The new homes in London and the Home Counties will be built over the next four years and join a quartet of new schemes currently under construction.
GB Building Solutions is currently building a £13m home for Signature in Kingston-upon-Thames, a £11m job in Marlow and a £13m scheme in Epsom.
Higgins is currently completing a £12m home in Brentwood, Essex
Signature has acquired or is in negotiation for additional identified sites in south east England which are in various stages of development.
Director of Development and Construction Wayne Price said his team expect to begin construction of seven more projects over the next few years.