On our house, we have a small side window that lets in hardly any light, and we want to cover it with a wall unit. It’s also single glazed, and as such, a perfect entry spot for burglars and escape point for heat. That window’s got to go. Luckily, I am a bricklayer, and can do this fairly easily. Even luckier – I’m going to give you my top tips that can be applied to all kinds of brickwork yourself. Mucking about with the fabric of your house is a serious business, so make sure you have answers to all these questions before you start. The job I’m doing is a solid, bare brick wall with imperial brick sizes. Don’t worry, I’m about to explain the jargon. Knowing this at the start affects the gear I’m buying, the tools I’ll need and the techniques I’ll use. 1. Is the surface rendered, pebble-dashed or bare brick? If your outer wall is rendered or dashed, I’d recommend getting a builder to match the outside surface. You can still do the fun part (the bricklaying), but leave the finish for the professionals. If the surface is bare brick, you’re good to go. 2. Is the wall solid or cavity? Many older buildings use ...