Hi Folks, hope you're all well. I've recently received full planning permission to build a new three storey end of terrace house in the side garden of my existing house in Leeds. There's a decent amount of space so the new house will be about 50% larger (about 200m2) than the existing 3/4 bedroom house. It will be just 6 metres from a 40mph road though. I'm thinking of using ICF because it's a MMC and it's quite airtight etc but mainly because it's good with external noise. Obviously I'll need h