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I had lunch there a couple of months back - a welcomed alternative to Saf or Wagamama where I normally end up. As you'd expect (given the area it's in); Down to Earth is as posh as vegetarian cafes come - sandstone exterior, chandeliers and marble tables inside. Prices are sensible though and inline with most other raw cafes / restaurants. Staff were friendly and waiting times low - it was about 1/3 full when I went.
Raw meals are pre-prepared and displayed behind the counter. Whilst it's good to see what you're getting, you could taste the fact that they'd not been made to order (or at least properly chilled prior to service). They are definitely fresh, but not quite fresh enough. I opted for their lasagne, described as "marinated courgette pasta strips layered with portobello meat, rich tomato sauce, herbed cashew and yellow pepper cheese and pesto served with a side salad":
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I love carrot cake, which is probably why I was disappointed (to the point of leaving half) with the dessert:
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I don't love Down to Earth (yet), but will try it again. They do an evening menu (no prices on the website) so I might give it a go and opt for a cooked dessert next time.
sadly owner has been convicted of animal cruelty :(
http://www.harrow.gov.uk/news/article/142/organic_restaurateur_convicted_of_animal_cruelty