Cheers - looks like these roof bars are taken. Will know tomorrow, when I'll update the post.

Yep, unfortunately, although they're scrapping the Western extension of it (the bit I live in) after Christmas, and apparently the London Congestion Charge will be suspended "over the festive period between Saturday 25 December until Monday 3 January inclusive", so the roof bars could be picked...

London member? Lurked here for tips when I lived up in the sticks & had a Defender: rebalancing the karmic scales by offering a set of heavy duty silver 90 / Defender roof bars with all fitttings. Have a bunch of scratches on them, but are the real Tonka Toy deal. Free. Regular / prolific...