With a bit of common sense of course you can. Would recommend electric heaters over gas though such as a small fan heater or an oil filled radiator. Just make sure the heater is sat on something stable away from anything that can catch fire. If you have kids/pets, then even more precaution is needed.
A day of all things motorhome and campervan. The show is held both in the main indoor arena and across the grounds. Catering, hot drinks and food options are available. Easy access to the site and free parking included. Win one of five pairs of day tickets