Where to find fat free products in the UK?

Tesco:
Meadow Churn Virtually Fat Free Quark
Oat bran
Reduced fat Tesco Value Cocoa powder (great for desserts or even to add to the oat bran galette)
Light Choices fat free fromage frais

Sainsbury's:
Virtually fat free quark 
Be Good to yourself, natural cottage cheese, less that 2%fat

LIDL:
0.1% Fat Linessa Natural Yogurt
0.4% Fat Linessa Cottage Cheese
Chicken breasts 1kg for £6.99
Chicken thighs and whole chicken are always at good price

ASDA:
Longley Farm virtually fat free cottage cheese

Polish Shops:
You can find fat free cheese varieties. Ask the shop assistant.

Fat free yogurts you can find in most of the supermarkets. 
Some brands that do fat free yogurt:

• Yeo Valley
• Total
• Onken
• Rachel's

Do be careful, because most of the fat free products have high sugar concentration.