Archway lintel

[alwaysbuilding123]

Hi all

Ok in my house i have a living room seperated from the dining room by an archway, it used to be a door but was opened up in the 80's by a builder friend to a wide arch...

now i have had my reservations recently about wether or not it has a lintel, i have drilled small holes all the way up one side of the wall above the start of the arch hoping to hit concrete or metal but have not hit nothing just brick... what should i do to confirm it has or doesnt have support? Im a bit reluctant to chip off a section of render in case its in any way helping it stay up

Any help would be awsome

A

 

[Tigercubrider]

If it is still up, I doubt that it's going anywhere?
Was it a supporting wall?

 

[alwaysbuilding123]

Its supposed to be a supporting wall and the direction of the floor joists above do go in the right direction to suggest it is, i can only deduce it has a brick form arch in there but i dont want to strip render off to find put just in case

 

[cwhaley]

Any sign of cracking, sagging or movement? If not, why alter it given it's been up 30 years+?

 

[alwaysbuilding123]

There is a small crack in the render which i measured and marked about 3 years ago which hasnt got bigger, its what got me interested in what type of support it had

Its probably just your common render crack but it still concerns me a little