Can my housing association legally cap off my gas????

Can my housing association legally cap off my gas????
Just wondering what others make of this.
Im in the process of a mutual exchange and after speaking to my housing officer today i am not happy to hear that on the friday the day before we exchange homes the housing association will attend the property and cap off the gas. This means that myself, my husband and my 2yr old daughter will be without heating, hot water and gas to cook on all night and part the following day, it will continue to be capped off until the monday when they'll come back and reconnect so this means the new tenant and her son will be without for 2 days.
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Tenders|Government Tenders

Nice name, but it's taken. A Woody Allen spy-spoof movie from 1966 is titled, "What's Up, Tiger Lily?" Here's a short summation from Turner Classic Movies
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Tigerlily