If the new housing replaces old housing, without adding any /many new units, it can certainly increase prices (new brand new apartment often costs more than a 2

If the new housing replaces old housing, without adding any /many new units, it can certainly increase prices (new brand new apartment often costs more than a 20 year old one). That isn't what you are talking about here, but some NIMBYs may think that is what is going on in some situations- in those cases, education is key to persuasion.