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29 Celyn Isaf, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8AN

How much is 29 Celyn Isaf, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8AN worth?

Estimated value — November 2026

£336,000

Likely range £275,000 – £409,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale February 1998

65%

confidence

High

Typically within 9% of the sale price

Property details

Detached house

Celyn Isaf · Porth · CF39 8AN

Address

District
Rhondda Cynon Taff
County
Rhondda Cynon Taff
See house prices in CF39 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k£500k20002002200420062008201020122014201620182020202220242026£336,000

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£76,305£65,803 – £88,423
2001£88,497£75,631 – £102,647
2002£101,276£85,825 – £118,265
2003£126,225£106,110 – £148,236
2004£165,241£138,130 – £194,135
2005£173,922£144,726 – £204,501
2006£194,638£161,009 – £229,403
2007£209,009£171,601 – £247,638
2008£180,692£147,476 – £214,759
2009£176,827£143,545 – £211,436
2010£175,490£142,588 – £210,632
2011£175,038£142,138 – £211,266
2012£171,261£139,142 – £208,078
2013£173,272£140,857 – £210,756
2014£187,532£167,423 – £211,597
2015£195,980£173,717 – £222,623
2016£204,347£179,831 – £233,685
2017£219,057£191,381 – £252,177
2018£225,417£195,502 – £261,217
2019£239,229£205,957 – £279,046
2020£259,016£221,342 – £304,101
2021£289,140£245,243 – £341,673
2022£326,094£274,509 – £387,827
2023£303,472£253,532 – £363,236
2024£324,018£268,633 – £390,298
2025£333,796£274,614 – £404,621
2026£336,000£275,000 – £409,000

Sale history

1998Sold
£72,000
2026Today — estimated
+367%£336,000

Mortgage calculator

£1,803

Estimated monthly repayment

£302,400

Loan amount

£346,799

Total interest

£649,199

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

29 Celyn Isaf, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8AN is a detached house on Celyn Isaf in Porth, Rhondda Cynon Taff. Stede's estimated value for November 2026 is £336,000. Four in five similar homes sold within their likely range when tested; for this property that range is £275,000 to £409,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 77 similar homes in the same postcode sector (25%). The confidence score is 65 out of 100 (high): estimates like this one are typically within 9% of the eventual sale price.

It last sold in February 1998 for £72,000. The current estimate is 367% higher than that price. The current owner has held it for about 28 years.

The modelled value is up 1% over the past year and up 20% over the past five years.

Among 10 nearby properties Stede tracks in the CF39 area, estimated values run from £225,000 to £396,000. This detached house's £336,000 sits toward the upper end of that range.

Common questions

How much is 29 Celyn Isaf, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8AN worth?

Stede estimates 29 Celyn Isaf, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8AN is worth £336,000 as of November 2026, within a likely range of £275,000 to £409,000. 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 29 Celyn Isaf, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8AN last sell?

It last sold in February 1998 for £72,000.

What type of property is 29 Celyn Isaf, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8AN?

It is recorded as a Detached house on Celyn Isaf in the CF39 postcode area.

How reliable is this estimate?

The confidence score is 65 out of 100 (high). Tested against real sales of similar homes, estimates like this one are typically within 9% 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 its own last sale brought up to date with the House Price Index (75%) and recent sales of 77 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 26,680 real sales of similar homes.

  • Its sale in February 1998, brought up to today with the House Price Index£335,63875%
  • 77 similar homes sold recently in the same postcode sector£336,41925%

Estimate £336,000, likely £275,000 – £409,000

Read the full methodology and data sources →