Published: 2026-10-19
A low appraisal cuts the value the lender will use, so the same sale price supports a smaller loan. On a conventional purchase, Fannie Mae says the property value for the loan-to-value ratio is the lower of the sales price or the current appraised value.
Why does the loan get smaller?
On a purchase, Fannie Mae divides the loan by the lower of price or appraised value, including when mortgage insurance is financed. On a refinance, it uses the appraised value alone.
For an FHA purchase, Handbook 4000.1 says Adjusted Value is the lesser of the purchase price less inducements, or the property value. The maximum mortgage FHA will insure is the appropriate loan-to-value percentage times that Adjusted Value. Insuring the maximum requires a minimum investment of at least 3.5 percent of the Adjusted Value.
The home buying process places the appraisal after the contract and before closing. The CFPB says you are entitled to a copy of the appraisals and other opinions of value on a typical first-mortgage home loan, soon after the lender receives the completed report and no later than three days before closing, with no fee for the copy.
What does the gap look like in dollars?
These figures are an illustration, not a quote and not a prediction of what a lender will approve.
The contract price is $400,000. The appraisal comes in at $380,000. The buyer had planned to put $80,000 down, which is 20 percent of the contract price, and to borrow $320,000.
Fannie Mae's property value for this purchase is $380,000, because it is lower than the price. A $320,000 loan divided by $380,000 is 84.21 percent.
If the buyer still wants the loan to be 80 percent of the value the lender uses, the loan is 80 percent of $380,000, or $304,000. At a $400,000 price, the cash from the buyer is $96,000. That is $16,000 more than the $80,000 they planned.
If the seller reduces the price to $380,000 and the loan stays at $304,000, the cash due is $76,000. The extra cash disappears because the price came down with the value.
With no inducements, FHA Adjusted Value is also $380,000. Seeking the maximum FHA will insure requires a minimum investment of at least 3.5 percent of that figure, which is $13,300. The lender applies the loan-to-value percentage that fits the file.
The CFPB's description of PMI says private mortgage insurance might be required on a conventional loan when the down payment is less than 20 percent of the purchase price. If the structure you choose crosses that line, price the premium in the PMI calculator. Extra cash at closing belongs in the closing cost calculator. If a relative supplies part of that cash, the file needs the letter in gift letters for a mortgage.
What is a reconsideration of value?
A reconsideration of value asks the appraiser to look again. FHFA describes it as a request based on reporting deficiencies, an inappropriate selection of comparable properties, or other information the appraiser should consider. On May 1, 2024, FHFA said Fannie Mae and Freddie Mac had published that borrower process.
Fannie Mae requires it when an appraisal is needed. Use it if the opinion looks unsupported, may reflect unacceptable appraisal practices, or may reflect prohibited discriminatory practices. The lender explains the steps when it delivers the report. Only one borrower-initiated request is allowed per appraisal, and none after closing.
The request names you, the property, the appraisal's effective date, the appraiser, and the date you ask. It points to what is unsupported, inaccurate, or deficient, and it may add up to five comparable sales with their sources and a reason they matter. The lender reviews the report first. An underwriter or appraisal specialist checks that the request is specific enough to send. Fannie Mae says a value change must rest on material and substantive issues, and must not be requested only because the value misses the proposed loan amount.
On an FHA loan, the underwriter may request a reconsideration when the appraiser missed information that was relevant on the inspection date. The appraiser may charge more if that data was not available then. If the gap is not the borrower's fault, the borrower is not charged.
Can you renegotiate, bring cash, or get another appraisal?
Renegotiating means asking the seller to lower the price or to pay costs that free up your cash. The seller does not have to agree, and a price change has to be in writing. Covering the gap means borrowing only what the value supports and documenting the rest of the cash the same way as any other funds to close.
A second report is a lender step. Fannie Mae says the original appraiser makes corrections. If the lender cannot resolve doubts about the value with that appraiser, it must get a replacement report before the final underwriting decision. An appraisal you order on your own does not replace the lender's report.
How does an appraisal contingency work?
If the buyer did not receive form HUD-92800.5B before signing, Handbook 4000.1 requires an amendatory clause before closing on many FHA purchases. In plain language, you are not obligated to finish the purchase or to lose earnest money unless you receive a written statement that the appraised value is not less than the contract price. You may still choose to proceed if the value is lower. HUD does not warrant the value or the condition.
The dollar amount in the clause must be the actual sales price, and it is revised if the price changes. The clause is not required on HUD real-estate-owned sales, FHA 203(k) loans, sales by Fannie Mae, Freddie Mac, VA, USDA Rural Housing Services, other government agencies, a mortgagee disposing of real-estate-owned assets, a seller at a foreclosure sale, or a buyer who will not occupy the home.
Start with the appraisal copy, then talk with the lender and the seller. The buying guide and the calculators cover the cash that follows.
This article is educational and is not a loan offer or financial advice.
Sources
- Fannie Mae Selling Guide B2-1.2-01, LTV ratios: https://selling-guide.fanniemae.com/sel/b2-1.2-01/loan-value-ltv-ratios
- Fannie Mae Selling Guide B4-1.3-12, Appraisal Quality Matters: https://selling-guide.fanniemae.com/sel/b4-1.3-12/appraisal-quality-matters
- FHFA, Enterprise reconsideration of value policies (May 1, 2024): https://www.fhfa.gov/news/news-release/fhfa-announces-enterprise-reconsideration-of-value-policies
- HUD Handbook 4000.1 (August 12, 2026): https://www.hud.gov/sites/default/files/Housing/documents/40001-hsgh-Update-18.pdf
- CFPB, What are appraisals?: https://www.consumerfinance.gov/ask-cfpb/what-are-appraisals-and-why-do-i-need-to-look-at-them-en-167/
- CFPB, Copy of the appraisal: https://www.consumerfinance.gov/ask-cfpb/do-i-have-the-right-to-receive-a-copy-of-my-home-appraisal-en-192/
- CFPB, What is private mortgage insurance?: https://www.consumerfinance.gov/ask-cfpb/what-is-private-mortgage-insurance-en-122/
