The diagrams illustrate the significant transformation of the local museum and its surroundings over a 50-year period, spanning from 1957 to 2007.
Overall, the museum underwent a substantial reorganisation of land use and significant expansion, with several new functional rooms added and the surrounding garden was reduced to make room for new facilities, including a large car park.
In 1957, the museum was a relatively simple structure including three main rooms: a national history exhibition occupying the central and largest space, a local history room located below its left, and a museum storeroom on the right. The entrance situated in the south of the building, connected to the main road by a curved footpath. The museum was enveloped by an extensive garden, densely covered with trees, particularly in the northwest and the southwest areas.
By 2007, the building had experienced major redevelopment. The central national history exhibition had been repurposed into a new local historical room with a bigger size, while a reception had been placed in the position of the former historical room. In the left of the reception, a museum shop had been constructed in part of the garden land and a new entrance had been linked to it, while the old footpath had been eliminated to make room for a new large parking site. Ultimately, The former storeroom had been removed, making space for a café