I have 4 chicks that are about 6 weeks old and they have been living inside an enclosure inside the house but I have decided they need to live outside and sleep inside. The problem with that is I live in the UK and the temperature around this time of year is about 14 Degrees Celsius (55 Degrees Fahrenheit) it also rains a lot here. I have built an enclosure for them outside which has an area which shelters them from them elements but I am still worried about them getting too cold. Any tips about the enclosure? Should I keep a heat source for them outside or not? Any feedback would be appreciated.