It is due a repot in the spring (last done in 2018), but the 'tiredness' is really just the leaves being tatty and worn out after a long summer.Just my opinion: If it looks tired it may be in need of repotting in the Spring?
Nice colour @TomB what are you using for your background? how have you got it setup to take these photos?Shohin Berberis thunbergii 'Dart's red lady', last flush of colour as the leaves start dropping off. Looking a bit tired this year but still a nice colour.
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Nice colour @TomB what are you using for your background? how have you got it setup to take these photos?
@leatherback haha sorry here's my Crap Apple against an awful background!: