If you're not set on an SUV, our recommendation would be a Skoda Octavia estate. They're good value, pleasant to drive and have a massive boot. You can go newer than 10 years old for £10k, but not drastically so unless you opt for one with high mileage. With a more modest figure on the clock, it will be a 6-8-year-old example, most likely. If you go for a post-facelift car (with the split headlights), it should still feel quite modern, although the pre-update car has aged well also.