Mortgages and Maternity Leave: How Lenders Assess Income and What You’ll Need

Going on maternity leave doesn’t stop you getting a mortgage. Most UK lenders are set up to handle applications before, during and after leave, and the standard approach is designed so you aren’t penalised for taking it. What matters is understanding how your income will be assessed, what documents you’ll need, and whether timing your application makes a difference.

Here, we walk through how lenders look at applications involving maternity leave, the role of the return to work letter, how childcare costs are factored in, and when to speak to a broker if a house move and parental leave are both on the horizon.

Feel free to contact Heron Financial on 0203 195 1982 to speak to one of our advisor’s fee free for further information. 

 

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Mortgages and maternity leave: at a glance

Can you get a mortgage on maternity leave? Yes, lenders typically won't penalise you for being on leave
Income used if returning as normal Your full pre-leave salary, not reduced maternity pay
Key document A return to work letter from your employer
Shared parental leave Treated in the same way as maternity leave
Childcare costs Assessed monthly, quarterly payments are divided down to a monthly figure
Payslips needed after returning Usually just one full month reflecting your return to normal pay

Can you get a mortgage while on maternity leave?

Yes, you can get a mortgage while on maternity leave. Lenders typically won’t penalise you for being on leave.

If you’re employed, lenders will usually look at your payslips from before you started maternity leave, alongside a letter confirming your return date and that you’ll be returning on the same basis. They’ll use your standard pre-leave salary as the basis for affordability.

The whole purpose of this approach is to make sure anyone having a child and taking maternity leave isn’t disadvantaged in the mortgage process.

Will the lender base affordability on reduced maternity pay?

No, lenders don’t usually base affordability on reduced maternity pay or statutory maternity pay if you’ll be returning to your full salary.

What you’d typically do is request that the lender uses your full pre-leave payslips rather than your reduced maternity pay. They’ll then ask for a letter from your employer confirming:

  • The date you’re returning to work
  • That you’ll be returning to your full pre-leave salary
  • That your hours won’t be changing

If you plan to return on reduced hours or a lower salary, the lender will use the figures from the return to work letter to reflect your new post-maternity income. In that case, affordability is based on what you’ll actually be earning when you’re back at work.

What is a return to work letter and when do lenders ask for one?

A return to work letter is a letter from your employer confirming your agreed return date from maternity leave.

Lenders will usually ask for one whenever your application involves maternity leave, because it gives them the evidence they need to use your pre-leave income (or your post-return income if it’s changing).

What the return to work letter needs to confirm

Your confirmed return date, when you'll be back at work
Confirmation your hours are unchanged, or details of the new hours if they're changing
Confirmation your salary is unchanged, or details of the new salary if it's changing
Signed by your employer, most lenders want employer confirmation rather than a self-signed letter

Does the employer always have to provide the return to work letter?

In most cases, yes. Some lenders may accept a written and signed confirmation from the person returning to work, but most lenders want it to come from the employer confirming the return.

Can a lender use your full salary now if you won’t be returning for several months?

Yes, in most cases. Everything would be subject to underwriting, and different lenders may have different thresholds on how far ahead a return date can be and still accept the application. But the majority of lenders will be fine if you’ve only just started maternity leave and you’re not going back for a while.

The reason lenders can accept this is that they’re looking at the salary you’ll be returning to, confirmed through the return to work letter. If your return is on the same basis as before, your pre-leave salary is a fair reflection of what you’ll be earning again shortly.

How does shared parental leave affect the picture?

Shared parental leave is treated very similarly to maternity leave. Lenders will want to see the income received prior to the leave starting, along with evidence of when the leave will end.

The same return to work letter principle applies. The partner on leave will need confirmation from their employer of their return date, the salary they’ll be returning on, and that their hours won’t be changing.

How do mortgage lenders factor childcare costs into affordability?

Lenders will ask how much you’re spending on childcare and expect you to disclose any childcare costs. They typically check your bank statements for evidence of those costs too.

  • If you pay monthly (nursery fees, childminder), the monthly cost goes straight into the affordability calculation
  • If you pay quarterly or in larger chunks, lenders divide the payment down to a monthly equivalent

How a quarterly childcare bill is assessed

£1,500
Paid quarterly
→
£500
Used per month in affordability
Lenders always convert childcare costs to a monthly equivalent before including them in the affordability calculation — and will check bank statements for evidence, so it's best to disclose costs upfront.

Is there a best time to apply for a mortgage around maternity leave?

There’s no single best time. You can apply before leave starts, during leave, or after returning to work, and the majority of lenders will accept applications at any of these points.

Applying before, during or after leave

Stage 1
Before leave starts
Make the lender aware. They'll use your pre-leave payslips and may want written confirmation of your maternity leave plan
Stage 2
During leave
Pre-leave payslips, your most recent reduced payslips, and a return to work letter from your employer
Stage 3
After returning to work
A full payslip reflecting your return is usually enough — no maternity-specific documents typically needed

What if you already have a mortgage offer and then start maternity leave before completion?

Yes, you need to tell the lender. The mortgage application process always asks whether you’re aware of any future changes to your circumstances, and maternity leave is a change you need to disclose.

By the time you’ve got a mortgage offer and are approaching completion, you’ll usually already know whether you’re going to be starting maternity leave. Making the lender aware upfront protects the offer and avoids any issues at completion. The lender will assess what the change means for affordability and may ask for a return to work letter at that stage.

How many payslips do you need after returning from maternity leave?

Most lenders only need one full month’s payslip reflecting your return to normal pay.

If you don’t have one yet, you can get a written letter from your employer confirming you’ve just returned from maternity leave and what your full-time pay looks like. There’s no set waiting period after returning before you can apply for a mortgage.

What documents should you gather before speaking to a broker?

What you’ll need depends on where you are in the maternity leave process.

If you’re about to start maternity leave:

  • Latest three months of payslips
  • Written confirmation from your employer of your maternity leave plan

If you’re already on maternity leave:

  • Payslips from prior to your leave
  • Latest three months of payslips showing your reduced maternity pay
  • Return to work letter from your employer

If you’ve returned to work:

  • Latest three months of payslips (one full month’s post-return is often enough)
  • Depending on the lender, written confirmation from your employer that you’ve returned

 

Having the right set ready before the first broker conversation makes the initial affordability assessment much more accurate.

Planning a house move alongside maternity leave

If you’re planning both a house move and maternity leave, speak to a broker before you start viewing properties.

A broker can walk through your plans, work out what’s possible on your current and expected income, and give you a realistic view of what you can borrow. The same logic applies as with any other mortgage application: understanding what’s achievable before you set your heart on a property saves time and avoids disappointment later.

Timing a purchase around a planned leave is manageable, but it benefits from being thought through properly rather than approached reactively.

Talk to Heron Financial

Mortgage applications involving maternity leave or shared parental leave are a routine part of what we do. If you’re planning a purchase or remortgage around leave, we can walk you through the lender’s view of your income, help you work out the right time to apply, and make sure the documentation is in order before you start.

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Frequently Asked Questions for Heron Financial

Does statutory maternity pay affect my mortgage application?

No, not if you’ll be returning to your full salary. Lenders typically use your pre-leave income based on your return to work letter rather than your reduced statutory maternity pay. If you’re returning on reduced hours or lower pay, the lender will use the new figure instead.

Yes. If you’re applying jointly, both incomes will be considered. Your partner’s full income is assessed in the usual way, and your income is assessed based on your pre-leave salary and return to work letter.

No. Being on maternity leave doesn’t change the rate you’ll be offered. If you fit the lender’s criteria, you get access to the same rates as any other borrower on that product.

Some lenders will accept a signed letter from you personally confirming your return plans, though this is less common. If your employer won’t issue one, a broker can identify lenders who may accept alternative evidence.

Paternity leave is usually much shorter (typically two weeks of statutory paternity pay). It generally doesn’t require the same return to work letter process because the leave is brief. Shared parental leave, which is longer, is treated more like maternity leave.

Yes, but the assessment is different. Lenders will usually look at your tax returns from before you went on leave. The approach is more lender-specific than for employed applicants, so broker input is particularly useful here.

Not usually. Lenders don’t typically require birth certificates or similar evidence. What they need is confirmation of your return to work date and salary via the employer letter.

Yes. The same principles apply. Lenders will usually use your pre-leave income based on your return to work letter, and the process works similarly to a new purchase.