Complex sentence: In 1997 the Trustees purchased the main house at No.14 with the help of the Heritage Lottery Fund: the house will be restored in 2006 to enable the Museum to expand its educational activities.
Split into simpler sentences: In 1997 the Trustees purchased the main house at No.14 with the help of the Heritage Lottery Fund. The house will be restored in 2006 to enable the Museum to expand its educational activities.