The De Grey Mausoleum Adjoining Church of St John the Baptist is a Grade I listed building in the Central Bedfordshire local planning authority area, England. First listed on 23 January 1961. A 1614 (with 1705 extension) Mausoleum.

The De Grey Mausoleum Adjoining Church of St John the Baptist

WRENN ID
shifting-doorway-swallow
Grade
I
Local Planning Authority
Central Bedfordshire
Constituency
Mid Bedfordshire MP: Blake Stephenson (Con)
Country
England
Date first listed
23 January 1961
Type
Mausoleum
OS grid reference
TL 059 358
Coordinates
52.01111, -0.45764
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The De Grey Mausoleum, built in 1614 by Henry Grey, 5th Earl of Kent, owner of Wrest Park, and extended in 1705 to the east by Henry Earl of Kent, adjoins the Church of St John the Baptist in Flixton. The mausoleum is encased in colourwashed cement render, with brick coping to embattled parapets and shaped gables, and has slate roofs. It is cruciform in plan, and incorporates the north and east elevations of the church’s chancel.

The western block, which is the original structure, features two three-light windows under flat heads on the north elevation; the eastern one is blocked. The exterior is relatively plain, with recessed panels articulating the elevations. The interior is architecturally simple and contains a significant collection of funerary monuments.

These include a monument to Henry Grey, 5th Earl of Kent, dated 1614, featuring polychromed alabaster recumbent figures on a tomb chest, and a monument to Lady Elizabeth Talbot, dated 1653, made of polychrome marble with Ionic columns, an open segmental pediment, and garlands. Further monuments commemorate Henry Grey, 9th Earl of Kent (erected 1658), Lady Jane Hart (dated 1673), Henrietta de Grey and Henry de Grey (dated 1716 and 1717 respectively), Anthony de Grey, Earl of Harrold (1726, by Dowyer), Henry de Grey, Duke of Kent, and his two wives (1740, designed by Edward Shepherd, with a figure of the Duke thought to be by Rysbrack), Philip, Earl of Hardwicke (1790, by Banks), Henrietta Frances, Countess de Grey (1848, by Terence Farrell), and Thomas Philip de Grey, Lord Lucas (1859, by Matthew Noble). The De Grey Mausoleum is notable for containing one of the finest series of funerary monuments in the country.

Local climate

The De Grey Mausoleum Adjoining Church of St John the Baptist sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 86% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 85% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, fewer than 53% of listed buildings. Of these, 16 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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