11 Oct landing alarm pad

Proposing to locate pad as per your last paragraph on rhs of so called radiator wall.
Fan isolator will be above bathroom door. Bathroom light switch to right of bathroom door. Alarm pad located to left of bed 5 door matching light switch distance to door. Landing thermostat located on opposite wall at top of stairs to avoid radiator.
Bathroom thermostat located next to bathroom light switch. Position will be between switch and redundant channel you can see in the photo.

Bell box

Premier installer has agreed location of front bell box on bricked side of front bay because of cladding being installed on all upper front surfaces. OK? Or do you prefer location on front facing cladded wall more visible from Ashley Road? Current location shown as coiled wire on upper centre of photo.