Hihi, wanted to just say that if anyone is thinking of holding their wedding at the Arts House, I strongly recommend it.
Just met up with the events manager there to discuss the possibility of holding my solemnization in the Chambers (which is just beautiful) and a tea reception in the Blue Room. I think the Arts House is more flexible and accommodating both in terms of arrangements and pricing than they might have been in the past (going by the forum thread in SgBrides from 2 years ago).
I agree the in-house catering is more expensive than getting caterers from outside, but I think this could be made up for by the fact you get a better set-up, using porcelain plates and glassware instead of plastic/paper cups and plates, having fresh flowers for the floral arrangement etc. Besides, the caterer does have a florist they recommend, and this could cut down the hassle for you of having to scout for another florist, and pay for the rental during the set-up time.
Just sharing my thouhghts, hope this is useful to brides-to-be out there.