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Without a door to the kitchen you'll probably need to demonstrate how a sleeping person would still have 30 seconds to exit if there was a (big) fire in the (high risk) kitchen.
For us, this meant detailing the sensor/alarm and then having the automist (initially one, but they made us get two). Our kitchen to front door distance was further, but we had the added risk of a loft room.
'Defense' meaning water/foam/screening/etc. Or you could possibly detail a second fire exit through a window, etc.
what do you mean by this sorry?
edit. On this:
I don't think any of this will go to building control, just me giving a paper SoW to the contractor (likely a 1 man band)