See an adviser have him/her find a suitable mortgage deal.

You should then have a mortgage in priciple where by the lender agrees to lend (x)as long as the information you have given is correct.

Once you know what your looking at price wise, give your solicitor a call find out how much conveyancing fees are likely to be.

Look about until you see something your interested in, view property etc.

Arrange a valuation on the property, your solicitor or IFA may well have a firm that they can recommend...failing that its a case of finding a local firm.

Once satisfied with the valuation/survey, you are then ready to submit an offer, working with your Solicitor & the selling agent.