Stede Logo

Stede

21 Llwyn Y Grant Road, Penylan, Cardiff, CF23 9HL

How much is 21 Llwyn Y Grant Road, Penylan, Cardiff, CF23 9HL worth?

Estimated value — November 2026

£646,000

Likely range £455,000 – £922,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale December 1999

35%

confidence

Low

Typically within 16% of the sale price

Property details

Detached house

Llwyn Y Grant Road · Cardiff · CF23 9HL

Address

District
Cardiff
County
Cardiff
See house prices in CF23 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£200k£400k£600k£800k£1m20002002200420062008201020122014201620182020202220242026£646,000

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£232,013£201,425 – £280,701
2001£263,477£226,576 – £310,155
2002£317,631£269,335 – £375,592
2003£361,031£301,771 – £430,470
2004£427,981£352,870 – £517,557
2005£427,583£347,838 – £523,102
2006£444,222£357,556 – £546,769
2007£454,030£361,839 – £563,059
2008£407,548£321,000 – £509,925
2009£412,622£320,674 – £522,309
2010£422,460£324,666 – £539,431
2011£430,228£327,024 – £556,074
2012£424,053£321,210 – £553,044
2013£433,447£326,140 – £571,707
2014£470,034£351,970 – £627,243
2015£485,151£399,086 – £609,518
2016£499,985£405,744 – £636,165
2017£518,018£414,635 – £667,409
2018£538,286£424,890 – £702,147
2019£549,579£427,710 – £725,682
2020£562,325£431,395 – £751,522
2021£607,221£459,105 – £821,252
2022£663,097£494,000 – £907,447
2023£643,229£472,066 – £890,563
2024£644,911£466,150 – £903,225
2025£647,212£460,638 – £916,817
2026£646,000£455,000 – £922,000

Sale history

1999Sold
£206,000
2026Today — estimated
+214%£646,000

Mortgage calculator

£3,467

Estimated monthly repayment

£581,400

Loan amount

£666,763

Total interest

£1,248,163

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

21 Llwyn Y Grant Road, Penylan, Cardiff, CF23 9HL is a detached house on Llwyn Y Grant Road in Cardiff. Stede's estimated value for November 2026 is £646,000. Four in five similar homes sold within their likely range when tested; for this property that range is £455,000 to £922,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 15 similar homes in the same postcode sector (25%). The confidence score is 35 out of 100 (low): estimates like this one are typically within 16% of the eventual sale price.

It last sold in December 1999 for £206,000. The current estimate is 214% higher than that price. The current owner has held it for about 27 years.

The modelled value is unchanged over the past year and up 8% over the past five years.

Among 10 nearby properties Stede tracks in the CF23 area, estimated values run from £588,000 to £690,000. This detached house's £646,000 sits around the middle of that range.

Common questions

How much is 21 Llwyn Y Grant Road, Penylan, Cardiff, CF23 9HL worth?

Stede estimates 21 Llwyn Y Grant Road, Penylan, Cardiff, CF23 9HL is worth £646,000 as of November 2026, within a likely range of £455,000 to £922,000. 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 21 Llwyn Y Grant Road, Penylan, Cardiff, CF23 9HL last sell?

It last sold in December 1999 for £206,000.

What type of property is 21 Llwyn Y Grant Road, Penylan, Cardiff, CF23 9HL?

It is recorded as a Detached house on Llwyn Y Grant Road in the CF23 postcode area.

How reliable is this estimate?

The confidence score is 35 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 16% 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 15 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 5,203 real sales of similar homes.

  • Its sale in December 1999, brought up to today with the House Price Index£710,88375%
  • 15 similar homes sold recently in the same postcode sector£451,60525%

Estimate £646,000, likely £455,000 – £922,000

Read the full methodology and data sources →