I think you may have not given us enough context. To me, "There's a growing need for new housing in this area" means simply that the need for additional new housing in the area is increasing. We do not know why the need is increasing and nothing in the sentence makes me think of government or the need for a policy.
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bepleasedIn which the noun ---need is the need of something that is necessary for some thing else; or is the need of something that is able to desire some thing else; or is the need of something that is very useful for soem thing else.Between the three, I think the first one (with "necessary") best applies to the original example sentence.