According to data from HM Land Registry, 23, Arthur Street, Mountain Ash sits on a plot of 140 m².

We have plot size data on 46 out of 51 other houses in the postcode and 23, Arthur Street, Mountain Ash sits on the 27th largest plot.

23, Arthur Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Feb 2015.

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

According to HM Land Registry, 23, Arthur Street, Mountain Ash was last sold on 17th June 2022 for £92,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since June 2022, the market for similar properties has risen by 30.3%.

• Sold Jun 2022£92,000
• Sold Jul 2019£39,950
• Sold Jun 2015£30,000

According to the Land Registry and our network of Estate Agents, there have been 91 sales of properties similar to 23, Arthur Street, Mountain Ash within a radius of 690 metres since 2016.

The most recent example is 9, Clarence Street, Mountain Ash, CF45 3BB, a freehold house which sold for £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 Nov 2025£120,000 | 3 Bed House100, Woodfield Terrace, Mountain Ash, CF45 3UT100, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Nov 2025£65,000 | 3 Bed House110, Woodfield Terrace, Mountain Ash, CF45 3UT110, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Jun 2025£135,000 | 3 Bed House3, Glancynon Street, Mountain Ash, CF45 3YU3, Glancynon Street, Mountain Ash, CF45 3YU
• Sold Jun 2025£98,000 | 3 Bed House96, Clarence Street, Mountain Ash, CF45 3BD96, Clarence Street, Mountain Ash, CF45 3BD
• Sold Apr 2024£117,000 | 3 Bed HouseGlanffrwd Villa, Woodfield Terrace, Mountain Ash, CF45 3UTGlanffrwd Villa, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Jun 2023£147,500 | 3 Bed HouseBryncerdyn Villa, Woodfield Terrace, Mountain Ash, CF45 3UTBryncerdyn Villa, Woodfield Terrace, Mountain Ash, CF45 3UT
• 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 Sep 2022£136,500 | 3 Bed HouseGlyntaf Villa, Woodfield Terrace, Mountain Ash, CF45 3UTGlyntaf Villa, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Nov 2021£58,000 | 3 Bed House103, Woodfield Terrace, Mountain Ash, CF45 3UT103, Woodfield Terrace, Mountain Ash, CF45 3UT
• 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 Oct 2021£102,000 | 3 Bed House65, Consort Street, Mountain Ash, CF45 3AU65, Consort Street, Mountain Ash, CF45 3AU
• Sold Sep 2021£125,000 | 3 Bed HouseGlenhill Villa, Woodfield Terrace, Mountain Ash, CF45 3UTGlenhill Villa, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Jul 2021£105,000 | 4 Bed House23, Mount Pleasant Terrace, Mountain Ash, CF45 3AN23, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Feb 2016£80,000 | 3 Bed House25, Albany Street, Mountain Ash, CF45 3BE25, Albany Street, Mountain Ash, CF45 3BE

Arthur Street, Mountain Ash, CF45 has a total of 51 addresses. According to our analysis of all the public data, 23, Arthur Street, Mountain Ash is the 3rd largest and the 4th most expensive property on the street.

When compared to the postcode district it is £34k less expensive than the average property in CF45.

• Mountain Ash

  |

  1.0 km away
• Penrhiwceiber

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  1.1 km away
• Fernhill

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  2.1 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.