mostyn Street, Aberdare, CF44 6BA

Of the 33 addresses on Mostyn Street, Aberdare, CF44, 18, Mostyn Street, Aberdare comes out as the 22nd largest and the 22nd most expensive in our analysis of the public data.

It is also £54k less expensive than the average property across the CF44 district.

• Fernhill

  |

  900 m away
• Cwmbach

  |

  1.6 km away
• Mountain Ash

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  2.4 km away

The flood risk here is rated Very Low, based on Environment Agency data.