Church of St Mary Ponsbourne is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 9 December 1983. Church.

Church of St Mary Ponsbourne

WRENN ID
roaming-banister-thistle
Grade
II
Local Planning Authority
Welwyn Hatfield
Constituency
Hertsmere MP: Sir Oliver Dowden (Con)
Country
England
Date first listed
9 December 1983
Type
Church
Address
Church of St Mary Ponsbourne, Newgate Street
OS grid reference
TL 301 050
Coordinates
51.72889, -0.11675
Source
Historic England listing

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

Description

The Church of St Mary Ponsbourne is a church built in 1848 and enlarged in 1858 by Lander and Bedells, with the chancel added in 1887 by H Hardwicke Langston. It is constructed from rusticated stone and topped with a slate roof, featuring a cruciform plan in the Early English Gothic style. The steeple at the southwest angle includes a porch, with a square buttressed base that transitions to an octagonal spire adorned with a miniature arcade of trefoiled arches at its base. The west door has three orders of arches and shafts with stiff leaf capitals. The nave features a three-light west window, single lancets on the sides, and triple lancets in the transepts, with a dogtooth course at the eaves. The chancel has corbelled eaves and a three-light plate tracery east window.

Inside, the church is undivided, with a collar purlin roof supported by bosses that feature carved wooden angels. An elaborate circular stone pulpit showcases naturalistic leaf carving and sculptured figures at its base.

Local climate

Church of St Mary Ponsbourne sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 94% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 58% 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.

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