25w Evolution aqua UV

Im looking at closing my pond down this year, East Sussex.. Eazypod Aqua Auto, 25w Evolution aqua UV, pump, 2x new UV bulbs, stainless steel waterfall blade with small pump, all pipework. Many large Koi 12" + not sure of the exact number i will get them all out the pond this coming week and take photos. Looking for offers around £1,000 the lot.