Conservatory styles. Thinking the P shaped would be good, could have living space in part and greenhouse in part, or maybe two Edwardian, one connected to the house, one separate but easy to get to, for greenhouse.
http://www.qualityconservatoryroofinsulation.co.uk/ Conservatory Roof Insulation helps you reclaim your conservatory and start enjoying that extra space again. Invite all your friends over for dinner, throw a party or just put your feet up and relax. Conservatory ceiling insulation is stylish, energy efficient and can in most cases be installed within a day.
With the combination of all of the layers of insulation incorporated into your new conservatory roof insulation system you can expect U values as low as 1.61 w/m2K and thermal performance of 2.71m2K/w.