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Should I Build My Addition As a Second Story or Continue On Ground Level?

By , About.com Guide

Photo of Addition Under Construction

Photo © Lee Wallender, licensed to About.com

Question: Should I Build My Addition As a Second Story or Continue On Ground Level?
Answer: It's a question debated by all home renovators: "When I build an addition, is it cheaper to build it as a second story or as a continuation of the ground level?"

All considerations being equal, it's cheaper to build it as a second story rather than continuing onto ground level. Ground equals foundation, and foundation equals big bucks spent digging. And heavy machinery in your backyard (or crews of men digging by hand). Then more digging. Foundation work drives up addition costs in a big hurry.

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