This was the best I managed to put together, you could probably do better. The builds I saw seemed rather outdated (lots of 11th gen, for example).
(I have no idea of a suitable monitor so I just picked one, you have about £180 in the budget based on my build)
OcUK Tech Labs Intel 12th Gen Midi Gaming PC Configurator
Configurable Gaming PC featuring Intel LGA 1700 chipset, B660/Z690 motherboard, DDR4 compatible.
Windows 11 Optional
£1,518.87 (incl. VAT)
*Build* Intel Core i5 12400F up to 4.4GHz Turbo - Six Core, Twelve Thread Processor
Asus Prime B660M-A WIFI D4 - Intel B660 DDR4 Micro ATX Motherboard
Corsair Vengeance LPX 32GB (2x16GB) DDR4 PC4-25600C18 3600MHz Dual Channel Kit (CMK32GX4M2D3600C18)
Asus GeForce RTX 3060Ti Dual Mini V2 OC LHR 8GB GDDR6 PCI-Express Graphics Card
WD Blue SN570 1TB SSD NVME M.2 2280 PCIe Gen3 Solid State Drive (WDS100T3B0C)
Seasonic Focus GX-750 750W 80+ Gold Modular Power Supply
EK Water Blocks EK-AIO 120 D-RGB All In One CPU Water Cooler - 120mm
Kolink Castle Midi Tower Case - Black
Operating system: no selection
MSI OPTIX G241 24" 1920x1080 IPS FreeSync 144Hz 1ms Widescreen LED Backlit Gaming Monitor
