Cool Map
For some reason, the Central Statistics Office (CSO) doesn’t publish a map like this, so I decided to do it myself. It was a pretty good exercise in both research and learning how to manipulate GeoJSON and CSO data. I encourage you to zoom in and see if you spot any interesting patterns!
A few observations about this map:
- As we approach Dublin, Cork, or Galway, house prices increase. This pattern is most obvious around Dublin. Sadly, this is probably not due to the numinous beauty of Dublin. It just suggests that the areas adjacent to Dublin are where many commute to work.
- Ballyboughal (A41) is an outlier, relative to the areas surrounding it. From looking at the data more closely, only 9 houses were sold in this area in 2022. For whatever reason, the houses just happened to be quite expensive, i.e., above the €700,000 mark. The median price for Ballyboughal is usually closer to ~€500,000. Regardless, in 2022, Ballyboughal’s median house price was the highest in the country.
- For comparison, the average house price in each area is very similar to the median house price.
Making the Map
For what is supposed to be public data, finding the boundaries for each Eircode in Ireland was unnecessarily cumbersome. Here it is, in GeoJSON format, so nobody else has to search for it.
Here’s the data I used from the CSO. Note, I have already cleaned this data.