Finding a proper rent work space in London can be daunting. Also you have to pay off large amount to get small property. However, if you are hunting for a place where you can find such property then I can suggest one good option and i.e. http://tinyurl.com/la9fhlf that could assist you to get affordable workspace. I have seen a range of offices, studios & workspace units in their database. Hope you will get your choice here. But if still you are not getting your expected workspace here, I think you should scroll down some more property selling websites.
£60,000 - £100,000
Approx. £45,000 - £50,000 - negotiable
Approx. £30,000 - £40,000 - Negotiable