14 2& 3 bed properties built between 1930-1940. Cavity wall 50mm cavity which has been insulated previously. Client want to insulate externally (whole house approach) and install air source heat…
14 2& 3 bed properties built between 1930-1940. Cavity wall 50mm cavity which has been insulated previously. Client want to insulate externally (whole house approach) and install air source heat…