According to data from HM Land Registry, 21, Llanwonno Road, Mountain Ash sits on a plot of 150 m².

We have plot size data on 49 out of 58 other houses in the postcode and 21, Llanwonno Road, Mountain Ash sits on the 37th largest plot.

21, Llanwonno Road, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 Jun 2022.

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, 21, Llanwonno Road, Mountain Ash was last sold on 10th November 2023 for £110,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since November 2023, the market for similar properties has risen by 16.9%.

• Sold Nov 2023£110,000
• Sold Oct 1998£33,700
• Sold Jan 1998£12,500

According to the Land Registry and our network of Estate Agents, there have been 164 sales of properties similar to 21, Llanwonno Road, Mountain Ash within a radius of 590 metres since 2022.

The most recent example is 13, Gorsedd Street, Mountain Ash, CF45 3LR, a freehold house which sold for £155,000 on the 31st March 2026.

Read more about house prices in CF45.

• Sold Mar 2026£155,000 | 3 Bed House13, Gorsedd Street, Mountain Ash, CF45 3LR13, Gorsedd Street, Mountain Ash, CF45 3LR
• Sold Feb 2026£142,500 | 3 Bed HouseAberpennar Cottage, Dover Street, Mountain Ash, CF45 3HYAberpennar Cottage, Dover Street, Mountain Ash, CF45 3HY
• Sold Feb 2026£150,000 | 3 Bed House3, Gwernifor Street, Mountain Ash, CF45 3NA3, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Nov 2025£150,000 | 3 Bed House29, Coplestone Street, Mountain Ash, CF45 3LY29, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jul 2025£145,000 | 3 Bed House42, Coplestone Street, Mountain Ash, CF45 3LY42, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jun 2025£132,500 | 3 Bed House28, Kingcraft Street, Mountain Ash, CF45 3LT28, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold May 2025£116,500 | 3 Bed House17, Coplestone Street, Mountain Ash, CF45 3LY17, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Feb 2025£122,000 | 3 Bed House21, Darran Road, Mountain Ash, CF45 3HT21, Darran Road, Mountain Ash, CF45 3HT
• 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 Nov 2024£120,000 | 3 Bed House3, Aberpennar Street, Mountain Ash, CF45 3LS3, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Nov 2024£165,000 | 3 Bed House16, Gwernifor Street, Mountain Ash, CF45 3NA16, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Sep 2024£170,000 | 3 Bed House24, Gwernifor Street, Mountain Ash, CF45 3NA24, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Aug 2024£105,000 | 3 Bed House43, Aberpennar Street, Mountain Ash, CF45 3LS43, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Feb 2024£112,500 | 3 Bed House12, Coplestone Street, Mountain Ash, CF45 3LY12, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Mar 2023£120,000 | 3 Bed House4, Gwernifor Street, Mountain Ash, CF45 3NA4, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Nov 2022£120,000 | 3 Bed House8, Kingcraft Street, Mountain Ash, CF45 3LT8, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Oct 2022£130,000 | 3 Bed House16, Kingcraft Street, Mountain Ash, CF45 3LT16, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Jul 2022£133,500 | 3 Bed House17, Ceridwen Street, Mountain Ash, CF45 3LU17, Ceridwen Street, Mountain Ash, CF45 3LU
• Sold Apr 2022£125,000 | 3 Bed House13, Coplestone Street, Mountain Ash, CF45 3LY13, Coplestone Street, Mountain Ash, CF45 3LY

Llanwonno Road, Mountain Ash, CF45 has a total of 78 addresses. According to our analysis of all the public data, 21, Llanwonno Road, Mountain Ash is the 45th largest and the 47th most expensive property on the street.

When compared to the postcode district it is £17k less expensive than the average property in CF45.

• Mountain Ash

  |

  500 m away
• Fernhill

  |

  1.5 km away
• Penrhiwceiber

  |

  1.6 km away

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