hey mate! check out passionford which is a UK based site. this is a USA based site. They may be of more help than us yanks to your crazy plate and emissions/MOT checks.
That said, pumaspeed or somebody over on that side of the pond should be able to map your current ECU and loom (wiring harness) to run a turbo. youll need bigger injectors, the exhaust mani, turbo, down pipe, cat, and charge piping plus the various oil, vacuum and coupling fittings.