Ask an Immigration Solicitor. Get an Answer ASAP.
What date in December was the visa issued in 2007?
If it was before 15th then you cannot apply under the 10 years rule more than 28 days before the qualifying period
The qualifying period starts from when the visa was issued and not when you entered.
You can only apply within 28 days. All the other information can be found at https://www.gov.uk/long-residence/documents-you-must-provide
I have told you any time within 28 days is OK.
You must provide the documents specified below which are relevant to your application.
Your current passport, national identity card or travel document.
Your Biometrics Residence Permit
All the passports you have held during this time.
Doctor’s letter(s) showing registration for each year of your stay and letters from hospital(s) or other local health service(s) Council tax letter(s) or bills for each year of your stay Gas, electricity and water and other domestic bills or statements for each year of your stay National Insurance contribution records for each year of your stay or P60 forms HM Revenue and Custom/Inland Revenue letter(s) and/or P60 statements of income tax paid Employer(s) letter(s) confirming the dates during which you have been employed Department for Work and Pensions letter(s) and letters or other documents from other government departments or agencies Full birth certificate(s), ie one which shows the parents names for any of your children born in the UK Mortgage document(s) showing any property you own in the UK and/or a letter from your landord confirming the period of your tenancy Any other documents/details which support your application