HM Land Registry records the plot of land for 17, Mostyn Street, Aberdare as measuring 204 m².

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

17, Mostyn Street, Aberdare has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Jun 2012.

The property is not 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 17, Mostyn Street, Aberdare completed on 1st July 2016 at £76,995 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 108.1% over the period since July 2016.

• Sold Jul 2016£76,995
• Sold Dec 2009£80,000

Since 2010 54 properties similar to 17, 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 3rd October 2025, was 11, Grove Terrace, Aberdare, CF44 6AG, a freehold house which sold for £159,000.

Read more about house prices in CF44.

• Sold Oct 2025£159,000 | 3 Bed House11, Grove Terrace, Aberdare, CF44 6AG11, Grove Terrace, Aberdare, CF44 6AG
• Sold Sep 2025£125,000 | 3 Bed House15, Graig Terrace, Aberdare, CF44 6AH15, Graig Terrace, Aberdare, CF44 6AH
• Sold Aug 2025£80,000 | 3 Bed House6, Graig Terrace, Aberdare, CF44 6AH6, Graig Terrace, Aberdare, CF44 6AH
• Sold Mar 2025£128,000 | 3 Bed House36, Jenkin Street, Aberdare, CF44 6BB36, Jenkin Street, Aberdare, CF44 6BB
• Sold Dec 2024£120,000 | 3 Bed House9, Graig Crescent, Aberdare, CF44 6AE9, Graig Crescent, Aberdare, CF44 6AE
• Sold Dec 2024£110,000 | 3 Bed House1, William Street, Aberdare, CF44 6AR1, William Street, Aberdare, CF44 6AR
• Sold Sep 2024£145,500 | 3 Bed House10, Rose Row, Aberdare, CF44 0BN10, Rose Row, Aberdare, CF44 0BN
• Sold Jun 2023£98,500 | 3 Bed House25, Jenkin Street, Aberdare, CF44 6BB25, Jenkin Street, Aberdare, CF44 6BB
• Sold Jan 2022£119,995 | 3 Bed House2, William Street, Aberdare, CF44 6AR2, William Street, Aberdare, CF44 6AR
• Sold Nov 2021£100,000 | 3 Bed House14, Grove Terrace, Aberdare, CF44 6AG14, Grove Terrace, Aberdare, CF44 6AG
• Sold Aug 2020£70,000 | 3 Bed House4, Rose Row, Aberdare, CF44 0BN4, Rose Row, Aberdare, CF44 0BN
• Sold Apr 2019£75,000 | 3 Bed House3, Graig Terrace, Aberdare, CF44 6AH3, Graig Terrace, Aberdare, CF44 6AH
• Sold Dec 2017£39,995 | 3 Bed House23, Graig Terrace, Aberdare, CF44 6AH23, Graig Terrace, Aberdare, CF44 6AH
• Sold Oct 2017£35,000 | 3 Bed House60, Jenkin Street, Aberdare, CF44 6BB60, Jenkin Street, Aberdare, CF44 6BB
• Sold Oct 2017£63,495 | 3 Bed House16, Grove Terrace, Aberdare, CF44 6AG16, Grove Terrace, Aberdare, CF44 6AG
• Sold Aug 2017£65,000 | 3 Bed House18, Grove Terrace, Aberdare, CF44 6AG18, Grove Terrace, Aberdare, CF44 6AG
• Sold Jul 2017£78,500 | 3 Bed House1, Grove Terrace, Aberdare, CF44 6AG1, Grove Terrace, Aberdare, CF44 6AG
• Sold May 2015£50,000 | 3 Bed House55, Jenkin Street, Aberdare, CF44 6BB55, Jenkin Street, Aberdare, CF44 6BB
• Sold Nov 2012£38,000 | 3 Bed House22, Graig Terrace, Aberdare, CF44 6AH22, Graig Terrace, Aberdare, CF44 6AH
• Sold Nov 2010£55,000 | 3 Bed House27, Jenkin Street, Aberdare, CF44 6BB27, Jenkin Street, Aberdare, CF44 6BB

Of the 33 addresses on Mostyn Street, Aberdare, CF44, 17, Mostyn Street, Aberdare comes out as the 13th largest and the most expensive in our analysis of the public data.

It is also £13k less expensive than the average property across the CF44 district.

• Fernhill

  |

  900 m away
• Cwmbach

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  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.