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Update your details

Use the following to tell us of any changes.

Update your contact details

Email us at: newaddress@nhbc.co.uk

Change your registered status

To change your status from registered developer to registered builder, you will need to send the completed form below and fee to:

New Business Team, NHBC, NHBC House, Davy Avenue, Knowlhill, Milton Keynes, Bucks. MK5 8FP.

Change of registered status application form.

Note: We will ask you to follow an assessment procedure. The total fee will be £360+VAT.

Change your title

When you change your title to or from sole trader, limited company or partnership you need to notify us in advance by sending the completed form below and fee to:

Underwriting Team, NHBC, NHBC House, Davy Avenue, Knowlhill, Milton Keynes, Bucks. MK5 8FP.

Change of title application form

Note: The total fee will be £156+VAT.

Change your banking details

If you pay your annual renewal fee by Direct Debit, complete a new Direct Debit instruction form for your new bank account and send to us at

Commercial Department, NHBC, NHBC House, Davy Avenue, Knowlhill, Milton Keynes. MK5 8FP.

Direct Debit instruction form

Alternatively, ask your bank to write to us confirming the new details (branch address, sort code, account number, names on the account).

Other changes

For all other changes please call us on: 0844 633 1000 and ask for ‘Underwriting’.

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