Narcissus pseudonarcissus L.: 3 very high res. images.
Habit : Cultivated
Which has pale yellow tepals, with a darker central trumpet.
Impossible to say if a species or one of the many named cultivars which grow in UK.
This is one of the Division 1 daffodil cultivars. They are complex hybrids of cultivation.
https://thedaffodilsociety.com/a-guide-to-dafodils/classification-system/ has useful information on these.