In 2004 a report analyzed common remodeling projects and the value added at resale. Some examples for the Washington, DC market are below:
Bathroom Remodel: In Washington, DC the average bathroom remodel in 2004 cost $9,588 and added $10,192 at resale. That's a 106.3% return on investment.
Window Replacement: In Washington, DC the average window replacement in 2004 cost $9,359 and added $9,346 at resale. That's a 99.9% return on investment.
Attic Bedroom: In Washington, DC the average cost to convert an attic into a bedroom in 2004 cost $35,880 and added $25,654 at resale. That's a 71.5% return on investment.
Major Kitchen Remodel: In Washington, DC the average cost for a major kitchen remodel in 2004 was $43,393 and added $28,417 at resale. That's a 65.5% return on investment.
Roof Replacement: In Washington, DC the average roof replacement in 2004 cost $11,403 and added $12,538 at resale. That's a 110.0% return on investment.

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