knocking through doorway

Morning Everyone QQ relating to the above. We have purchased a 1890's 1900's renovation property in sunny Wales and we want to open up an internal wall in between two small rooms to make a larger living space. The previous owner or local builder just wallpapered over everything (including PVC...

Hi, i am knocking through a single skin brick internal wall. This is for a standard internal doorway. The span will be 800mm with 150mm bearing either end The wall is not load bearing and there is approx 900mm of brick above intended lintel. I have been advised to use robeslee 100 x 100mm type e...