40, John Street, Aberdare occupies a 106 m² plot as recorded by HM Land Registry.

Of the 44 other houses in this postcode, 38 have recorded plot sizes, and this one ranks as the 31st largest.

40, John Street, Aberdare has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Mar 2026.

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

40, John Street, Aberdare last changed hands on 17th November 2023, selling for £63,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 29.7% since November 2023.

Land Registry records and our Estate Agent network show 34 sales of comparable properties within 1.4 kilometres of 40, John Street, Aberdare since 2013.

Most recently, 30, John Street, Aberdare, CF44 6BL, a freehold house, sold at £62,500 on the 22nd October 2025.

Read more about house prices in CF44.

• Sold Oct 2025£62,500 | 2 Bed House30, John Street, Aberdare, CF44 6BL30, John Street, Aberdare, CF44 6BL
• Sold Aug 2025£70,000 | 2 Bed House90, John Street, Aberdare, CF44 6BN90, John Street, Aberdare, CF44 6BN
• Sold Jul 2025£93,500 | 2 Bed House4, Tanycoed Terrace, Aberdare, CF44 6AY4, Tanycoed Terrace, Aberdare, CF44 6AY
• Sold Apr 2025£60,000 | 3 Bed House39, John Street, Aberdare, CF44 6BL39, John Street, Aberdare, CF44 6BL
• Sold Jan 2025£31,010 | 2 Bed House64, John Street, Aberdare, CF44 6BN64, John Street, Aberdare, CF44 6BN
• Sold Nov 2024£68,000 | 2 Bed House46, John Street, Aberdare, CF44 6BL46, John Street, Aberdare, CF44 6BL
• Sold Dec 2023£98,000 | 3 Bed House56, John Street, Aberdare, CF44 6BL56, John Street, Aberdare, CF44 6BL
• Sold Jan 2023£50,000 | 3 Bed House60, John Street, Aberdare, CF44 6BN60, John Street, Aberdare, CF44 6BN
• Sold Sep 2022£74,995 | 3 Bed House1, Bronallt Terrace, Aberdare, CF44 6BW1, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Feb 2022£89,995 | 3 Bed House25, John Street, Aberdare, CF44 6BL25, John Street, Aberdare, CF44 6BL
• Sold Nov 2021£56,000 | 2 Bed House51, John Street, Aberdare, CF44 6BL51, John Street, Aberdare, CF44 6BL
• Sold Feb 2021£52,000 | 3 Bed House57, John Street, Aberdare, CF44 6BN57, John Street, Aberdare, CF44 6BN
• Sold Dec 2020£69,995 | 3 Bed House74, John Street, Aberdare, CF44 6BN74, John Street, Aberdare, CF44 6BN
• Sold Mar 2020£43,000 | 2 Bed House12, John Street, Aberdare, CF44 6BL12, John Street, Aberdare, CF44 6BL
• Sold Nov 2018£39,000 | 3 Bed House67, John Street, Aberdare, CF44 6BN67, John Street, Aberdare, CF44 6BN
• Sold Oct 2018£47,000 | 3 Bed House96, John Street, Aberdare, CF44 6BN96, John Street, Aberdare, CF44 6BN
• Sold Feb 2018£35,000 | 2 Bed House21, John Street, Aberdare, CF44 6BL21, John Street, Aberdare, CF44 6BL
• Sold Dec 2017£45,000 | 3 Bed House58, John Street, Aberdare, CF44 6BN58, John Street, Aberdare, CF44 6BN
• Sold Jun 2017£58,000 | 2 Bed House30, Mostyn Street, Aberdare, CF44 6BA30, Mostyn Street, Aberdare, CF44 6BA
• Sold Dec 2013£30,500 | 2 Bed House73, John Street, Aberdare, CF44 6BN73, John Street, Aberdare, CF44 6BN

Our analysis of the public data ranks 40, John Street, Aberdare as the 48th largest and the 53rd most expensive of the 129 addresses on John Street, Abercwmboi, Aberdare, CF44.

Against the CF44 postcode district average, it is £71k less expensive than the typical property.

• Fernhill

  |

  1.1 km away
• Cwmbach

  |

  1.4 km away
• Mountain Ash

  |

  2.5 km away

Environment Agency data suggests this area has a Very Low risk of flooding.