Nick Atty wrote:

Decoupled floor and ceilings (better noise insulation between floors)


That will make an enormous difference if you can afford the height.

It does not even need to take much height. I ended up with said
arrangement as a part of my loft conversion, simply by having new floor
joists slotted between the old floor/ceiling joists (but spaced above
their level by an inch). It in effect used one inch more depth of floor
than it would have otherwise.

--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/