Cost $64,000Adds $33,920
Your estimate
Cost
$170,000
Adds at resale
$59,500
Recouped
35%
National planning figure: $170,000 cost, 35% recouped. Ranked #27 of 27 projects by ROI.
A ground-floor addition with a bedroom, walk-in closet and full bath is one of the biggest projects a homeowner can take on, adding a foundation, framing, roofing, HVAC and a complete bathroom.
Why it scores where it does
- Adds real square footage and a sought-after layout.
- Very high cost with structural, mechanical and finish trades.
- Appraisal is capped by neighborhood comparables.
Get the most from it
- Check zoning setbacks and lot coverage before paying for plans.
- Matching the existing roofline and siding keeps it from looking tacked on.
- Consider converting an existing space first.
Primary suite addition ROI by region
| Region | Cost | Value added | % recouped | Level |
|---|---|---|---|---|
| Pacific | $204,000 | $76,160 | 37% | |
| Mountain | $170,000 | $63,070 | 37% | |
| South Atlantic | $161,500 | $57,120 | 35% | |
| New England | $190,400 | $65,450 | 34% | |
| West South Central | $156,400 | $51,765 | 33% | |
| East South Central | $153,000 | $49,980 | 33% | |
| Middle Atlantic | $187,000 | $60,690 | 32% | |
| West North Central | $166,600 | $52,360 | 31% | |
| East North Central | $168,300 | $51,170 | 30% |
Frequently asked questions
Is a primary suite addition worth it?
If you need the space and plan to stay, it can be. As a resale investment it recovers only about a third of its cost.
How long does a primary suite addition take?
Expect three to six months of construction after permits, which can take weeks to months.