Register a new site with us

To register a new site with us for Buildmark warranty
cover or for building control, complete a Site
Notification and Initial Notice (SNIN) form


Completing your SNIN form

Please submit your SNIN form as far in advance of starting work on site as possible but at the latest:

Site typeWeeks before start date
Standard, non-hazardous sites 4 weeks
Hazardous or non-traditional sites 8 weeks

Submitting your completed SNIN

You can send your completed forms to the address below or if you are an NHBC Portal user, you can upload your SNIN directly via the 'Company Docs' link.


Davy Avenue,


Milton Keynes,

Bucks MK5 8FP

Request a free guide price

Thank you for completing our form. A member of our team will be in contact with you soon.

Request a free guide price

We are happy to provide you with a free guide price for Buildmark warranty cover and other services. If you need a firm quotation, you will need to complete a Site Notification and Initial Notice form.

Your guide price will be sent to this email address

The guide price you will be issued with will be based on the information you have provided and subject to current fees. Please ensure the company stated above is the company who will be registering the properties for warranty, and will carry liabilities under the Buildmark policy. If you require a firm quotation you will need to submit a Site Notification and Initial Notice form to NHBC. The SNIN form can be downloaded here.

What happens next?

The process is as follows:

Step 1You submit your SNIN form

Step 2We receive your SNIN and inform all relevant NHBC teams

Step 3We send you a product plot schedule (PPS) for you to complete

Step 4You check the PPS, complete the details of all plots and return it to us

Step 5We receive your completed PPS and issue a firm quotation

Step 6You return the signed quotation and payment for plots you wish to register at that time (at least 4 weeks before start of construction)

Step 7We receive your signed quotation and payment and issue documentation to you

Need help?

If you have any questions please call our customer services team on
0344 633 1000 and ask for Customer Services' or email