11, Napier Street
11, Napier Street
Description & Estimates
According to the public record, 11, Napier Street, Mountain Ash is a period house with 764 ft2 of internal area and sits on a 67.4 m2 plot.
Houses of this size in this area normally have 3 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 11, Napier Street, Mountain Ash is £102,112 and the estimated rental value is £709 per month.
Napier Street, Mountain Ash, CF45 is located within the CF45 postal district.
Our Data Sources
11, Napier Street, Mountain Ash has no recent1 records in the the Land Registry and a single entry in the EPC database dated November 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 11, Napier Street, Mountain Ash is in very good condition we estimate a sale value of £107,217 and a rental value of £745 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £94,964 and a rental value of £660 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of 11, Napier Street, Mountain Ash has grown by £2,513 (2.5%), while its estimated rental value has climbed by £28 per month (3.9%). Based on current estimates, the property offers a gross rental yield of 8.3%.
Plot Size
According to data from HM Land Registry, 11, Napier Street, Mountain Ash sits on a plot of 67 m2.
We have plot size data on 43 out of 50 other houses in the postcode and 11, Napier Street, Mountain Ash sits on the 41st largest plot.
Energy Efficiency
11, Napier Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Nov 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 11, Napier Street, Mountain Ash was last sold on 4th June 1999 for £25,995 and was recorded as a freehold house.
The property has had 2 sales since 1995.
- Sold Jun 1999£25,995
- Sold May 1999£24,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 11, Napier Street, Mountain Ash within a radius of 500 metres over the last 2 years.
The most recent example is 31, Napier Street, Mountain Ash, CF45 3HW, a freehold house which sold for £112,000 on the 2nd September 2025.
Read more about house prices in CF45.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Napier Street, Mountain Ash, CF45 has a total of 50 addresses. According to our analysis of all the public data, 11, Napier Street, Mountain Ash is the 18th largest and the 21st most expensive property on the street.
When compared to the postcode district it is £56k less expensive than the average property in CF45.
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Schools Nearby
Public Transport Nearby
The closest station to 11, Napier Street, Mountain Ash is Mountain Ash station, which is 200 metres away.
- 200mMountain Ash
- 1.3kmFernhill
- 1.8kmPenrhiwceiber
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
