Uploading your documents
If you’ve already uploaded everything, tap I have uploaded everything to move to the next step.
If you still need to upload more:
Tap + Upload document.
Select the document type.
Tap Continue.
Choose how you’d like to upload it (for example, take a photo or choose from files).
Select or capture the document and tap Add.
You can repeat this process as many times as needed by tapping + Upload document again.
If you want to upload a different document type, just select a new type and follow the same steps.
Uploading a document that isn’t listed
If you don’t see the specific document type you’re looking for, you can still upload it:
Select Other from the list of document types.
Upload your document as usual.
If you think a specific document type should be added, please share your feedback with us at [email protected].
Acceptable documents
If your solicitor or agent asks for additional evidence, here are the documents you can provide:
Proof of address:
Utility bill (gas, water, or electricity)
Council tax bill
Bank or credit card statement
Council rent book
For property sellers (non-residents), you can also provide:
Mortgage statements (last full year)
HMRC self-assessment letters or tax demands
Property insurance policy schedule
Purchase agreement or lettings agent agreement
Building regulation sign-off or service charge demand
Proof of funds:
Property sale: Memorandum of sale
Gift: The donor will complete a separate check
Inheritance: Will statement
Savings or other: Bank statements
ISA or Premium Bonds: Relevant statements
Remortgage or mortgage: Offer letter
Business funds: Statement
Sale of asset: Bill or memorandum of sale
Co-buyer funds: Verified through co-buyer’s check
Proof of income and employment:
3 months’ payslips
Signed employment contract
SA302 (if self-employed)
Letter of employment
These documents must show:
Full name
Gross income
Start date
Type of employment
Employer’s name
Signature of employee and employer
Date of signature
If you’ve uploaded these documents and still can’t move forward, contact [email protected] for help.
If your file won’t upload
If you’re having trouble uploading a file:
Email us at [email protected] with the subject line “I can’t upload documents — please add these for me.”
Include the following details:
The phone number registered to Checkboard
Your name and date of birth
A screenshot of the error message
The document you were trying to upload
Our team will upload the document for you and confirm once it’s been added to your account.
Need help?
If you’re unsure which documents to upload or still can’t complete the step, contact [email protected].
Include your name, contact details, and your solicitor or agent’s name so we can assist you quickly.