The contract includes an option for a further 35 locomotives.

A further twenty locomotives arrived in 1885, five of which going to the Northern system.

In 1922/1923 a further three locomotives were delivered, becoming Nos. 6 to 8.

To 1915, a total of 21 further locomotives, in five separate orders, were so obtained.

In doing so, he delayed the construction of further locomotives until the modifications had been made.

A further 4 locomotives and 10 passenger coaches were also ordered.

A further 20 locomotives were constructed in 1875, numbered 999, 1000 and 1116-1133.

Therefore a further ten locomotives of the original design were ordered from Brighton works.

During the seventy-five years of its existence the company either built or purchased a further 1,055 locomotives.

Two further locomotives, nos. 103 and 104, were purchased in 1905.