County Durham on Wikipedia.

Annfield Plain, St. Aidan. © Bill Henderson.
Auckland, St. Helen. © Bill Henderson.
Aycliffe, St. Andrew. © Bill Henderson.

Baldersdale, Wesleyan Methodist Chapel, dating from 1861. © Steve Bruce.
Barnard Castle.
Barningham, St. Michael and All Angels. Interior view. The former Wesleyan Methodist Church, now a private residence, dates from 1815. All © Alan Blacklock.
Beamish, the former Pit Hill Methodist Chapel (previously Wesleyan, built 1854), now re-erected at the Beamish Museum. Pit Hill was the previous name of Beamish village. Interior view. Both © Steve Bulman.

Bearpark, Methodist Church. © Steve Bruce.
Bearpark Colliery, former Chapel, now derelict. Primitive Methodist Church. Both © Steve Bruce.
Billingham, St. Cuthbert. © Bill Henderson.
Bishop Auckland, dedicated to St. Andrew. © Bill Henderson. Methodist Church. Church of St. Anne. Link. Both © Alan Blacklock.
Boldron, Methodist Church. © Steve Bruce.
Bournmoor, St. Barnabas. © Bill Henderson.
Bowburn, Christ the King (R.C.). Designed by Harold Wharfe in the 1960's, Percival describes this as "one of the most bizarre I've ever seen". It would be hard to disagree. © Percival Turnbull. Percival has advised (Sept 2007) that permission to demolish the dome has been granted, though the "spire", which he describes as looking like a "crashed aeroplane" will remain. Bowburn Methodist Church. © Bill Henderson. Added in June 2007 - Alan Blacklock advises that the demolition of Christ the King has been announced recently in the local paper.
Bowlees, the former Methodist Chapel, now a Visitor Centre. © Steve Bruce.
Brandon, Methodist Church. © Steve Bruce.
Brignall, St. Mary. 92 NZ 072 123. © Philip Kapp. Another view. © Alan Blacklock.
Browney Lane, Methodist Church, dating from 1929. © Steve Bruce.
Burnopfield, St. James. Methodist Church. Both © Bill Henderson.
Byers Green, St. Peter the Apostle. Methodist Church. Both © Alan Blacklock.

Cassop, Methodist Church. © Bill Henderson.
Castleside, St. John the Evangelist. © Bill Henderson.
Chester-le-Street.
Chester Moor, former Methodist Chapel, now a model shop. Next door stands a restaurant known as "God's Kitchen", this newspaper article says it is a former church. Can you give it a name? Both © James Murray.
Chilton, St. Aiden. © Bill Henderson.
Cockfield, St. Mary the Virgin. © Alan Blacklock.
Consett.
Cornforth, Wesleyan Chapel. © Bill Henderson.
Cornriggs, Primitive Methodist Chapel. © Martin Briscoe.
Cotherstone, Methodist Chapel. 91 NZ 012 198. © Philip Kapp. Former Wesleyan Methodist Chapel. © Steve Bruce. Congregational Church. © Steve Bruce.
Counden, St. James. © Bill Henderson.
Cowshill, St. Thomas. NY 855 406. © Martin Briscoe.
Crook.
Croxdale, St. Bartholomew. © Bill Henderson.

Darlington.
Delves Lane, near Consett, Methodist Chapel. © Dave Foreman.
Dipton, St. John the Evangelist. © Dave Foreman. Another view. © Alan Blacklock.
Durham.

Easington, St. Mary the Virgin. © Bill Henderson.
East Briscoe, Free Gospel Chapel, formerly Methodist. © Steve Bruce.
East Hedleyhope, Methodist Church. © Steve Bruce.
Eastgate, All Saints. Cuthbert Bainbridge Memorial Wesleyan Chapel, dating from 1891. Both © Alan Blacklock.
Ebchester, St. Ebba or Ebbe. From an old postcard (franked 1909), Bulman Collection.
Egglesburn, Baptist Chapel, formerly Methodist. © Steve Bruce.
Egglescliffe, St. John the Baptist. © Bill Henderson. Link.
Eggleston, Methodist Church. © Bill Henderson.
Eldon, St. Mark. © Alan Blacklock.
Escombe, the Saxon church (no known dedication). © Bill Henderson.
Esh Winning, Methodist Church. Wesleyan Methodist Church at Newhouse. Both © Steve Bruce.
Evenwood, St. Paul. Cornerstone Christian Centre. Link. Both © Alan Blacklock.

Ferryhill, Kingdom Hall of Jehovah's Witnesses. Former church, now used by a firm of undertakers. Can you advise former denomination? Both © Bill Henderson.
Finchale, the Priory. © James Murray. Link.
Forest in Teesdale, St. James the Less. Former Methodist Church. Both © Alan Blacklock. Another view of the Methodist when disused. © Steve Bruce. Primitive Methodist Church. © Steve Bruce.
Framwellgate Moor, St. Aidan. Methodist Church (formerly Ebenezer). Both © Bill Henderson.
Frosterley, St. Michael & All Angels. Methodist Church. Both © Bill Henderson. Link.

Gainford, St. Mary. Another view. Wesleyan Methodist Chapel (dating from 1834). St. Osmund (R.C.). Another view. All © Alan Blacklock.
Grassholme, Methodist Chapel (on the north side of Selset reservoir). 91 NY 912 220. © Philip Kapp.
Great Lumley, Christ Church. © James Murray.
Greatham, St. John the Baptist. Interior view. Independent Methodist Church. All © Alan Blacklock.

Hartlepool.
Harwood, Methodist Church. © Steve Bruce.
Haswell, St. Paul. © Bill Henderson. Link.
Heighington, St. Michael. Interior view. Both © Alan Blacklock.
High Coniscliffe, St. Edwin. © Alan Blacklock.
Holwick, former Primitive Methodist Chapel. © Steve Bruce.
Houghton le Side, Methodist Church. © Martin Briscoe.
Hutton Henry, St. Francis; built as a WWII war memorial. © Bill Henderson.
Hutton Magna, St. Mary. © Alan Blacklock.

Ingleton, St. John the Evangelist. NZ 174 206. Methodist Church. NZ 175 206. Both © Steve Bulman.

Kirklevington, St. Martin. © Bill Henderson.
Kirk Merrington, St. John the Evangelist. © Bill McKenzie.

Lanchester, All Saints. © Dave Foreman. Another view. © Bill Henderson.
Langley Moor, the former Willis Memorial Methodist Church, now a garage. © Steve Bruce.
Leadgate.
Lumley - see Great Lumley.

Medomsley, St. Mary Magdalene. © Dave Foreman.
Merrington. © Bill Henderson.
Mickelton, Primitive Methodist Chapel. Wesleyan Methodist Chapel. Both © Steve Bruce.
Middleton-in-Teesdale, Wesleyan Methodist Church. Primitive Methodist Church. Baptist Church at Middleton Hude. All © Steve Bruce.
Murton, dedicated to the Holy Trinity. St. Joseph (R.C.). Both © Bill Henderson.

New Brancepeth, Wesleyan Methodist Church. © Steve Bruce.
New Seaham, Christ Church. © Bill Henderson.
Newbiggin, Methodist Church. © Steve Bruce.
Newbottle, St. Matthew. © Bill Henderson.
Newton Aycliffe.

Old Seaham, St. Mary. © Bill Henderson.

Philadelphia, Spiritualist Church. © Bill Henderson.
Piercebridge, St. Mary. NZ 201 158. © Steve Bulman.
Pit Hill - see Beamish, above.

Ramshaw, Methodist Church. © Alan Blacklock.
Romaldkirk, St. Romald. Percival recommends a visit to this church, which contains some early masonry, and interesting church furniture. © Percival Turnbull. Methodist Church. © Steve Bruce.
Rookhope, St. John the Evangelist. © Alan Blacklock. Link.

St. Helen Auckland, St. Helen. Link. St. Paulinus (R.C.). Link. Both © Alan Blacklock.
St. John's Chapel, St. John the Baptist. © Bill Henderson. Methodist Church. NY 883 380. © Martin Briscoe.
Seaham Harbour, St. John the Evangelist. St. Mary Magdalen (R.C.). Both © Bill Henderson.
Seaton Carew, Holy Trinity. © Alan Blacklock. Link.
Sedgefield, St. Edmund. Link. St. John Fisher (R.C.). Both © Bill Henderson.
Sherburn, St. Mary the Virgin. © Bill Henderson.
Shildon.
Shiney Row, St. Oswald. © Bill Henderson.
Shotton, St. Saviour. © Bill Henderson.
South Church, St. Andrew. Wesleyan Chapel, dating from 1899. Both © Alan Blacklock.
Spennymoor.
South Hetton, Holy Trinity. NZ 377 452. © Bill Henderson. Another view. © James Murray. Church of unadvertised denomination. NZ 383 451. © Steve Bulman. Former Wesleyan Methodist Church (dating from 1890), now in industrial use. © James Murray.
Staindrop, St. Mary. NZ 131 207. © Bill Henderson. Methodist Church, formerly Wesleyan. NZ 129 207. © Steve Bulman. Primitive Methodist Church. © Steve Bruce.
Stanhope, dedicated to St. Thomas. © Bill Henderson.
Stanley.
Stockton-on-Tees.

Tanfield, St. Margaret of Antioch. © Bill Henderson. Link.
Tanfield Lee, Methodist Church. © Peter Morgan. Another view. © Bill Henderson.
Thornley (nr. Crook), St. Bartholomew, dating from 1842-3. Bill described it as "apparently either disused or under repair." Methodist Church. Gospel Hall. All © Bill Henderson.
Thornley (nr. Durham), Sacred Heart and English Martyrs (R.C.). Methodist Church. Both © James Murray.
Thringarth, Wesleyan Methodist Chapel. © Steve Bruce.
Tow Law, St. Philip and St. James. Link. St. Joseph (R.C.). Wesleyan Methodist Church. All © Bill Henderson.

Ushaw Moor, Methodist Church. © Steve Bruce.

Waterhouses, Russell Street Wesleyan Methodist. © Steve Bruce.
West Auckland, Methodist Church. © Bill Henderson.
West Pelton, St. Paul. © Bill Henderson.
West Rainton, St. Mary the Virgin. Link. Presumed former chapel at Leamside, now  private residence. Both © James Murray.
Westgate, St. Andrew. Methodist Church. Both © Alan Blacklock.
Wheatley Hill, All Saints. © James Murray.
Willington, St. Stephen. © Alan Blacklock.
Wingate, St. Francis. Holy Trinity. Both © Bill Henderson.
Winston, St. Andrew. © Bill Henderson. Methodist Church. © Steve Bruce.
Witton le Wear, St. Philip and St. James. Methodist Church. Both © Bill Henderson.
Wolsingham, St, Thomas of Canterbury. Methodist Church. Baptist Church. All © Bill Henderson.
Woodland, St. Mary, one of the "tin" churches. © Alan Blacklock. Methodist Church, formerly Wesleyan. . © Steve Bruce.