Friends of ours in Penylan had

https://juliusmupu403.summitviewdaily.com/posts/cardiff-city-centre-roofer-for-townhouses-and-flats-above-shops

Friends of ours in Penylan had the whole roof replaced on their big Edwardian place and it took about three weeks with scaffolding up. They said the worst part was the noise, but the house has been warmer ever since