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10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF

How much is 10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF worth?

Estimated value — November 2026

£280,000

Likely range £227,000 – £318,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale March 1997

66%

confidence

High

Typically within 8% of the sale price

Property details

Detached house

Austin Street · Mountain Ash · CF45 4AF

108 m²1,163 sq ftFloor area
1967-1975Built
Mains gas boilerHeating

Energy performance

Current ratingC74
PotentialB87

Mains Gas (Not Community) · EPC 9554-3046-9202-8635-8204 · inspected February 2025

Address

District
Rhondda Cynon Taff
County
Rhondda Cynon Taff
See house prices in CF45 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k20002002200420062008201020122014201620182020202220242026£280,000

Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from a recorded sale, and today it matches the likely range above.

View as a table
Modelled value at the end of each year, with any recorded sales
YearModelled valueLikely range
2000£65,084£55,610 – £74,786
2001£75,419£63,876 – £86,998
2002£86,237£72,427 – £99,827
2003£107,389£89,636 – £124,118
2004£140,460£116,660 – £162,055
2005£147,712£121,931 – £170,396
2006£165,162£135,271 – £191,043
2007£177,202£144,185 – £205,188
2008£153,059£123,810 – £177,857
2009£149,653£121,050 – £174,219
2010£148,390£119,945 – £173,312
2011£147,875£119,530 – £173,507
2012£144,554£116,876 – £169,508
2013£146,120£130,371 – £157,412
2014£158,002£139,956 – £170,941
2015£164,968£145,065 – £179,238
2016£171,854£150,014 – £187,513
2017£184,054£159,479 – £201,674
2018£189,222£162,740 – £208,209
2019£200,629£171,259 – £221,687
2020£217,019£183,854 – £240,798
2021£242,030£203,485 – £269,666
2022£272,705£227,520 – £305,102
2023£253,545£209,903 – £284,835
2024£270,450£222,158 – £305,074
2025£278,342£226,850 – £315,261
2026£280,000£227,000 – £318,000

Sale history

1997Sold
£59,000
2026Today — estimated
+375%£280,000

Mortgage calculator

£1,503

Estimated monthly repayment

£252,000

Loan amount

£288,999

Total interest

£540,999

Total repayable

A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.

Related properties

About this property

10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF is a detached house on Austin Street in Mountain Ash, Rhondda Cynon Taff. Stede's estimated value for November 2026 is £280,000. Four in five similar homes sold within their likely range when tested; for this property that range is £227,000 to £318,000. It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 22 similar homes in the same postcode sector (25%). The confidence score is 66 out of 100 (high): estimates like this one are typically within 8% of the eventual sale price.

It last sold in March 1997 for £59,000. The current estimate is 375% higher than that price. The current owner has held it for about 29 years.

Its EPC energy-efficiency rating is band C (74 out of 100), with a potential of band B (87) after the recommended improvements. The certificate records a total floor area of 108 m² (1,163 sq ft). It was lodged in February 2025.

The modelled value is up 1% over the past year and up 19% over the past five years.

Among 9 nearby properties Stede tracks in the CF45 area, estimated values run from £147,000 to £349,000. This detached house's £280,000 sits toward the upper end of that range.

Common questions

How much is 10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF worth?

Stede estimates 10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF is worth £280,000 as of November 2026, within a likely range of £227,000 to £318,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.

When did 10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF last sell?

It last sold in March 1997 for £59,000.

What type of property is 10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF?

It is recorded as a Detached house on Austin Street in the CF45 postcode area.

What is the EPC rating of 10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF?

10 Austin Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AF has an EPC energy-efficiency rating of band C (74 out of 100). Its potential rating after the recommended improvements is band B (87). The certificate records a floor area of 108 m² (1,163 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.

How reliable is this estimate?

The confidence score is 66 out of 100 (high). Tested against real sales of similar homes, estimates like this one are typically within 8% of the sale price, and four in five sold within their likely range. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.

How does Stede calculate this estimate?

It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 22 similar homes in the same postcode sector (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.

How we got this figure

We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 13,681 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 108 m²£262,58650%
  • Its sale in March 1997, brought up to today with the House Price Index£287,75725%
  • 22 similar homes sold recently in the same postcode sector£306,82225%

Estimate £280,000, likely £227,000 – £318,000

Read the full methodology and data sources →