Kodama sounds like a plan!
To the question, well... or you can buy Anime DVDs frequently and tell your friends, people you know interested in anime, etc to do the same. One of the reasons Anime retracted over there so much was along with the other factors with the industry (contraction), not enough people buying DVD etc, the UK market simply is very small. It's hard to grow a market with such limitations and so much cost when there isn't a whole lot of revenue to justify it.
ADV and Anime Network tried, not only with trying to get a block there, but releasing a lot of DVDs there, spending a lot of money on the UK division, and it just didn't pay off, sadly.