It appears Japanese premium marque Lexus is expanding its SUV range, with the production version of the striking UX concept and a seven-seat version of the popular RX in the works, according to a new report out of the UK.

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Autocar reports the company has already filed patents for UX model names – including UX200, UX250 and UX250h – which is set to replace the ageing CT hatch.

The British publication expects the UX's styling in production form to be less extreme than the concept, though aspects like the front grille and angular styling will be adapted to the final product.

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Above and Top: 2016 Lexus UX concept

Going by the model names that are in the patent process, expect a mix of petrol and petrol-electric hybrid powertrains to be offered as well.

The production version of the UX is expected to debut sometime later this year or early in 2018.

Meanwhile, Autocar reports Lexus is also planning a three-row version of the RX SUV, set to take on the likes of the Volvo XC90 and Range Rover Sport when it makes its debut likely later this year.

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Above: Lexus RX200t F-Sport

It's believed the new model will be offered in both RX350L and RX450hL trims – in line with the regular version minus the turbocharged 200t variant – and will go on sale (in Europe at least) in 2018.

Speaking with the British publication, Toyota boss Karl Schlicht said: "We would see other SUV developments before we’d see another coupe – that’s my guess".

"Once the coupes have done their job, we need to further refine the SUV range," he added.

Are you keen to see the Lexus UX and RX L in Australia? Let us know in the comments below