Your lintel will need to rest on something and it is usually at least 200 mm of brick, it doesn't seem there is enough space on the right side for…

The structural changes requires the plans and details to be certified by an Engineer, Building surveyor and amended by Council.
It is best to tackle the job properly.
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Hi Mick
Let me start by saying, I'm not an engineer. I'm a carpenter who has done this many times, though yours is looking more complex than the standard wall opening.
There…