Ive got water pouring from the right hand side of the block when i fill my radiator. Its a ford focus saloon 2001 2.0

Hi !
When you sat "Block" you mean from the radiator block or the engine Block.???
Its easier to repair radiarors.
If its the engine block .... cleck if the water is leaking from the side wall or there is a drain tap that is not closed properly..... this is near the lower portion of the block on the right hand side .....if it is from the drain tap then you are lucky... just tighten it...
else.....
you will need to find the exact place of leak and block it with an industrial adhesive.
This usuall happens when you try to fill the radiator with cold water while the BLOCK is still HOT. The metal cracks.

Regards
Berry.