Question 1

Can I use child maintenance payments as income on a mortgage application?

Accepted Answer

Yes — child maintenance income can be used towards mortgage affordability, but not all lenders will accept it and those that do apply conditions. The main requirements are that the payments are regular, documented, and likely to continue for a meaningful period. Lenders are more comfortable with child maintenance that is enforced through a Child Maintenance Service (CMS) arrangement or court order than with informal voluntary payments, because a formal arrangement is more difficult for the paying parent to simply stop. The income is typically counted at between 50% and 100% of the actual amount received, depending on the lender's policy and the strength of the underlying arrangement.

Question 2

How long must I have been receiving child maintenance before a lender will count it?

Accepted Answer

Most lenders require a track record of receiving child maintenance payments for a minimum period — typically 3 to 6 months of bank statement evidence showing consistent payments at the expected amount. Some lenders require 12 months of evidenced payments before they will include the income in affordability calculations. The longer and more consistent the payment history, the stronger the case. If you have just started receiving child maintenance or the payments have been irregular, most lenders will not count it until a steady record is established. Where a CMS order has been in place for a year or more with no arrears, lenders treat the income more reliably.

Question 3

Does the source of child maintenance matter — CMS order, court order, or voluntary?

Accepted Answer

Yes — the source matters significantly. Child maintenance paid under a Child Maintenance Service (CMS) arrangement or a court order is treated more favourably than voluntary informal payments. A CMS arrangement has legal enforcement mechanisms: if the paying parent defaults, CMS can collect directly from their employer or earnings. A court order similarly carries enforcement powers. Voluntary payments, while perfectly valid in many cases, can be stopped without legal consequence and lenders therefore view them as less reliable. Some lenders will only accept CMS or court-ordered maintenance. Others accept voluntary arrangements with a longer payment history and additional evidence such as a separation agreement.

Question 4

What evidence does a lender need for child maintenance income?

Accepted Answer

Typical evidence required includes: bank statements for at least 3–6 months showing regular maintenance payments being received (the amounts, dates, and source should be clearly visible); the CMS calculation notice, court order, or signed separation/consent agreement confirming the maintenance arrangement; and a letter or document showing the arrangement is current and up to date. If payments are voluntary, a written agreement between the parties, signed and dated, helps — though it carries less weight than a formal order. Some lenders also ask for a brief confirmation that the arrangement is ongoing and that you do not expect payments to stop within the foreseeable future.

Question 5

Will child maintenance income increase how much I can borrow?

Accepted Answer

Yes — if a lender accepts child maintenance as income, it increases the total income used in their affordability calculation, which typically increases your maximum borrowing. For example, if your salary is £35,000 and you receive £6,000 per year in child maintenance, a lender who accepts 100% of that income would assess affordability on £41,000 rather than £35,000. The practical impact depends on the lender's income multiple (usually 4–4.5× income) and whether they count the full amount or a proportion. At 4.5× income, the difference on the example above is approximately £27,000 in additional borrowing. The key is finding a lender who counts maintenance income rather than using a lender who ignores it entirely.

Question 6

What if child maintenance payments are irregular or likely to stop?

Accepted Answer

Irregular or unreliable child maintenance payments are difficult to use in a mortgage application. If payments fluctuate significantly from month to month, lenders may not be able to establish a consistent income figure to use in affordability. If payments are expected to stop — for example, when a child turns 18 or completes education — lenders will consider this, particularly if the mortgage term extends past the expected end date of maintenance. Some lenders will only count maintenance income if there are at least 5 years remaining of anticipated payments. Where maintenance is unreliable, the safest approach is to apply for the mortgage on your own salary alone and treat maintenance as supplementary income for day-to-day budgeting rather than as a mortgage qualifying income.

Child Maintenance Mortgage FAQ