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20 Duffryn Close, Cardiff, CF23 6HT

How much is 20 Duffryn Close, Cardiff, CF23 6HT worth?

Estimated value — November 2026

£254,000

Likely range £200,000 – £321,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale June 1999

59%

confidence

Medium

Typically within 10% of the sale price

Property details

Flat / Maisonette

Duffryn Close · Cardiff · CF23 6HT

73 m²786 sq ftFloor area
1996-2002Built
Mains gas boilerHeating

Energy performance

Current ratingC74
PotentialC77

Mains Gas (Not Community) · EPC 9888-3920-6240-5918-4974 · inspected October 2018

Address

District
Cardiff
County
Cardiff
See house prices in CF23 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k20002002200420062008201020122014201620182020202220242026£254,000

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£87,440£75,968 – £103,477
2001£103,009£88,774 – £119,928
2002£128,621£109,702 – £149,930
2003£152,780£128,997 – £179,205
2004£189,095£158,138 – £223,565
2005£192,209£159,467 – £228,112
2006£197,530£162,866 – £234,858
2007£201,186£164,765 – £240,010
2008£176,676£143,485 – £211,958
2009£174,397£140,509 – £210,381
2010£171,119£136,935 – £207,670
2011£174,113£138,929 – £212,607
2012£171,752£136,915 – £210,958
2013£175,270£139,512 – £216,878
2014£190,576£151,583 – £236,868
2015£195,436£170,200 – £226,747
2016£204,655£176,628 – £239,430
2017£214,755£183,664 – £253,331
2018£218,727£185,349 – £260,140
2019£221,434£185,910 – £265,510
2020£221,380£184,132 – £267,595
2021£241,378£198,877 – £294,111
2022£262,873£214,530 – £322,855
2023£255,857£206,802 – £316,722
2024£256,696£205,471 – £320,253
2025£256,002£202,912 – £321,873
2026£254,000£200,000 – £321,000

Sale history

1995Sold
£35,000
1999Sold
+109%£73,000
2026Today — estimated
+248%£254,000

Mortgage calculator

£1,363

Estimated monthly repayment

£228,600

Loan amount

£262,164

Total interest

£490,764

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

20 Duffryn Close, Cardiff, CF23 6HT is a flat on Duffryn Close in Cardiff. Stede's estimated value for November 2026 is £254,000. Four in five similar homes sold within their likely range when tested; for this property that range is £200,000 to £321,000. 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 3 similar homes in the same postcode (25%). The confidence score is 59 out of 100 (medium): estimates like this one are typically within 10% of the eventual sale price.

It last sold in June 1999 for £73,000. It has 2 sales on record, the earliest in 1995. The current estimate is 248% higher than that price. The current owner has held it for about 27 years.

Its EPC energy-efficiency rating is band C (74 out of 100). The certificate records a total floor area of 73 m² (786 sq ft). It was lodged in October 2018.

The modelled value is down 1% over the past year and up 6% over the past five years.

Among 10 nearby properties Stede tracks in the CF23 area, estimated values run from £237,000 to £276,000. This flat's £254,000 sits around the middle of that range.

Common questions

How much is 20 Duffryn Close, Cardiff, CF23 6HT worth?

Stede estimates 20 Duffryn Close, Cardiff, CF23 6HT is worth £254,000 as of November 2026, within a likely range of £200,000 to £321,000. 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 20 Duffryn Close, Cardiff, CF23 6HT last sell?

It last sold in June 1999 for £73,000. There are 2 sales on record, the earliest in 1995.

What type of property is 20 Duffryn Close, Cardiff, CF23 6HT?

It is recorded as a Flat / Maisonette on Duffryn Close in the CF23 postcode area.

What is the EPC rating of 20 Duffryn Close, Cardiff, CF23 6HT?

20 Duffryn Close, Cardiff, CF23 6HT has an EPC energy-efficiency rating of band C (74 out of 100). The certificate records a floor area of 73 m² (786 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 59 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 10% 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 3 similar homes in the same postcode (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 39,841 real sales of similar homes.

  • Recent price per m² in the same postcode, for its 73 m²£254,14150%
  • Its sale in June 1999, brought up to today with the House Price Index£249,86525%
  • 3 similar homes sold recently in the same postcode£257,10925%

Estimate £254,000, likely £200,000 – £321,000

Read the full methodology and data sources →