British Listed Buildings

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Observatory at South Wing, St Ibbs, 90 Metres to West South West of House, St Ippolyts

Description: Observatory at South Wing, St Ibbs, 90 Metres to West South West of House

Grade: II
Date Listed: 28 May 1987
English Heritage Building ID: 162660

OS Grid Reference: TL1931026562
OS Grid Coordinates: 519310, 226562
Latitude/Longitude: 51.9248, -0.2664

Location: Ippollitts, Hertfordshire SG4 7NL

Locality: St Ippolyts
Local Authority: North Hertfordshire District Council
County: Hertfordshire
Country: England
Postcode: SG4 7NL

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Explore more of the area around St Ippolyts, Hertfordshire at Explore Britain.

Listing Text

TL 12 NE (West side)
St. Ibbs

3/48 Observatory at South Wing,
- St. Ibbs, 90M to WSW of


Observatory. 1801 for Rev. William Lax, bill extant from Isaac Newton
glazier and plumber of Hitchin for work on it, probably re-using
materials from observatory dismantled from over great gate at Trinity
College, Cambridge, in 1797 (Lax's college). Red and black brick in
header bond; vertical boarding to top band. Roof collapsed. A small
circular building in middle of garden now rather overshadowed by trees.
About 3M of brickwork topped by about 1M timber cowl with small windows
at the cardinal points, part of the rotating cap. Wide segments of wall
thickened externally by 9 inches for full height (one containing
fireplace and flue) with recesses occupied by 3 windows and entrance on
E. Wooden window frames, segmental arches, and 4-panels flush-beaded
door with stone threshold. Remains of slate cap on floor. Interior lined
with matchboarding.

Listing NGR: TL1931026562

This text is a legacy record and has not been updated since the building was originally listed. Details of the building may have changed in the intervening time. You should not rely on this listing as an accurate description of the building.

Source: English Heritage

Listed building text is © Crown Copyright. Reproduced under licence.