12, Windsor Road, Mountain Ash occupies a 156 m² plot as recorded by HM Land Registry.

Of the 27 other houses in this postcode, 21 have recorded plot sizes, and this one ranks as the 12th largest.

12, Windsor Road, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 Sep 2022.

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

12, Windsor Road, Mountain Ash last changed hands on 8th December 1995, selling for £25,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Dec 1995£25,000

Land Registry records and our Estate Agent network show 80 sales of comparable properties within 680 metres of 12, Windsor Road, Mountain Ash since 2016.

Most recently, 9, Clarence Street, Mountain Ash, CF45 3BB, a freehold house, sold at £130,000 on the 17th April 2026.

Read more about house prices in CF45.

• Sold Apr 2026£130,000 | 4 Bed House9, Clarence Street, Mountain Ash, CF45 3BB9, Clarence Street, Mountain Ash, CF45 3BB
• Sold Dec 2025£130,000 | 4 Bed House76, Consort Street, Mountain Ash, CF45 3AU76, Consort Street, Mountain Ash, CF45 3AU
• Sold Dec 2025£130,000 | 3 Bed House11, Clarence Street, Mountain Ash, CF45 3BB11, Clarence Street, Mountain Ash, CF45 3BB
• Sold Nov 2025£108,000 | 3 Bed House111, Woodfield Terrace, Mountain Ash, CF45 3UT111, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Jun 2025£98,000 | 3 Bed House96, Clarence Street, Mountain Ash, CF45 3BD96, Clarence Street, Mountain Ash, CF45 3BD
• Sold Feb 2025£100,000 | 3 Bed House10, Coplestone Street, Mountain Ash, CF45 3LY10, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Feb 2025£73,000 | 3 Bed House4, Coplestone Street, Mountain Ash, CF45 3LY4, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Oct 2024£130,000 | 4 Bed House23, Coplestone Street, Mountain Ash, CF45 3LY23, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Dec 2023£18,000 | 4 Bed House1A, Thomas Street, Mountain Ash, CF45 3BU1A, Thomas Street, Mountain Ash, CF45 3BU
• Sold May 2023£115,000 | 3 Bed House40, Oakland Street, Mountain Ash, CF45 3AL40, Oakland Street, Mountain Ash, CF45 3AL
• Sold Dec 2022£95,000 | 4 Bed House72, Consort Street, Mountain Ash, CF45 3AU72, Consort Street, Mountain Ash, CF45 3AU
• Sold Jul 2022£96,000 | 4 Bed House22, Windsor Road, Mountain Ash, CF45 3BH22, Windsor Road, Mountain Ash, CF45 3BH
• Sold Jun 2022£92,000 | 3 Bed House23, Arthur Street, Mountain Ash, CF45 3BL23, Arthur Street, Mountain Ash, CF45 3BL
• Sold Dec 2021£140,000 | 4 Bed House2, Albert Street, Mountain Ash, CF45 3BA2, Albert Street, Mountain Ash, CF45 3BA
• Sold Oct 2021£105,000 | 3 Bed House16, Consort Street, Mountain Ash, CF45 3AY16, Consort Street, Mountain Ash, CF45 3AY
• Sold Oct 2021£90,000 | 3 Bed House36, Clarence Street, Mountain Ash, CF45 3BB36, Clarence Street, Mountain Ash, CF45 3BB
• Sold Jul 2021£105,000 | 4 Bed House23, Mount Pleasant Terrace, Mountain Ash, CF45 3AN23, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold May 2019£90,000 | 4 Bed House2, Hughes Street, Mountain Ash, CF45 3UG2, Hughes Street, Mountain Ash, CF45 3UG
• Sold Jan 2017£96,500 | 4 Bed House24, Albany Street, Mountain Ash, CF45 3BE24, Albany Street, Mountain Ash, CF45 3BE
• Sold Feb 2016£80,000 | 3 Bed House25, Albany Street, Mountain Ash, CF45 3BE25, Albany Street, Mountain Ash, CF45 3BE

Our analysis of the public data ranks 12, Windsor Road, Mountain Ash as the 5th largest and the 5th most expensive of the 27 addresses on Windsor Road, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £26k less expensive than the typical property.

• Mountain Ash

  |

  800 m away
• Penrhiwceiber

  |

  1.2 km away
• Fernhill

  |

  2.0 km away

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