Hello,   Does adding the following to the bottom of an email make the T&C binding?   "Works carried out by XXX Ltd are carried out in strict agreement to our Terms & Conditions. (copy available on request)"   A bit of context.    We had a builder do some work, its not gone to plan. They are now asking for more money stating that the original price was a 'budget' (it was stated as a budget) and their T&C state then can change the amoun