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October 18, 2009
Maximizing Square Footage
Inquiring minds want to know..
-What constraints exist in lowering the foundation floor (unsure if it could even be called a "basement" since egress seems to exist at street level)?
- I am tasked with a foreclosure project and I'm hypothesizing converting a 3 story brownstone in Clinton Hill on Grand between Gates and Putnam into a 4 unit utilizing the street-level space; space I presume is currently part of the 1st floor (parlor?) layout.
- Does this seem do-able?
- Does any one know if any of these type of structures have been converted into 4+ residences? I suspect slicing an existing floor-thru into two studios isn't out of the question.
-Other concerns I should have? Thanks.
Comments
hire an architect
Posted by: eman1234 at October 18, 2009 9:34 PM
I'm an architect and I can speak to lowering the existing floor. First let's talk about basement vs. Cellar vs. first floor.
A basement floor level is lower than grade outside, but no so low that a point halfway between floor and ceiling is below grade. If that point is below, then it's a cellar. If you walk up steps or walk in right on ground level, then it's a first floor.
Now, regardless of which it is, you might be able to lower the floor slab some, without underpinning. If you lower it below your foundation walls or below your neighbor's, then you need to underpin the existing foundation(s), which is costly, if not slightly risky.
As for converting it into a 4-unit, there are a whole host of issues related to that; sprinklers, zoning, code, etc.
Best advice is to hire an architect to see the building and advise you on all of these issues.
Posted by: JimHill at October 19, 2009 11:49 AM
Thanks Jim.
Posted by: brmcnamara at October 19, 2009 3:39 PM
No problem. Happy to help.
Posted by: JimHill at October 22, 2009 12:11 PM
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