This is a list of the tallest buildings in Cardiff that are in height and above in the capital of Wales. They include buildings ranging from the ornate civic centre to the historic Cardiff Castle and Llandaff Cathedral.
The city's growth is reflected in its growing skyline. As is the case with many British cities, some of Cardiff's skyline comprises 1960s and 1970s residential and commercial tower blocks. However, current development trends for high-rise buildings include upmarket apartments and office space.
Cardiff is the largest city in Wales and has the most tall buildings in the country. Designed by Rio Architects, the tallest building in Cardiff is Bridge Street Exchange at . It replaced Capital Tower in 2018, which, at , which had been the tallest building in Cardiff since 1970.
Cardiff Council considers a tall building within the city centre and Cardiff Bay to be 8 storeys or more or from in height. Any proposals to the council for a tall building should "Generally be located within an existing cluster or form part of a proposal to create a new cluster (a cluster can be defined as a group of buildings which form a visual cohesion from more than one viewing point)".
This lists completed and topped out buildings and structures in Cardiff that are at least 45 metres. This includes spires and architectural details but does not include antenna masts.
Height figures are rounded to the nearest metre.
This lists buildings that are under construction in Cardiff and are planned to rise at least 40 metres. Under construction buildings that have already been topped out are listed above.
This lists buildings that have been approved for, but are yet to start, construction in Cardiff (over 40 m).