Would just like to recommend Graham Sykes Insurance for anyone looking for a reasonable quote on their Nova.
Tried Adrian Flux first who wanted around £3K TPFT, then Sky who were unable to cover due to my postcode (not sure on the rating but its not the best), and HIC who were also unable to cover.
Was starting to get frustrated with companies who said they would ring back and never did. I tried Graham Sykes who were unable to give a quote immediately but said they would ring back...wasn't getting my hopes up but sure enough the same afternoon I received a phone call with a quote of approx £1500.
This may sound a lot, but at 21 with 0NCB, albeit a clean licence - fully comprehensive cover including commuting, on a 1987 Nova L with a tweaked C16XE and uprated suspension, wheels and brakes with all mods covered. More than happy with the service I have received from them so far