(b)upon any land lying between the building line and the control line proposed to be fixed under sub-section (2), or fixed under sub-section (1) of section 6. as the case may be.-(i)construct, form or lay out any means of access to or from a highway, or(ii)erect any building, or(iii)materially alter any existing building, or(iv)make or extend any excavation, or a highway. or