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Latitude: 54.674 / 54°40'26"N
Longitude: -1.629 / 1°37'44"W
OS Eastings: 424020
OS Northings: 531057
OS Grid: NZ240310
Mapcode National: GBR KG2D.38
Mapcode Global: WHC52.YSF6
Entry Name: Westerton Folly at Nz 2402031057
Listing Date: 20 September 1972
Source: Historic England
Source ID: 1196452
English Heritage Legacy ID: 385618
Location: County Durham, DL14
County: County Durham
Electoral Ward/Division: Coundon
Parish: Non Civil Parish
Traditional County: Durham
Lieutenancy Area (Ceremonial County): County Durham
Church of England Parish: Coundon
Church of England Diocese: Durham
Westerton Folly at NZ 2402031057
Observatory. Used at one time as reading room and by 1924 as
council office. c1765. For Thomas Wright of Byers Green.
Rubble stone with ashlar dressings; no roof. Tall round tower
of 3 storeys.
Ground floor has 6 shallow buttresses with offsets and coping.
Rusticated round-headed surround to blocked door at east.
Plain stone Tudor-arched surround between 2nd and 3rd
buttresses left from door. Cross arrow slits in ground floor.
First floor band. Arrow slits and small lancet slits, probably
stair lights, above. Each upper floor has a round-headed
opening facing north-east. All lights blocked except
first-floor south-east lancet and second floor larger opening.
Top band. No access to interior.
Commemorative plaque to left of door, "This observatory tower
was erected by Thomas Wright born at Byers Green 1711 died
there 1786. To commemorate his treatise THEORY OF THE UNIVERSE
published 1750, this tablet was placed here by the University
of Durham 1950."
(Surtees H C: History of the Parish of Coundon: Mainsforth:
Listing NGR: NZ2402031057
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Other nearby listed buildings