The only thing necessary for the triumph of evil is for good men to do nothing
There is a good DIY shop in Putney and a first class Dyas store. A savvy Internet marketer could talk to people like that to see what sort of price a customers in Putney Hammersmith or Fulham would pay for it.
Keep on resourcing useful products that British RS members could sell in our area if there is a good market for the product in UK. Great work! You have not lost many of your brain cells from advancing age have you?