Driving without Insurance Naturalisation application

Hi,
I was driving a car without insurance in September 2008 and was convicted in Magistrate's Court in March 2009. I have 6 penalty points on my licence.
I have finished more than a year after my ILR and am due for Naturalisation.
My conviction does not show up on my Enhanced CRB Check.
Please let me know:
1. If I should apply for Naturalisation wihout declaring my conviction as it does not show up on my CRB check. Does HomeOffice check DVLA database for every application?
2. Will my five year spent period end in September 2013 or March 2014.

If there is a chance I would like to apply for Naturalisation as soon as possible.

Were you driving using an international driving permit at that time?

It immaterial if he was driving on international driving license or Uk driving license or with no driving license at all.

What matters is that he was convicted of an offence in court of law, and he hasn't mentioned but I am sure he got a monetary fine given as well.

Fines take five years to get spent from the date of conviction.

Not having something appear on crb does not mean that conviction is spent. This particular conviction is not a recordable offence, and hence does not appear on crb.

Conviction will be recorded on DVLA computer. I do not know whether UKBA checks DVLA record of each and every applicant, but yes, from members posts make it clear that at least some have been caught out when they did not declare a driving conviction. In any case, it is not wise not to disclose something on the form when they specifically ask for it to be declared.

If you do so, and they find out, then not only will they refuse your application, they will also bar you from naturalisation for next ten years.

Thanks for your reply.