Latest 12-month average
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
£325,598
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Old St. Mellons
Where is this area?
Boundary outlines for this location, using the same colours as the table and charts.
How do house prices compare?
Change over 1 year
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
−£1,014
Change over ~10 years
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
−£5,366
Homes sold (last 12 months)
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
89
Homes sold vs previous 12 months
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
−39
Number of postcodes
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
134
Peak month
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
FEB 2011 · £620,000
Most common price band
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
£200k – £300k · 68.4%
Detached average
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
£485,544
Semi-detached average
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
£281,751
Terraced average
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
£244,184
Flats average
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
£171,062
Detached share of sales
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
33.8%
Semi-detached share of sales
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
37.8%
Terraced share of sales
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
20.9%
Flats share of sales
Old St. Mellons
Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons
7.6%
| Metric | Old St. Mellons Cymru Wales / South Glamorgan / Cardiff / Old St. Mellons |
|---|---|
| Latest 12-month average | £325,598 |
| Change over 1 year | −£1,014 |
| Change over ~10 years | −£5,366 |
| Homes sold (last 12 months) | 89 |
| Homes sold vs previous 12 months | −39 |
| Number of postcodes | 134 |
| Peak month | FEB 2011 · £620,000 |
| Most common price band | £200k – £300k · 68.4% |
| Detached average | £485,544 |
| Semi-detached average | £281,751 |
| Terraced average | £244,184 |
| Flats average | £171,062 |
| Detached share of sales | 33.8% |
| Semi-detached share of sales | 37.8% |
| Terraced share of sales | 20.9% |
| Flats share of sales | 7.6% |
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.