Your policy and your life insurance companys obligations to you are 100% unchanged
According to gov.uk, into the UK you can bring in three crates of beer, two cases of still wine and one case of sparkling wine without paying UK duties.
Its a Catch-22, explained Roundtree-Swain

1926 series stamp Springer TF574, 1 ounce, coupon type, black, SERIES 112 Springer TF575, 1 ounce, Indian type, blue, SERIES 112 Springer TF576, 1-1/2 ounces, John Quincy Adams, SERIES 112 Springer TF577, 1-3/4 ounces, John Quincy Adams, SERIES 112 Springer TF578, 2 ounces, John Quincy Adams, SERIES 112 Springer TF579, 12 ounces, numeral type, Series 112 Springer TF580P, 14 ounces, Series 112, proof plate number 146553 Springer TF581P, 15 ounces, Series 112, proof plate number 146556 Springer TF578AP, 1/2 pound, Series 112, proof plate number 146448, unlisted in Springer Springer TF583P, 1 pound, Series 112, proof plate number 146451 Springer TF584, 1-1/2 ounces, black SERIES 112 overprint Springer TF586P, 2 pounds, Series 112, proof plate number 146458 Springer TF587, 2-1/2 pounds, black SERIES 112 overprint Springer TF588, 3 pounds, Series 112 Springer TF589, 4 pounds, black SERIES 112 overprint Springer TF590P, 5 pounds, Series 112, proof plate number 146463 Springer TF591, 6 pounds, black SERIES 112 overprint Springer TF592P, 7 pounds, Series 112, proof plate number F146469, unlisted in Springer Springer TF594, 9 pounds, black SERIES 112 overprint Springer TF597, 24 pounds, black SERIES 112 overprint (All Series 112 proof images courtesy of the Smithsonian National Postal Museum) Series 113 / Act of 1926 (1943) Springer TF598, 1/2 ounce, black SERIES 113 overprint on Act of Feb
