Water pressure? can anyone help. the dampen pressure in my house is especially poor....

can anyone help. the dampen pressure in my house is especially poor. according to my water provider, I should enjoy 7mtre standing head . can anyone recount me how I measure this
My stove oven won't come on?
Answers:    If you grasp 6.9 metres of pipe joined together and stand it vertically next you should get dampen coming out of the top if you connect it to the mains. If you receive it 7.1 metres high next it won't reach it.

To be serious 7 metres =.7 of a banister which is not great. Can buy a special bit of kit next to a pressure guage on that attaches to the tap to determine this if you want.
How do I budge in the order of...
DONT THEY DO THAT FOR YOU .SHORLY YOU DONT HAVE THE KIT FOR THE JOB.