Our Data Sources
23, Harcourt Terrace, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated June 2021.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 23, Harcourt Terrace, Mountain Ash is in very good condition we estimate a sale value of £143,218 and a rental value of £860 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £126,850 and a rental value of £762 per month.
Plot Size
According to data from HM Land Registry, 23, Harcourt Terrace, Mountain Ash sits on a plot of 99 m2.
We have plot size data on 59 out of 67 other houses in the postcode and 23, Harcourt Terrace, Mountain Ash sits on the 35th largest plot.
Energy Efficiency
23, Harcourt Terrace, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Jun 2021.
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
According to the Land Registry and our network of Estate Agents, there have been 127 sales of properties similar to 23, Harcourt Terrace, Mountain Ash within a radius of 620 metres since 2018.
The most recent example is 111, Woodfield Terrace, Mountain Ash, CF45 3UT, a freehold house which sold for £108,000 on the 14th November 2025.
Read more about house prices in CF45.
- 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 Sep 2025£47,000 | 3 Bed House101, Penrhiwceiber Road, Mountain Ash, CF45 3SF101, Penrhiwceiber Road, Mountain Ash, CF45 3SF
- Sold Jun 2025£132,500 | 3 Bed House61, Harcourt Terrace, Mountain Ash, CF45 3SD61, Harcourt Terrace, Mountain Ash, CF45 3SD
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £116,190, ranging from £87,617 to £144,989.
- 22 Harcourt Terrace
3 Bed House | 4 m | Est. Value: £101,696
- 24 Harcourt Terrace
3 Bed House | 5 m | Est. Value: £126,282
- 21 Harcourt Terrace
3 Bed House | 8 m | Est. Value: £121,229
- 25 Harcourt Terrace
3 Bed House | 10 m | Est. Value: £126,985
- 20 Harcourt Terrace
4 Bed House | 13 m | Est. Value: £144,989
Location Comparison
Harcourt Terrace, Penrhiwceiber, Mountain Ash, CF45 has a total of 67 addresses. According to our analysis of all the public data, 23, Harcourt Terrace, Mountain Ash is the 10th largest and the 8th most expensive property on the street.
When compared to the postcode district it is £24k less expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- Penrhiwceiber|600 m away
- Mountain Ash|1.1 km away
- Fernhill|2.5 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












