It would probably actually be a good idea to do both (since the UK also has some other proposed HVDC links to Europe). That creates redundancy, having different

It would probably actually be a good idea to do both (since the UK also has some other proposed HVDC links to Europe). That creates redundancy, having different paths, as well as opening the generation up to a wider market. It's actually not a bad idea to run a long HVDC through the ocean - they're very low-loss and it's frankly easier than running transmission over land given all the property rights etc. you need.