If you are looking towards having a professional job done, especially for a conservatory roof, then it is a better idea to hire the services of an accredited conservatory roof installer.
use an online free quotes service like this one to find out
In contrast, the Home Improvement Survey from HSBC reports more positively on the benefit to the value of your property of adding a conservatory (get quotes here: compareconservatorycost.co.uk
You can make the most of your conservatory and tailor it to your needs so if you have little ones then why not turn it into a play area for them where they can keep their toys, this will mean less mess in the bedrooms.