Yes, also keep in mind that central london boroughs/tfl hate allowing roadworks as they want to keep congestion down, which makes it even more a pain in the ass

Yes, also keep in mind that central london boroughs/tfl hate allowing roadworks as they want to keep congestion down, which makes it even more a pain in the ass, AFIAK they charge pretty ridiculous rates per day per m^2 you block the road Especially if you have complex duct blockages that can take many days to fix.