[4] The present building is built in limestone and is cruciform in plan; its earliest parts are from the 11th century, within the crossing and the base of the tower.

[5] The church underwent thorough restoration by Sir Arthur Blomfield in 1887-9: the nave was again rebuilt, now longer, in Perpendicular style, with ten lights each side in the clerestory; and the chancel was extended west into the crossing.

[5] These include a reredos and choir stalls by the firm of Harry Hems, together with metal chancel screens and gates, and tiles by William Godwin.

[5] Stained glass of various 19th-century dates includes work of Burlison and Grylls, Henry Holiday and Clayton & Bell.

[5] 1825 to 1841: William Dalby, who held services at the workhouse for the people of Warminster Common, and instigated the building of Christ Church there in 1831.

Described as talented and zealous by the Wiltshire Victoria County History,[3] he established a reformatory school in 1856,[9] and instigated restoration of St Lawrence's chapel in 1855–6.

The people of the town bought the chapel in 1574, giving it the status of a non-royal peculiar outside the jurisdiction of the Church of England.