The Nursery. The dolls and the rocking horse are more appropriate for the Victorian era. The tradition of dressing little boys in sailor suits began with the famous painting of Prince Albert in 1846.
https://www.rct.uk/collection/404873/king-edward-vii-1841-1910-when-albert-edward-prince-of-wales
Rocking horses for children have been dated back to the seventeenth century, but were most popular during the Victorian era.
The dry sink is appropriate to the Regency era. Water would have been carried in and poured into the dry sink for bathing the baby.