How can I check what work has been done?

[joni os]

So much wrong at many levels:-
1. client should know what he wants and get prices to drawings and specification.
2. If client is unsure he should engage professional to explain options and give recommendation.
3. The contract documents should be mutually compatible, allowing builder to know extent of work from day one.
4. where anomalies arise there should be an appointed person to clarify on behalf of the client, if client is unavailable.
Sit down with your builder, apologise for expecting him to work from a crystal ball and agree a detailed schedule of work.

 

[julesverne]

Dont trust builders at all. So many of them say they are getting a plumber and do it themselves so it would be advisable to ask for the installers gas safe registration details to check he is on the gas safe register

 

[stevetheplumber]

i always list what im doing the make and model of the major components boiler cylinder controlls etc and then give an all in price anyone wants it broke down further can whistle im a profesional i pick matierials i know are reasonable quality as much to save me call backs and to give them a reliable system
if they want a cheaper quote then the can have poorer quality stuff but my warranty gets shorter as well labour cost will remain the same or could even increase if i know the components they have choosen are harder to fit like a worcester instead of a vailant or ideal