Have a busy day tomorrow so had to treat myself a day early, but what a game changer this is, I also have a multi tool for cutting but for house bashing this is the mutts nutts. I used it today to cut an access hole in chipboard flooring and set it to 19mm! Very impressed.
https://www.screwfix.com/p/titan-ttb689csw-500w-85mm-mini-circular-saw-230-240v/9591p
https://www.screwfix.com/p/titan-ttb689csw-500w-85mm-mini-circular-saw-230-240v/9591p