50, St Mary Street is a Grade II listed building in the Wiltshire local planning authority area, England. First listed on 25 April 1950. House. 1 related planning application.

50, St Mary Street

WRENN ID
sacred-sentry-dawn
Grade
II
Local Planning Authority
Wiltshire
Constituency
Chippenham MP: Sarah Gibson (LD)
Country
England
Date first listed
25 April 1950
Type
House
Address
50, St Mary Street, Chippenham, SN15 3JW
OS grid reference
ST 923 731
Coordinates
51.45756, -2.1116
Source
Historic England listing

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

Description

No. 50 St Mary Street is a house dating from the 17th century, which was refronted in the early 19th century. It features a facade made of limestone ashlar and a rubblestone rear, topped with a double-pitched stone slate roof that is hipped at the rear wing. There is a stone stack with a brick shaft located at the rear right. The building has a 4-unit plan with a rear wing and stands two storeys tall with a four-window range.

The exterior includes a parapet, cornice, and bands for the lintels and sills, although the ground-floor sills are now at street level due to the road being raised. The first floor has early to mid-18th century 6/6-pane sash windows with thick glazing bars, while the ground floor features late 20th-century replacements. The window to the far right, located above the door, has a wider spacing, suggesting that the original door was positioned inside to the right, leaving a service room to the far right. Above the door, there is a shallow hood supported by moulded stone brackets, leading to a 19th-century door with three tall panels over three short ones. At the rear, there are two- and three-light windows with cyma-moulded mullions. The interior has not been inspected but is likely to be of interest.

Local climate

50, St Mary Street receives an average of 820 mm of rain a year. This makes it wetter than 50% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 51% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 56% 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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  • No EPC on record for this property
  • Sale history — 1 transaction since 2006
  • Related listed building consents — 1 application
  • 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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Nearby listed buildings

  1. 51, St Mary Street Grade II 10 m
  2. 46, 47 and 49, St Mary Street Grade II 13 m
  3. The Woodhouse Grade II* 17 m
  4. Zealys House Grade II* 27 m
  5. St Mary House Grade II* 31 m
  6. 45, St Mary Street Grade II 36 m
  7. Stable Block and Attached Walls and Gate Piers to St Mary House (Number 15) Grade II 37 m
  8. 16, St Mary Street Grade II* 44 m
  9. The Old Vicarage and Attached Railings Grade II* 48 m
  10. 17, St Mary Street Grade II 48 m