We got married in a reg office 9 years ago. Just before all sorts of other Civil venues took off, we just didn't want anything churchy.
Booked register office, for next available spring/summer Saturday. Booked in May, for the following April. Went to Bakewell, as it was out nearest town, but also very pretty! It seated 40, but we had many friends spliing down the stairs too. The registrar was fine with it.
Had to do all the displaying banns etc sometime in advance.
Stayed in hotel up the road. Got band from local college to do music. Reception in one of the few restuarants in Bakewell - with a river garden, so lovely. V few flowers due to hayfever, no balloons due to autistic nephew - no one noticed lack of these decorations!
No cars - town is tiny.
Godfather gave me away (Dad died a long time ago. I know it is odd to have a Godfather, yet still not want a churchy wedding).
Went to pub in the afternoon with my uncles and brothers, as restaurant was clearing away meal, and setting up for dancing.
Cost less than £5K, lovely day. My sister got married about 18 months earlier, and spent a similar amount on matchbooks!