Church of St Mary is a Grade I listed building in the Watford local planning authority area, England. First listed on 26 August 1952. A C15 Church. 2 related planning applications.

Church of St Mary

WRENN ID
lunar-sentry-dawn
Grade
I
Local Planning Authority
Watford
Constituency
Watford MP: Matt Turmaine (Lab)
Country
England
Date first listed
26 August 1952
Type
Church
Address
Church of St Mary, Church Street, WD18 0EG
OS grid reference
TQ 110 963
Coordinates
51.65467, -0.39571
Source
Historic England listing

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

Description

The Church of St Mary is a Grade I listed building, primarily constructed in the 15th century. It features a flint and stone structure with a broad west tower in the Hertfordshire style, which consists of three stages, diagonal buttresses, battlements, a north-east stair turret, and a lead spirelet. The church has a low, broad six-bay nave with a clerestory and a low pitch timber roof supported by arched braces on corbels, with octagonal piers and aisles.

The chancel, mostly from the 15th century, includes a chancel arch and piscina from the 13th century. There is a south chapel from the 15th century that was significantly altered in 1871, and a north chapel dating to 1597, which features a Tuscan column at the chancel opening and a mullion and transom east window. The chancel east window has six lights.

A major restoration took place in 1871, led by architect J T Christopher, during which the exterior was refaced, battlements were added to the tower, the south aisle walls were rebuilt, and new roofs were installed for the south aisle and the south and north chapels. Notable interior features include an ornate stone font carved by Forsyth and a stone reredos carved by E Renversey. The pulpit, dating from 1714 and created by R Bull, has carved borders on its panels, although its stem was cut down in 1848.

The north chancel chapel contains outstanding monuments, including two wall monuments by Nicholas Stone: one for Sir Charles Morison from 1598 and another for his son, also Sir Charles, from 1628. There is also a wall monument to Lady Dorothy Morison from around 1618, along with later marble tablets commemorating Anne Denne from 1790, by J Golden, Henry Ewer from 1667, and J Vernon from the mid-18th century. Additionally, there are brasses commemorating Hugh de Holes and his wife from the early 15th century, and three Morison retainers from the early 17th century. A French or Flemish vestment cupboard from around 1730 features carved reliefs, and the royal arms were painted in 1736. The 18th-century finials on the tower were removed in 1871. A modern church hall extension has been added to the south.

Local climate

Church of St Mary 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 31 freeze-thaw cycles a year, fewer than 61% of listed buildings. Of these, 15 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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  • Related listed building consents — 2 applications
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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