Wikipedia says the works were done in 1850 but the church's own website confirms the date in the plaque and seems to say that all the Victorian alterations were undone ("a restoration of the church to its original state") between the 1960s and 2004.
This section lists the memorials where the subject on this page is commemorated:
Christ Church Spitalfields - alterations
Commemorated ati
Christ Church Spitalfields - alterations
"Entensive" seems to be a portmanteau (mash-up) of "extensive" and "intensive".
Other Subjects
1 memorial
Norman & Underwood Ltd
Roofing, structural glazing and building conservation contractors. The picture source link takes you to their full history page, with a video.
1 memorial
John Mowlem and Co. Ltd
One of the largest construction and civil engineering companies in the UK. John Mowlem (1788 – 1868) stonemason and builder founded a quarrying and construction company 'Mowlem, Burt and Freeman' i...
2 memorials
Ted Christmas
Builder. Born Edward Charles Christmas in Lewisham. He set up his business around 1890, initially building large detached houses, and then less expensive ones in the Perry Vale area, where his styl...
1 memorial
Joan Bartlett, O.B.E
Vice President of the National Federation of Housing Associations. Born London. Leading Catholic involved in housing needs.
1 memorial