Which areas of Cardiff and Newport are greenest?

Despite Cardiff being marginally greener than its smaller counterpart, only 4 out of 37 Cardiff parishes could be said to be relatively green (where roads average 30% or more greenery), while 14 could be said to be not very green at all (less than 15% vegetation).

In Newport, 4 out of 17 parishes could be said to be relatively green, just like Cardiff, while 4 parishes could be said to be not very green at all.

In Cardiff, Old St Mellons is the area with the greenest streets. In this area, 7 out of 41 roads are relatively green, while 18 would count as not very green at all. On average, there is 35% vegetation visible at ground level on these streets. It’s followed by Lisvane with 32% greenery, and then Pontprennau, where the streets have, on average, 29% vegetation.

Perhaps unsurprising to people who know the city, Riverside is the least green area. In Riverside, only 1 out of 73 roads would qualify as being relatively green, with the majority of roads having no vegetation (less than 1%). Cathays, Splott and Adamsdown follow Riverside, and all have less than 10% vegetation, on average, along their streets. These areas are mostly highly built-up areas with very few public green spaces, trees and shrubs. Roath is fifth lowest, with 10% vegetation along the streets, on average.

Distribution of vegetation in Cardiff parishes

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In Newport, Langstone is the area with the greenest streets. In Langstone, 18 roads out of 43 are at least relatively green, while only 11 could be said to be not very green at all. On average, the streets in this area of Newport have 35% vegetation visible at ground level. Langstone is followed by Graig with 25% greenery, and then Rogerstone where the streets have, on average, 24% vegetation.

There is just one area where there is less than 10% vegetation on the streets – Victoria. Here, 80 out of 86 streets would count as not very green. After Victoria, St Julians and Stow Hill have 11% vegetation, and Pillgwenlly has, on average, 12% vegetation.

Distribution of vegetation in Newport parishes

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Explore the levels of vegetation in your parish in Newport or Cardiff