[LonePalm]

The old stuff like Saint Paul's, The Houses of Parliament, etc., yes, absolutely.

The stuff built in the 50s, 60s, & 70s, eh, not so much. It's not quite Soviet-style socialist brutalism but it's close. Here are two examples from the 60s. They aren't the worst I could find.

WWG1WGA

Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)

[little jeremiah]

Beautiful and harmonious buildings enhance civilization, the modern monstrosities engender anxiety and hopelessness. And probably cruelty.

[Bigg Red]

The Shard is horrendous.