Description from record TQ 67 SE 2:
[TQ 6611 7353] St. Mary's R.C. Church On site of ST. MARY'S CHURCH [G.T.] (1) The ruins of the former parish church of St. Mary, Denton, dating from the 12th c., were required by Arnold about 1900 and restored in the years following. In 1928 the church was made over to the Roman Catholic community. See plan AO/LP/64/60 (2), (2-4). In normal use: it can be said to incorporate the earlier remains rather than stand on their site (5). St. Mary's Roman Catholic Church, Denton. This was the original Parish Church of Denton before the present Parish Church was built in the 14th century. It is 12th-13th century. It fell into ruins at the Reformation and was restored in 1901. It was opened as a Roman Catholic Church in 1940. Built of flints with a tiled roof. Little mediaeval work visible outside (6). Additional bibliography. (7,8).

The following text is from the original listed building designation:
1. 5277 ROCHESTER ROAD (North East Side)
St Mary's Roman Catholic Church, Denton TQ 67 SE 7/33 23.1.52.
II
2. This was the original Parish Church of Denton before the present Parish Church was built in the C14. It is C12-C13. It fell into ruins at the Reformation and was restored in 1901. It was opened as a Roman Catholic Church in 1940. Built of flints with a tiled roof. Little mediaeval work visible outside.
Listing NGR: TQ6606873737 (10)

<1> O.S. 25" 1932 (OS Card Reference). SKE47800.

<2> Arch. Cant. 65, 1952, 143-4 (plan) (F.C. Elliston-Erwood) (OS Card Reference). SKE37028.

<3> "Denton" 1902, 44-54 (ilusts) (G.M. Arnold) (OS Card Reference). SKE32615.

<4> M.H.L.G. (1148/11/A, April 1951) 10. (OS Card Reference). SKE46237.

<5> F1 CFW 22-OCT-64 (OS Card Reference). SKE42711.

<6> DOE (HHR) Bor of Gravesham 1975 29 (OS Card Reference). SKE39795.

<7> Bldgs of Eng West Kent and the Weald 1980 301 (J Newman) (OS Card Reference). SKE38060.

<8> Field report for monument TQ 67 SE 2 - October, 1964 (Bibliographic reference). SKE3590.

<9> Diocese of Rochester (Tim Tatton-Brown), 1993, Denton near Gravesend, St Mary: Diocesan church survey (Unpublished document). SKE29615.

<10> English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.