Are you looking for British-style names or Welsh/Scottish/Irish/English names?
Assuming it is the former...
Flower names including
Iris, Lily, Violet, Rose
Feminisations including
Caroline, Charlotte, Josephine, Harriet, Henrietta, Georgia, Georgina, Antonia, Clementine, Louisa, Alexandra
British royal names including
Anne, Sophia, Adelaide, Victoria, Alice, Helena, Beatrice, Louise, Mary, Amelia, Elizabeth, Augusta, Maud
Vintage names including
Ada, Adele, Clara, Claudia, Edith, Emmeline, Esther, Camilla, Florence, Sybil, Millicent, Marguerite, Cecily, Cordelia, Christabel, Isadora, Imogen, Juliet, Felicity, Hazel, Honor, Iris, Ivy, Lillian, Lois, Pearl, Penelope, Rosemary, Stella, Alice, Vivienne
Biblical names including
Abigail, Anna, Chloe, Dinah, Elizabeth, Eve, Hannah, Jemima, Joanna, Julia, Leah, Lydia, Mary, Martha, Miriam, Naomi, Phoebe, Rachel, Rebecca, Ruth, Sarah, Susanna, Tabitha
As I think this is actually what you're really after, the top names from Telegraph birth announcements in 2011 were
Florence
Isabel
Isabella
Charlotte
Isla
Alice
Emily
Jemima
Matilda
Daisy
Olivia
Amelia
Elizabeth
Poppy
Annabel
Sophie
Arabella
Martha
Flora
Lily
Lucy
Rose
Beatrice
Eleanor
Emilia
Ottilie
Abigail
Chloe
Clementine
Harriet
Jessica
Kitty
Phoebe
Sophia
Ava
Freya
Molly
Violet
Willa
Amelie
Evie
Georgina
Grace
Henrietta
Honor
india
Iona
Katharine
Madeleine
Ophelia
Tabitha
Zoe
And from the Times, they were
Emily
Isabel
Alice
Matilda
Sophia
Charlotte
Isabella
Sophie
Freya
Martha
Florence
Beatrice
Flora
Poppy
Amelia
Eleanor
Lara
annabel
Arabella
Chloe
Emilia
Emma
Isla
Jemima
Olivia
Ottilie
Amelie
Daisy
Elizabeth
Francesca
Georgia
Rose
Ava
Catherine
Cecily
Clementine
Coco
Grace
Holly
Honor
Imogen
Iris
Josephine
Kitty
Lola
Lucy
Maya
Phoebe
Scarlett
Violet