I shouldn't be surprised if that beam was cracked from day one.
Personally I wouldn't be bothered replacing it; it does't seem to carrying too much load, and the reinforcing wires will keep it together.
(Note: if it's a Boot lintel (which goe through to the outer skin) the steel wires may be susceptible to damp and therefore rust-problems, in which case it probably should be replaced)
It’s a time issue. Especially finding a builder at short notice to stick a steel in.Correct.
And if your at that level of refurbishment why wouldn't you replace it.
you could call Catnic tech dept with your pics and length of the existing conc lintel (probably about 10ft) and get a suitable replacement lintel.
dont try and replace it on your own. professional help is best.
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