My local screwfix southall has the following towel radiators at managers clearout.
both are TWIN PACK
2 Flat Chrome Towel Radiator 400 x 700mm is £44 somthing
2 Flat White Towel Radiator 400 x 700mm is £33 somthing,
both twin pack and both are managers store clearence.
please ring them to confirm this as i had a very quick glance.