Anonymous wrote:Depends on the details but in general it's going to require opening walls at a minimum, and re-brick-work around the openings.
If youmean really big enlargement, or enlarging first-floor windows on a 2-story house, the existing headers may not be sufficient. In that case, you're talking structural modification.
This is not easy. Somewhere between "wow, that's a lot more than I thought" and "might as well knock it down and rebuild."
Very useful information, thanks. Never thought it would be that complicated !