House prices in Old St Mellons
Median value — November 2026
£325,000
Modelled from 1,522 properties Stede tracks in Old St Mellons
Market snapshot
£325,000
Median value
£379,156
Average value
82
Sales in the last 12 months
+1%
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £84,608 |
| 2001 | £97,901 |
| 2002 | £121,399 |
| 2003 | £144,656 |
| 2004 | £178,209 |
| 2005 | £182,120 |
| 2006 | £191,541 |
| 2007 | £196,261 |
| 2008 | £174,761 |
| 2009 | £178,434 |
| 2010 | £180,230 |
| 2011 | £184,857 |
| 2012 | £185,320 |
| 2013 | £190,767 |
| 2014 | £208,795 |
| 2015 | £216,440 |
| 2016 | £224,332 |
| 2017 | £236,528 |
| 2018 | £245,946 |
| 2019 | £253,320 |
| 2020 | £260,695 |
| 2021 | £285,663 |
| 2022 | £318,236 |
| 2023 | £311,613 |
| 2024 | £315,964 |
| 2025 | £321,060 |
| 2026 | £325,000 |
Property types
- Detached house42%£436,000
- Semi-detached house30%£306,000
- Mid-terrace house21%£253,000
- Flat / Maisonette7%£167,000
- Property0%£792,500
Recent sales
- 14 George Crescent, Old St Mellons, Cardiff, CF3 6AH£475,000 · 2026£495,000
- 40 Ty To Maen Close, Old St Mellons, Cardiff, CF3 5EZ£305,500 · 2026£303,000
- 2 Llandaff Square, Old St Mellons, Cardiff, CF3 5UQ£320,000 · 2026£315,000
- 312 Church Road, Old St Mellons, Cardiff, CF3 6YT£375,000 · 2026£382,000
- 24 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ£292,000 · 2026£305,000
- 302 Church Road, Old St Mellons, Cardiff, CF3 6YT£190,000 · 2026£195,000
- 366 Church Road, Old St Mellons, Cardiff, CF3 6YT£262,000 · 2026£275,000
- 240 Church Road, Old St Mellons, Cardiff, CF3 6YL£260,000 · 2026£268,000
Addresses in Old St Mellons
- 1 Began Road, Old St Mellons, Cardiff, CF3 9XJ£352,000 · 2021£427,000
- 1 Boyce Way, Old St Mellons, Cardiff, CF3 6AB£179,995 · 2017£246,000
- 1 Chapel Row Lane, Old St Mellons, Cardiff, CF3 5ST£320,000 · 2014£477,000
- 1 Church Road, Old St Mellons, Cardiff, CF3 6YA£250,000 · 2018£323,000
- 1 Clos Hendre Gadno, Old St Mellons, Cardiff, CF3 5UJ£345,000 · 2018£509,000
- 1 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR£340,000 · 2025£352,000
- 1 Clos Winmill, Old St Mellons, Cardiff, CF3 6BE£299,995 · 2025£312,000
- 1 Courtenay Close, Old St Mellons, Cardiff, CF3 5UL£435,000 · 2017£622,000
- 1 Eurwg Crescent, Old St Mellons, Cardiff, CF3 5UT£182,000 · 2017£263,000
- 1 Ffordd Brynhyfryd, Old St Mellons, Cardiff, CF3 5XE£219,500 · 2006£325,000
- 1 Ffordd Crabtree, Old St Mellons, Cardiff, CF3 6AN£219,995 · 2018£278,000
- 1 George Crescent, Old St Mellons, Cardiff, CF3 6AH£362,995 · 2019£465,000
- 1 Hastings Crescent, Old St Mellons, Cardiff, CF3 5DF£565,000 · 2025£582,000
- 1 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF£510,000 · 2022£616,000
- 1 Heol Booths, Old St Mellons, Cardiff, CF3 6WA£250,000 · 2018£344,000
- 1 Heol Swatridge, Old St Mellons, Cardiff, CF3 6AP£315,000 · 2024£330,000
- 1 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ£300,000 · 2019£390,000
- 1 Lewis Crescent, Old St Mellons, Cardiff, CF3 6YQ£226,995 · 2021£259,000
- 1 Potter Street, Old St Mellons, Cardiff, CF3 6AR£285,000 · 2023£302,000
- 1 Rees Drive, Old St Mellons, Cardiff, CF3 6AS£279,995 · 2019£350,000
- 1 Rhodfa Hughes, Old St Mellons, Cardiff, CF3 6YY£321,995 · 2022£316,000
- 1 Rhodfa Leonard, Old St Mellons, Cardiff, CF3 6YW£304,995 · 2021£349,000
- 1 Rhodfa Lewis, Old St Mellons, Cardiff, CF3 6YP£397,000 · 2018£514,000
- 1 Rhodfa Purvis, Old St Mellons, Cardiff, CF3 6BB£465,000 · 2025£473,000
- 1 Rogers Avenue, Old St Mellons, Cardiff, CF3 6AL£325,000 · 2025£333,000
- 1 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX£390,000 · 2016£512,000
- 1 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS£340,000 · 2022£372,000
- 1 Ty To Maen Close, Old St Mellons, Cardiff, CF3 5EY£230,000 · 2009£471,000
- 1 Tyr Winch Road, Old St Mellons, Cardiff, CF3 5UU£235,000 · 2026£238,000
- 1 White Oaks Drive, Old St Mellons, Cardiff, CF3 5EX£300,000 · 2020£633,000
- 10 Boyce Way, Old St Mellons, Cardiff, CF3 6AB£179,995 · 2017£240,000
- 10 Chapel Row, Old St Mellons, Cardiff, CF3 5UB£272,500 · 2021£327,000
- 10 Church Road, Old St Mellons, Cardiff, CF3 6YA£254,995 · 2017£350,000
- 10 Clos Grehan, Old St Mellons, Cardiff, CF3 6BF£265,000 · 2024£269,000
- 10 Clos Hendre Gadno, Old St Mellons, Cardiff, CF3 5UJ£420,000 · 2023£450,000
- 10 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR£224,995 · 2020£323,000
- 10 Ffordd Crabtree, Old St Mellons, Cardiff, CF3 6AN£227,500 · 2025£241,000
- 10 George Crescent, Old St Mellons, Cardiff, CF3 6AH£354,995 · 2019£457,000
- 10 Heol Bennett, Old St Mellons, Cardiff, CF3 6AG£418,000 · 2018£553,000
- 10 Heol Booths, Old St Mellons, Cardiff, CF3 6WA£192,500 · 2021£233,000
- 10 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ£219,995 · 2019£277,000
- 10 Lewis Crescent, Old St Mellons, Cardiff, CF3 6YQ£259,995 · 2021£343,000
- 10 Potter Street, Old St Mellons, Cardiff, CF3 6AR£194,995 · 2019£250,000
- 10 Rees Drive, Old St Mellons, Cardiff, CF3 6AS£250,000 · 2025£278,000
- 10 Rhodfa Hughes, Old St Mellons, Cardiff, CF3 6YY£267,000 · 2026£284,000
- 10 Rhodfa Leonard, Old St Mellons, Cardiff, CF3 6YW£274,995 · 2021£302,000
- 10 Rhodfa Lewis, Old St Mellons, Cardiff, CF3 6YP£407,000 · 2020£529,000
- 10 Rhodfa Purvis, Old St Mellons, Cardiff, CF3 6BB£299,995 · 2025£315,000
- 10 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX£432,500 · 2017£625,000
- 10 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS£264,995 · 2021£319,000
About this area
Old St Mellons, in Cardiff, is a village. Stede can model 1,522 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, Old St Mellons has a median estimated value of £325,000 and an average of £379,156.
Modelled values in Old St Mellons are +1% over the past year and +15% over five years.
The market here is mostly detached houses, which make up 42% of the properties Stede tracks in Old St Mellons.
82 sales were recorded in Old St Mellons over the past 12 months.
Common questions
What is the average house price in Old St Mellons?
As of November 2026, the average estimated value is £379,156 and the median is £325,000 across 1,522 properties Stede tracks in Old St Mellons. This is not a formal market valuation.
Are house prices in Old St Mellons going up or down?
Modelled values in Old St Mellons are +1% over the past year and +15% over five years, based on the UK House Price Index.
What types of property are in Old St Mellons?
42% of the properties Stede tracks in Old St Mellons are detached houses. semi-detached houses are next most common, at 30%.
How many properties are in Old St Mellons?
Stede can model 1,522 properties in Old St Mellons, with 82 recorded sales in the past 12 months.
How does Stede calculate house prices for Old St Mellons?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →