Thetford on Wikipedia.

Church of Jesus Christ of Latter-day Saints on Station Road was seen by Streetview in 2021.

Hope Church meet in The Williamson Hall in Thetford Grammar School on Bridge Street. I don't know exactly which part of the school this is, but here's a general view, from Streetview in 2021. Link.

King Street Baptist Church. TL 8709 8311. © John Balaam (2021). Link.

Methodist Church on Tanner Street. TL 8701 8307. © John Balaam (2021). Link.

The cemetery on London Road has a double Mortuary Chapel, seen distantly here by Streetview in 2021. TL 8635 8257. Further away from the road but still within the cemetery, old maps mark St. Margaret's Church (site of). TL 8635 8252. Link.

The ruins of the Priory of Our Lady of Thetford (Cluniac). Another view. TL 8662 8339. Both © James Murray. Link.

The ruins of the Priory of St. Sepulchre, off Brandon Road, as seen by Streetview in 2021. Link. Grade I listed.

St. Cuthbert on Well Street and King Street. TL 8712 8307. From an old postcard in Reg Dosell's Collection. A modern view, © Chris Emms (2009), and another, © John Balaam (2021).

The former St. Mary the Less (15th century) on Bury Road was closed and for sale in 2012. Another view, and two interior views - 1, 2.  TL 8679 8282. All © Abbotts Countrywide, and reproduced with their kind permission, and the efforts of Mike Berrell. Two more views - 1, 2, both © John Balaam (2021). John advises of recent repairs to consolidate the remains. Link (sales prospectus). Grade II* listed.

St. Peter on Whitehart Street. TL 8692 8317. From an old postcard in Colin Waters' Collection. A modern view, © Chris Emms (2009). Mike Berrell has advised that this church closed in 2007 (news item). Grade II* listed.

St. Mary (R.C.) on Newtown, as seen by Streetview in 2021. TL 8666 8284. Link. Its About page dates it to 1826.