HM Land Registry records the plot of land for 55, Llanwonno Road, Mountain Ash as measuring 330 m².

That makes it the 7th largest plot in the postcode, where 49 of the 58 other houses have recorded plot data.

55, Llanwonno Road, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 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).

The most recent sale of 55, Llanwonno Road, Mountain Ash completed on 10th July 2020 at £145,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 113.3% over the period since July 2020.

• Sold Jul 2020£145,000

Since 2016 73 properties similar to 55, Llanwonno Road, Mountain Ash have sold within a radius of 650 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 24th November 2025, was 38, Aberpennar Street, Mountain Ash, CF45 3LS, a freehold house which sold for £157,000.

Read more about house prices in CF45.

• Sold Nov 2025£157,000 | 4 Bed House38, Aberpennar Street, Mountain Ash, CF45 3LS38, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Oct 2025£180,000 | 4 Bed House44, Ceridwen Street, Mountain Ash, CF45 3LU44, Ceridwen Street, Mountain Ash, CF45 3LU
• Sold Sep 2025£142,000 | 4 Bed House33, Kingcraft Street, Mountain Ash, CF45 3LT33, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Mar 2025£86,000 | 3 Bed House23, Gwernifor Street, Mountain Ash, CF45 3NA23, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Nov 2024£165,000 | 3 Bed House16, Gwernifor Street, Mountain Ash, CF45 3NA16, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Oct 2024£130,000 | 4 Bed House23, Coplestone Street, Mountain Ash, CF45 3LY23, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jun 2024£47,000 | 3 Bed House40, Thomas Street, Mountain Ash, CF45 3BU40, Thomas Street, Mountain Ash, CF45 3BU
• Sold Dec 2023£77,000 | 3 Bed House54, Cilhaul Terrace, Mountain Ash, CF45 3ND54, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Dec 2023£18,000 | 4 Bed House1A, Thomas Street, Mountain Ash, CF45 3BU1A, Thomas Street, Mountain Ash, CF45 3BU
• Sold Oct 2023£125,000 | 3 Bed House60, Llanwonno Road, Mountain Ash, CF45 3NB60, Llanwonno Road, Mountain Ash, CF45 3NB
• Sold Apr 2023£140,000 | 4 Bed House1, Aberpennar Street, Mountain Ash, CF45 3LS1, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Jul 2022£124,000 | 4 Bed House16, Coplestone Street, Mountain Ash, CF45 3LY16, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jul 2022£133,500 | 3 Bed House17, Ceridwen Street, Mountain Ash, CF45 3LU17, Ceridwen Street, Mountain Ash, CF45 3LU
• Sold Apr 2022£93,000 | 4 Bed House10, Darran Road, Mountain Ash, CF45 3HT10, Darran Road, Mountain Ash, CF45 3HT
• Sold Feb 2022£138,000 | 4 Bed House36, Coplestone Street, Mountain Ash, CF45 3LY36, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Dec 2021£140,000 | 4 Bed House2, Albert Street, Mountain Ash, CF45 3BA2, Albert Street, Mountain Ash, CF45 3BA
• Sold Oct 2021£115,000 | 3 Bed House30, Gwernifor Street, Mountain Ash, CF45 3NA30, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Sep 2021£145,000 | 3 Bed House28, Ceridwen Street, Mountain Ash, CF45 3LU28, Ceridwen Street, Mountain Ash, CF45 3LU
• Sold Oct 2020£85,000 | 4 Bed House53, Cilhaul Terrace, Mountain Ash, CF45 3ND53, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Aug 2016£105,000 | 3 Bed House12, Gwernifor Street, Mountain Ash, CF45 3NA12, Gwernifor Street, Mountain Ash, CF45 3NA

Of the 78 addresses on Llanwonno Road, Mountain Ash, CF45, 55, Llanwonno Road, Mountain Ash comes out as the 29th largest and the 22nd most expensive in our analysis of the public data.

It is also £847 more expensive than the average property across the CF45 district.

• Mountain Ash

  |

  500 m away
• Fernhill

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  1.5 km away
• Penrhiwceiber

  |

  1.6 km away

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