In April 2022 I chose to build my own house extension, with no experience but with delusional confidence, I started work by demolishing the existing house extension. The old extension was cramped, dark and had no insulation, it didnt even have a cavity between the inter and outer brickwork. I chose to keep the bricks for the new extension, so slowly deconstructed the walls brick by brick. Building regs required a minimum of 1m depth and 600mm width footing. So after lots of digging and concrete