The parish contains the villages of Upper Thurnham, Lower Thurnham, and Conder Green, and also Glasson Dock and the surrounding settlement. The Lancaster Canal and its branch to Glasson Dock pass through the parish and associated with these are listed bridges and locks. Also passing through the parish is the River Conder, and a bridge crossing this is listed. There are two country houses; these are listed together with structures associated with them. Most of the parish is rural, and there are some listed farmhouses. The other listed buildings include the chapter house of the former Cockersand Abbey, two public houses, two churches and associated structures, a milestone, two boundary stones, and two dock buildings.
The chapter house was later converted into a burial chamber. It is in sandstone with a slate roof. The building has an octagonal plan, with the west end squared off. There is an embattledparapet, a buttress with offsets on each angle, and a blocked window with a pointed arch on each side. Inside is a central pier and the walls are arcaded and contain memorials to the Dalton family. The building and the surrounding area is a Scheduled Monument.[2][3][4]
A mansion that was largely rebuilt in 1856, and later used as a golf club house. It is in sandstone with slate roofs. The older part consists of a medieval tower in red sandstone with diagonally-set angle towers and an embattledparapet. The newer part is in grey sandstone, it is in Gothic style, and its features include battlements, tall chimneys, towers and turrets.
The wall connects the hall to the gatehouse. It is in sandstone, and has a stepped triangular coping. It incorporates a blocked doorway with a moulded surround and a segmental arch.[5]
The wall connects the hall to the gatehouse. It is in sandstone, and has a stepped triangular coping. It incorporates a moulded doorway with a segmental arch.[6]
The gatehouse is in sandstone and consists of a single segmental arch. On the west side are two Doric columns with an entablature and three square finials. To the left is living accommodation added in the 19th century in two storeys.[7]
The former stables, later converted into a house, are in sandstone with a stone-slate roof. The house has two storeys and five bays. The windows are mullioned, and the doorway has long-and-short jambs, a plain lintel, and a hood. At the rear is a first-floor doorway with a Tudor arched head, later converted into a window.[10][11]
A pebbledashed stone house with a slate roof in two storeys. On the main front are the re-set heads of two Perpendicular windows; elsewhere most of the windows are modern. Inside the house is a bressumer.[12][13]
The barn is in sandstone and cobble with a slate roof.. It has seven bays, and incorporates re-used dressings from Cockersand Abbey. The openings include doorways, windows, a wide entrance, and ventilation slits.[12][16]
The farmhouse is in sandstone with a slate roof, and has two storeys and three bays. There is one mullioned window, the others being sashes or modern. On the front is a gabled porch, and the inner doorway has a chamfered surround and an inscribed shaped lintel, Inside the house is a bressumer.[17]
A stone house with a slate roof, in two storeys and two bays. The windows, some of which are modern, are mullioned. The doorway has a chamfered surround and an inscribed shaped lintel.[18]
The farmhouse is in pebbledashedsandstone and has a steep slate roof. There are two storeys and three bays. The windows and doors have plain surrounds and inside the house is a bressumer.[19]
The bridge carries Tarnwater Lane over the Lancaster Canal. It is in sandstone and is a tall bridge with a concave plan and a single elliptical arch. The bridge has an impost band, a triple keystone, and a solid parapet with rounded coping.[22]
The building on Glasson Dock is in sandstone with a slate roof and is in one storey. On the south gable is a square chimney broaching to an octagon, and on the south gable is an octagonal lantern with a metal roof.[23]
The bridge carries Carr Lane over the Lancaster Canal. It is in sandstone with a concave plan, and consists of a single semi-elliptical arch with a triple keystone. The centres of the solid parapets have been replaced by railings.[27]
A public house in rendered stone with a slate roof, it has three storeys and a symmetrical front of three bays. In the outer bays are two-storey cantedbay windows. The windows in the lower two floors are sashes, and the central doorway has a plain surround.[12][28]
The boundary stone is in sandstone and has a triangular plan. The left face is inscribed with "Ashton with Stodday", and the right face with "Scotforth".[33]
The bridge carries the A588 road over the River Conder. It consists of a single segmental arch, with terminal piers. There are further piers at the ends of the abutments, and the bridge has a solid parapet.[34]
The milestone is in sandstone with cast iron plates. It has a triangular section, and the plates are inscribed with the distances in miles to Lancaster and to Garstang.[35]
The mausoleum is in the churchyard of the Church of St Thomas and St Elizabeth. It is in sandstone, in Egyptian style, and has a rectangular plan. There are buttresses on the corners, and a coved mouldedcornice. On the sides are doorways with architraves, and on the south front are four recessed Egyptian columns with bud bases, reeded bands, fluting, and bell capitals with papyrus decoration.[8][36]
The cross is in the churchyard of St Thomas and St Elizabeth. It is in limestone on a sandstone base. The cross stands on three octagonal steps and has an octagonal pedestal and shaft, On this is a moulded cap and a foliated cross head.[40]
The chapel, attached to the south of the hall, was a Catholic private chapel. It is in sandstone with a slate roof. It has two embattled turrets, and an embattled parapet. The west end is gabled, with a three-light window. On the south side are triple stepped lancet windows with Tudor arched heads. Inside, there are galleries on the east and north sides.[8][42]
The conduit consists of a stone-lined circular shaft. The walls, in sandstone, are carried by low bridges with segmental arches. Above is part of the frontispiece from the old Ashton Hall, dating from about 1600, that was moved here when the hall was demolished in the 19th century. It contains two pairs of Ionic columns on decorated pedestals, an entablature with a frieze, and a gable with ball finials.[43]
Brandwood, Geoff; Austin, Tim; Hughes, John; Price, James (2012), The Architecture of Sharpe, Paley and Austin, Swindon: English Heritage, ISBN978-1-84802-049-8
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