Our Data Sources
16, Arthur Street, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated July 2024.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 16, Arthur Street, Mountain Ash, we estimate a market value of £120,915 and a rental value of £800 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £107,096 and £709 per month respectively.
Plot Size
HM Land Registry records the plot of land for 16, Arthur Street, Mountain Ash as measuring 159 m2.
That makes it the 17th largest plot in the postcode, where 46 of the 51 other houses have recorded plot data.
Energy Efficiency
16, Arthur Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Jul 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2018 222 properties similar to 16, Arthur Street, Mountain Ash have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th March 2026, was 70, Clarence Street, Mountain Ash, CF45 3BD, a freehold house which sold for £135,000.
Read more about house prices in CF45.
- Sold Mar 2026£135,000 | 3 Bed House70, Clarence Street, Mountain Ash, CF45 3BD70, Clarence Street, Mountain Ash, CF45 3BD
- Sold Nov 2025£122,000 | 3 Bed House13, Hughes Street, Mountain Ash, CF45 3UG13, Hughes Street, Mountain Ash, CF45 3UG
- Sold Oct 2025£112,000 | 3 Bed House32, Oakland Street, Mountain Ash, CF45 3AL32, Oakland Street, Mountain Ash, CF45 3AL
- Sold Oct 2025£125,000 | 3 Bed House9, Arthur Street, Mountain Ash, CF45 3BL9, Arthur Street, Mountain Ash, CF45 3BL
- Sold Sep 2025£116,500 | 3 Bed House20, Ty'R Felin Street, Mountain Ash, CF45 3YR20, Ty'R Felin Street, Mountain Ash, CF45 3YR
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £111,283, ranging from £92,960 to £133,407.
- 15 Arthur Street
3 Bed House | 5 m | Est. Value: £118,233
- 17 Arthur Street
3 Bed House | 7 m | Est. Value: £115,157
- 19 Arthur Street
3 Bed House | 16 m | Est. Value: £111,334
- 20 Arthur Street
3 Bed House | 21 m | Est. Value: £97,114
- 12 Arthur Street
3 Bed House | 22 m | Est. Value: £113,899
Location Comparison
Of the 51 addresses on Arthur Street, Mountain Ash, CF45, 16, Arthur Street, Mountain Ash comes out as the 12th largest and the 13th most expensive in our analysis of the public data.
It is also £45k less expensive than the average property across the CF45 district.
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Schools Nearby
Public Transport Nearby
- Mountain Ash|1.0 km away
- Penrhiwceiber|1.1 km away
- Fernhill|2.1 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












