Similar to most people. However, if that 975W of kitchen/diner lights were on for an average of, say, 6 hours/day, that would work out at about £278 per year to light just that one room.
It sounds like the situation I inherited when I moved into my present house. Many of the rooms had multiple light fittings, each with multiple 60W candle bulbs fitted - such that, like yours, a good few rooms had not much less than 1kW of lighting! The first thing I did was change all the 60Ws to 25Ws, until the entire lighting system was rationalised. Now, some rooms that once had nearly 1kW of incandescent lighting probably don't have much more than 50W of LEDs!
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