Get Approval in Principle Online

How much can I borrow?

This handy mortgage calculator will help you get some idea of your potential Approval in Principle (AIP)*. Once you’ve been provided with an AIP, simply enter some more details to get an estimate of the forecast monthly repayments for the specified loan amount.

If you’re looking for a 90% Switcher mortgage or a 35 year term, please give us a call on 1800 51 52 53.

* Denotes required information

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Your Mortgage Details

This mortgage calculator is only applicable for loans in respect of your principle private dwelling and is not applicable for residential investment property loans or top ups. The mortgage calculator allows you to calculate repayments or estimate the likely extent of any loan which may be available to you, please note that such quotation is for illustrative and guidance purposes only, is non-binding and is subject to change. It is not an offer of a loan. No quotation or estimate shall be capable of acceptance unless and until it is contained in a formal letter of offer issued by KBC Bank Ireland and signed by both KBC Bank Ireland and the customer. All letters of offer will be accompanied by the full terms and conditions which will apply to the facility in question. Rates are provided for information purposes only. They do not form part of an advertisement.

The repayment results calculated are based on current offered rates for Mortgages. The rate type is assumed to be variable. Any repayment estimates provided by the 'What will my repayment be' calculation shall be exclusive of any Tax Relief at Source (TRS) receivable. The rates quoted are effective from 16th April 2014.

Home purchase is a family home purchase by a first time buyer or mover. LTV refers to Loan to Value.


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  • KBC Bank Ireland plc is regulated by the Central Bank of Ireland
  • Registered in the Republic of Ireland. Number 40537
  • Registered Office: Sandwith Street, Dublin 2, Ireland