Document library

Here you can find all the documents you will need when dealing with Darlington Building Society from our lending criteria to application forms, and also includes some helpful guides on how to use our online facilities.

If you have any queries, please contact our dedicated intermediary team on 01325 741004 or via email at

To view the list of documentation you must provide for your application to be assessed, please click the below button to download our document guide:


Applicant Document Guide    

Printable Application forms

Please only use these forms where there are 2 or more applicants.

Mortgage Application Form (PDF)

Buy To Let Application Form (PDF)

Additional Borrowing Application Form (PDF)

Declarations & Direct Debits

Below are our declaration and direct debit forms which form part of the application pack should you need them.

Declaration Form (PDF)

Direct Debit Form (PDF)

Lending Criteria - Last Updated 2nd February 2020

Here you can find our lending criteria, a comprehensive document on how we approach lending and what our underwriters will follow when personally assessing an application.

Lending Criteria

Valuation and Administration Fees


Valuation Fees

See our Administration fees

The Darlington Intermediaries Online service


Here you can find the terms of business for the Darlington Intermediaries Online system.

Terms of business

Register/DIP/apply online with Darlington Intermediaries Online

Need to discuss your options?

If you have any queries regarding our mortgages, processes or our online system then our dedicated Intermediary Team are on hand to help.

You can call us on:

01325 741004

Or email us at

Our staff are available between:

8am and 6pm Monday to Friday

Our dedicated team are more than happy to help with any questions or queries