Window sill boards - A or B?

I tend to think that about the same in overhang at the front as the return, so you end up with a square at the return.

Mr. HandyAndy - Really

 

Also look at other windows in vacinity to see how they have been done

 

Oh yes. Much less if needed.

Mr. HandyAndy - Really

 

I will get some pictures uploaded up this evening.

The original ones had a 100mm/4" return.

 

http://s1383.photobucket.com/user/JitenderG20/library/Replacement Crittal type windows?sort=3&page=1