i recently built a seperate vegging room which is well insulated,totally light proof and vented including a new 125w enviro lamp/reflector timers etc etc all for about 200 quid! had it running for a week now, by the way it is 4ftx2ft and approx 5ft tall. the average temp is around 21 degrees c. and only fluctuates a couple of degrees either way i have some fresh cuttings in there and some white widow seeds, i will post some pics when i get round to it will be this weekend