Zealys House is a Grade II* listed building in the Wiltshire local planning authority area, England. First listed on 25 April 1950. House. 4 related planning applications.

Zealys House

WRENN ID
winding-groin-lake
Grade
II*
Local Planning Authority
Wiltshire
Constituency
Chippenham MP: Sarah Gibson (LD)
Country
England
Date first listed
25 April 1950
Type
House
Address
Zealys House, 53, St Mary Street, Chippenham, SN15 3JW
OS grid reference
ST 923 732
Coordinates
51.45779, -2.11171
Source
Historic England listing

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

Description

Zealy’s House is an early 18th-century house in Chippenham. It is a building of group value. Constructed with Flemish-bond red brick, it has ashlar dressings and a hipped stone slate roof with red brick stacks to the returns, along with a similar roof to the central dormer. The building has a double-depth plan.

The exterior is symmetrical, with a 5-window front, and is two storeys with an attic and basement. A coved eaves cornice conceals the gutter. The windows are 9/6-pane sashes, some with old glass. Ground-floor windows have cornices, and those on the first floor have architraves that die into the eaves cornice. The central first-floor window has a moulded archivolt with a mask to the keystone, moulded imposts, and radiating glazing bars to the top sash. Steps lead to a tall, pedimented doorcase with scrolled brackets, a moulded architrave, and a 3-pane overlight above a raised-and-fielded 6-panel door. A plaque reads "Jn Zealy surgeon." The ashlar plinth is rough to the lower courses.

The rear of the house has a symmetrical 5-window range with a mezzanine staircase window. The basement and ground floors feature 3- and 5-light mullioned windows, and there are timber 5-light mullioned dormers.

The interior is not documented in detail but is known to include an original staircase and some panelled rooms. Zealy’s House is a fine early 18th-century town house, notable for its early use of brick in this region.

Local climate

Zealys House 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 4 transactions since 2005
  • Related listed building consents — 4 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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Nearby listed buildings

  1. The Woodhouse Grade II* 10 m
  2. 51, St Mary Street Grade II 17 m
  3. The Old Vicarage and Attached Railings Grade II* 21 m
  4. 50, St Mary Street Grade II 27 m
  5. 46, 47 and 49, St Mary Street Grade II 40 m
  6. Group of 5 Chest Tombs Close to South Wall of South Chapel of Church of St Andrew Grade II 44 m
  7. St Mary House Grade II* 45 m
  8. Wall, Gate Piers, Railings and Bollards to Churchyard of Church of St Andrew Grade II 49 m
  9. Stable to the Old Vicarage and Attached Wall and Outbuilding Grade II 52 m
  10. Church of St Andrew Grade II* 55 m