Thanks. The option of replacing them did not occur to me, nor suggested by them. But I'm sure it's something they would do, and I'll bring it up with them. I'll also check out your other recommendation.
Just joined forum. My 2009 Freelander 2 has rusty subframes, though at advisory stage only at the moment. My otherwise excellent independent 4 x 4 place does not deal with this kind of repair/treatment and I need advice re Sussex or Kent based...