Team Building in Northampton. Northampton is a town in England’s East Midlands region. The house at 78 Derngate, remodeled by architect Charles Rennie Mackintosh in 1916–1917, is now a museum. Abington Park Museum has local history and fashion exhibits. Barnes Meadow Nature Reserve has grassland and wetland bird habitats. Sywell Country Park, built around a former reservoir, includes meadows, a playground and a native butterfly garden.