There are construction works that I am thinking about conducting on an existing structure, and I am searching for bristol builders. The problem is that comparing various builders is not easy because there is always a difference in quotation for similar services and it is not clear what service package is provided. So what does one take into account when hiring such services? Was your project completed under a fixed price quote? Were you referred to the builder through some recommendations or reiews? It would be helpful if you told me something about any difficulties you may have encountered in this matter.