Reviews of the Haven Inn are a bit varied but, as I read most of them, as long as you expect 'cheap and cheerful' (and not 'the Ritz for peanuts') it might well meet your friend's needs:
http://www.tripadviso...th_Wales.html#REVIEWS
The website is here:
http://esvc000027.wic056u.server-web.com/
(It's worth noting that the prices quoted are per room, not per person. 1 AUS$ = 64p).
The Manly Guest House, which is close to the ocean, might also be worth considering:
http://www.tripadviso..._New_South_Wales.html
Website:
http://www.manlyguesthouse.com.au/
Everyone seems to know about Wikipedia (and about Wikileaks!) but Wikitravel still seems to be little known. That's unfortunate, because it's an outstanding source of information:
http://wikitravel.org/en/Sydney
Official city tourism website:
http://www.sydneyaustralia.com/en/
Official state tourism website:
20:43 Tue 21st Dec 2010