Yes, the 4 months figure was mentioned in your original thread mikey. Good old Tories, eh, keeping you fully informed well in advance. Will you carry on working?
You are taxed, yes, but only if you have other sources of income which lift you into the tax bracket. If you have not then you will not pay tax as the pension rate is currently below the personal allowance.
Strictly speaking, the State Retirement Pensions is paid without Income Tax being deducted. The amount of the pension will, however, be added to any other income and you may receive and if the total amount exceeds the amount of your allowance(s), you may be liable to Income Tax on the excess amount.