looking at the motability search for autos under 1000 ap the best i would say are the ateca and countryman the ateca that bit roomier i would say.
mitsubushi eclipse cross dynamic 4wd £999
mini countryman 1.5 cooper classic £999
mg5 elec est exclusive £999
mg hs exclusive £999
hyundai kona 1.6gdi hybrid se £999
skoda kamiq 1.5 tsi sel £995
c4 £995
octavia £945
seat ateca 1.5 experience £899
ford puma titanium £895
vauxhall grandlandx sri nav £799
qashqai £799
juke £799
toyota c-hr
thats a few working from the top end of 1k and assuming suv style needed like me.