Nice one, spanks for the quick replys.
so get:
1 alarm panel (will put it up in loft, so no-one can fiddle with it)
6 PIRs (4 downstairs, dining, sitting, kitchen and hall) )1 in upstairs hallway) 1 in Loft conversion)
2 door contacts: 1 front, 1 back Door.
2 keypads, 1 wired downstairs, 1...