This list of the tallest buildings and structures in Belfast ranks buildings and structures in Belfast, Northern Ireland by height. There are at least 10 structures in the city taller than 80 m and there are at least 36 habitable buildings in the city taller than 45 m.

Tallest by category

Belfast's tallest structures

These lists rank the 8 tallest structures in Belfast by total height.

Belfast's tallest habitable buildings

This list is the tallest habitable buildings in Belfast by architectural height.

Tallest non-habitable buildings

List of tallest non Habitable buildings over 45m tall in Belfast. Non-Habitable building refers to a building where most of the height is taken up by an architectural feature which is not habitable such as a spire, or storage space.

Tallest demolished

Tallest buildings and structures in Belfast over 45m to have been demolished.

Potential tall buildings in belfast

Section covers buildings and structures under construction, had planning permission approved and have been proposed for Belfast. Exact heights stated in this section are taken directly from building plans found at and most recent approvals are announced online, where older ones are found in the previous reference.

Under construction

This lists buildings that are currently under construction.

Approved

This lists buildings that have been given planning permission to be constructed in Belfast.

Proposed

This lists buildings that have only been proposed to be built in Belfast.

List of unbuilt buildings

Table of tallest proposed buildings that never came to fruition, either due to planning permission or financial issues.

History of Belfast's tallest building

Table of the history of the tallest building in Belfast by Architectural height