St Mary's Abbey is a Grade II listed building in the Barnet local planning authority area, England. Convent, chapel. 8 related planning applications.
St Mary's Abbey
- WRENN ID
- stony-threshold-sedge
- Grade
- II
- Local Planning Authority
- Barnet
- Constituency
- Hendon MP: David Pinto-Duschinsky (Lab)
- Country
- England
- Type
- Convent, chapel
- Address
- St Mary's Abbey, the Ridgeway
- OS grid reference
- TQ 221 931
- Coordinates
- 51.62393, -0.23691
- Source
- Historic England listing
Description
St Mary's Abbey is a convent and chapel built in 1872-3 by Goldie and Child. The building is constructed of red brick with stone dressings, topped with a slate roof and a wooden fleche. It is designed in the Gothic Revival style. The abbey is three storeys high, with eight bays, and features an asymmetrical projecting curved staircase tower on the eastern front, topped with a French-style apsidal roof. The upper floor has flat-arched windows, while the ground and first floors have pointed windows. A central timber porch provides access to the building. The western front is divided into three blocks linked by a single-storey corridor with a central entrance porch. Two blocks flank the chapel, which has a three-sided apsidal end with single lancet windows.
Inside the chapel, the ceiling is supported by slender wooden ribs resting on wooden moulding, with carved angel brackets at intervals. A small wooden gallery with a pair of arched doors is located above the main entrance. The principal staircase is wooden, featuring a pierced star pattern balustrade. The building is listed for group value with the adjacent St Francis’s Chapel.
Local climate
St Mary's Abbey 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 98% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 66% of listed buildings. Of these, 13 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 7 transactions since 2004
- Related listed building consents — 8 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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