As part of Network Rail's national stations improvement programme, Uckfield received a new station building to replace the 1991 Portakabin-type structure which was deemed "not fit for purpose". The new building was built to Network Rail's modular, pre-fabricated design, as used at and . The components for Uckfield's new station – including a ticket office, public toilet, staff accommodation, ticket hall and café – were manufactured by Britspace in Yorkshire and installed by contractors Bryen & Langley. The new building, which cost £750,000, was opened for passenger use on 16 March 2010.