Cytisus × boskoopii Auvray & Le Gloanic, Hanburyana 7: 51 (2013);
 .
SK 3423 23 April 2022:
 Location: Romford, UK 
 Altitude: 40 m. 
 Date: 09 March 2022
 Habit : Cultivated
It is Cytisus praecox… common name broom.
Very unusual colour.
Pl. resend images again as not opening after downloading.
Adding more…..
 https://www.paramountplants.co.uk/plant/cyz/cytisus-zeelandia.html
 Apparently correct name according to RHS is... Cytisus × boskoopii ‘Zeelandia’
 A small, bushy deciduous shrub with broom-like green stems and small dark green leaves.
 Flowers abundant, pink and cream, opening in late spring and early summer
 Synonyms Cytisus ‘Zeelandia’
.
References:
 POWO  RHS  paramountplants