Well, this is a UK-based site, so it doesn't seem particularly relevant. But the answer is 'yes'.
First, the site advertises LGBT+-friendly housing – it does not appear to discriminate on the basis of sexual orientation. Fortunately, "LGBT+-unfriendly" is not a protected class.
First, the site advertises LGBT+-friendly housing – it does not appear to discriminate on the basis of sexual orientation. Fortunately, "LGBT+-unfriendly" is not a protected class.
Second, the FHA does not apply to shared living units – see https://www.casebriefs.com/blog/law/property/property-keyed-...
IANAL or even an American for that matter.