Mortgage Repayment Calculator

Our mortgage repayment calculator gives you a quick estimate of what your monthly payments could be. Simply enter the loan amount, interest rate and mortgage term to see the results instantly. You can even choose one of our products.

The results from this calculator are for illustrative purposes only and are not a mortgage offer or approval. Actual repayments may vary and will depend on the mortgage product and your individual circumstances. 

 

Would you like one of our front-line mortgage managers to call you back to discuss a case? Our mortgage managers are available 9am* to 5pm, Monday to Friday and by appointment on Saturdays. We will call you back during this time. Unfortunately, we are closed on Sundays and bank holidays.  

I'm applying Directly

Call Me Back

I'm an Intermediary

Call Me Back

Carmarthen Branch

13-14 Lammas Street,
Carmarthen SA31 3AQ

Tel: 01267 611950
Fax: 01267 611951

Cowbridge Branch

75 High Street,
Cowbridge CF71 7AF

Tel: 01446 506000
Fax: 01446 506001

Mumbles Branch

496 Mumbles Road,
Swansea SA3 4BX

Tel: 01792 739200
Fax: 01792 739201

Swansea Branch

1-4 Portland Street,
Swansea SA1 3DH

Tel: 01792 739100
Fax: 01792 739101

© 2021 Swansea Building Society is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. Financial Services Register Number: 206066 | terms and conditions | privacy

FSCS 2025