Just had a look back through the last MOT recorded mileage to see how little I use it. Flip side it hasn't cost me a fortune in derv.
2016 = 1,248 miles - approx. 250 litres
2015 = 437 miles - approx. 90 litres
2014 = 1,722 miles - approx. 350 litres
Reckon I'll be OK with the 3k mileage limit on the insurance policy