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Question DetailsAsked on 5/2/2014

Approximate cost of building a porch on my existing deck

The deck is 16x12 in size and is in good shape. I want to have a porch with a shed roof and no screening on this deck. The work involved is, replacing current posts and railings. The 4 of the new post will be 6x6 and driven into the ground and concreted extending up to the roof. 2 of these 6x6 will provide support to the rafters.The rafter will be screwed into the brick wall thus avoiding any sheet rock work. The remaining 7 posts will be 6x6 going from the deck to the roof. The gate on the deck will also have to replaced. I want to install vinyl soffit on eaves, aluminum coils on facia boards, ply bead boards on ceiling, lattice strips on bead board butt joint, and 1 seamless gutter with downspout. We are not doing any electrical work. The roof will be 30 yr architectural shingles.
I live in Charlotte, NC. What should I expect to pay in price/sqft for a project like this?

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1 Answer


Sounds like you need an architect, who can also give you a cost estimate - your "design" seems lacking - both in number of posts (or size if only 2 posts are to support rafters on 12 or 16' wide and extension roof) - and tying directly to brick wall with a roof like that is definitely a no-no in most cases, unless it is brick over concrete or brick facade over studwall that the base wall can be tied into.

Rough ballpark for screened porches without high end interior finish or electrical (realize you said unscreened, but is basically what you are doing) around $40-80/SF, so roughly $7-15,000 likely cost range, depending if done with "interior" quality finishes, or "exterior" quality, and higher end if hurricane or snow country and design has to be heftier,especially roof. Watch code on lighting - you will probably have to install at least interior lighting from one fixture (maybe wall mount over door to house) to meet code.

Answered 6 years ago by LCD

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