1.6 bar is not good for unvented. As I said above, around that pressure you need a breaker tank and pumped mains with accumulator.
So his suggestion of 'making up' a breakter tank in loft level 2 is not an unsensible one?
In his defence he has not confirmed if this is what he is going to do but said he will look into it more for me and come up with the best solution based upon the space that I have.
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Ok when he’s here next week get him to fill this out
Pressure static (no outlets open eg just the pressure gauge open)
Pressure dynamic (one additional outlet open)
Flow static (one outlet open)
Dynamic (two outlets open)
Sure - will do.