This is the simplest ask: each room must have one bulb and one switch. There must be no interference between rooms. How easy is this to achieve with Philips Hue?
The E27 starter kit contains one bulb and one dimmer switch (with no hub) but it is not clear on several points:
Question 1: How do you prevent one dimmer switch controlling lights in other rooms?
Question 2a: After installation, how do you pair a new replacement switch/bulb with the existing switch/bulb?
Question 2b: Most UK light sockets do not work with the screw fit (so the E27 kit bulb will not fit). Philips sells the bayonet bulb separately. How do we pair these sold-separately bulbs to the dimmer without a hub?