Mortgage Approval in Ireland: How Much Can You Borrow?
Chapter 2 of Buying a Home in Ireland 101: understand Central Bank mortgage limits, lender affordability checks, approval in principle, exceptions and the difference between maximum borrowing and comfortable borrowing.
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The Central Bank sets the outer mortgage limits.
Your lender decides whether it is willing to lend to you.
Those are not the same thing.
A first-time buyer might be within the 4× income rule and still be approved for less because the lender’s affordability assessment takes account of:
- existing debt;
- childcare;
- dependants;
- age;
- employment;
- income stability;
- spending;
- savings history;
- credit history;
- and the likely mortgage repayment.
The current income limits
The standard Loan-to-Income limits are:
Maximum standard LTI multiple of gross income.
Maximum standard LTI multiple of gross income.
A first-time buyer household with €90,000 of qualifying gross income has a standard LTI ceiling of:
€90,000 × 4 = €360,000.
A second/subsequent buyer household on the same income has:
€90,000 × 3.5 = €315,000.
Use the Mortgage Borrowing Calculator to model the rule.
The 10% deposit rule still applies
For principal-home purchases, first-time and second/subsequent buyers are generally limited to 90% Loan-to-Value.
That means the property price must satisfy both:
income rule and deposit rule.
Example:
First-time buyer income: €80,000
LTI maximum: €320,000
Savings available for deposit: €60,000
A €380,000 home requires a €38,000 minimum deposit.
The deposit is sufficient.
But the €320,000 LTI maximum means the buyer would still need €60,000 of their own money toward the price.
The tighter constraint wins.
Lenders can approve less than the macroprudential limit
The Central Bank rules are not a promise.
A lender performs its own affordability assessment.
The CCPC says lenders examine:
- income;
- savings habits;
- spending;
- credit history;
- and ability to make repayments.
If the lender believes the repayment is not affordable, the approved mortgage can be below the 4× or 3.5× maximum.
Approval in Principle
Before serious bidding, get Approval in Principle (AIP).
AIP is an initial indication of:
- whether the lender is prepared to lend;
- and approximately how much.
It is useful because:
- you know your working budget;
- estate agents may ask whether finance is approved;
- and you can bid with more confidence.
But AIP is not final mortgage approval.
How long does AIP last?
The CCPC says AIP is typically valid for around 6 to 12 months, depending on the lender.
If it expires, you may need an extension or updated assessment.
Your circumstances also matter.
A job change, new loan, missed payment or large new financial commitment can affect the lender’s final decision.
The lender checks twice
The CCPC describes two broad stages:
First check — AIP
The lender assesses you.
Second check — property and final finances
After you go sale agreed, the lender:
- reviews your finances again;
- checks the property;
- receives the valuation;
- confirms required documents;
- and issues a formal Letter of Offer once satisfied.
That is why “mortgage approved” during house hunting often really means AIP.
Mortgage allowances / exceptions
The Central Bank permits lenders to have a limited share of new lending above the standard macroprudential limits.
Currently:
- up to 15% of first-time-buyer lending may be above the limits;
- up to 15% of second/subsequent-buyer lending may be above the limits;
- up to 10% of buy-to-let lending may be above the limits.
This is an allowance for lenders.
It is not a borrower entitlement.
A lender can have different internal criteria for how exceptions are allocated.
Do not construct a home-buying budget that only works if an exception is granted.
Income is not always treated the same way
A lender may treat income differently depending on its nature.
Examples:
- basic salary;
- overtime;
- bonus;
- commission;
- self-employed income;
- contract income;
- rental income;
- allowances.
The Central Bank limit uses gross income, but the lender decides what income it accepts for underwriting.
Two lenders can therefore arrive at different approvable incomes for the same household.
Self-employed applicants
Self-employed buyers usually need stronger evidence of sustainable income over time.
Expect to provide records such as:
- tax returns;
- Revenue documents;
- business accounts;
- bank statements;
- proof of tax compliance;
- and information on business liabilities.
The exact documentation varies by lender and business structure.
The important point is to prepare early.
Existing loans reduce affordability
Car finance, personal loans, credit-card balances and other commitments matter even if you remain under the LTI ceiling.
A €400 monthly car repayment is €4,800 of annual household cash flow already committed before the mortgage.
That can reduce the lender’s affordability assessment.
Clearing expensive debt can therefore improve both:
- household resilience;
- and mortgage underwriting.
Savings history matters
Lenders want evidence that you can sustain the proposed housing cost.
Regular monthly saving helps demonstrate repayment capacity.
So can:
- existing rent;
- current loan repayments that will end;
- or another proven recurring financial commitment.
The relevant calculation differs by lender.
But a stable, explainable bank account is easier to underwrite than one with repeated overdrafts and unexplained borrowing.
Stress the repayment yourself
Do not stop at the lender’s approval amount.
Use the Mortgage Calculator to test the mortgage at:
- the expected rate;
- a rate 1 percentage point higher;
- and a rate 2 percentage points higher.
Then ask whether the household still works.
A fixed rate can protect you for a period, but the mortgage may last decades.
Borrowing maximum versus affordability maximum
These are three different ceilings:
The macroprudential LTI/LTV rules.
What the lender approves after underwriting.
The repayment and purchase price that still leave room for life.
The purchase price should respect the lowest relevant ceiling.
Bridging loans: a 2026 change
In 2026, the Central Bank amended the mortgage measures so qualifying principal-home bridging loans are exempt from the LTI limit.
The exemption is narrowly defined and does not mean ordinary second-home borrowing is exempt.
LTV rules continue to apply.
This is primarily relevant to home movers buying before selling an existing principal residence.
AIP checklist
Before applying, have:
Payslips, employment details and other accepted income evidence.
Clean, explainable recent account activity.
A visible deposit and regular saving pattern.
Loans, credit cards and other commitments.
Identity and address documentation.
Particularly important for self-employed applicants.
Frequently asked questions
How much can a first-time buyer borrow in Ireland?
The standard Central Bank LTI limit is four times gross income. A lender may approve less based on affordability.
Is AIP a guaranteed mortgage?
No. AIP is preliminary. Full approval comes after further financial checks and property checks.
Can I borrow more than four times income?
Lenders have a limited allowance to lend above standard limits, but an exception is not guaranteed.
Does rent count toward repayment capacity?
Lenders can consider demonstrated rent and savings history as evidence of repayment capacity, but underwriting rules vary.
Chapter 3 covers Help to Buy and the First Home Scheme—including the €30,000 HTB cap and shared-equity trade-offs.
Chapter 3 — First-Time Buyer Supports →

