Knock the 1 of the price and you may be closer to what it's worth.
The small bits of welding will be far more than you think too.
I'd be leaving it where it is at that price and buying this,near enough a years test and taxed,needs no work for £1650 ono.No brainer really
http://www.seriesoneturbo.co.uk/showthread.php?t=35753
There's a blue one on there in need of work for 600ish too,can't remember the exact figure and it's not selling either.