The first thing you need to do is look at where the central heating pipes are coming from.
For example, do they come up from the floor or out from the wall? Do they run along the wall or come straight out?
This will be different for every home and there are a few unusual cases to keep an eye out for too!
Remember: If you’re simply replacing an existing radiator without moving the position, the pipework won’t change. So, checking the pipework is easy. Just look at where they are currently coming out of the wall or the floor.
But you might be getting a new radiator and installing it in a different part of the room to your existing one. If that’s the case, you can choose where you want your pipework to come from. Or, ask your plumber where they would advise before you choose your valves.