Have a look in this section.

More specifically, have a butcher's here, here and here. The latter two contain links to sites which will let you do a geographic search to find the closest engineer to wherever you are.

In terms of cost, it depends on what you want done. Using a semi-educated guess I'd say a full service would cost rather less than £200.

It'll certainly cost you a lot less than the equivalent service at Automotive Leisure

.