Nothing contained in this subchapter shall be construed to render property liable to liens under this chapter for repairs, alterations or additions, when such property has been altered, added to or repaired by or at the instance of any lessee or tenant without the prior written consent of the owner or the owner’s duly authorized agent.

16 Del. Laws, c. 145, § ?1; Code 1915, §§ ?2843, 2843A; 29 Del. Laws, c. 225; 38 Del. Laws, c. 159; Code 1935, § ?3324; 25 Del. C. 1953, § ?2722; 84 Del. Laws, c. 42, § 100;