18a, High Street is a Grade II listed building in the Wiltshire local planning authority area, England. First listed on 20 December 1960. House.

18a, High Street

WRENN ID
patient-bastion-fog
Grade
II
Local Planning Authority
Wiltshire
Constituency
Chippenham MP: Sarah Gibson (LD)
Country
England
Date first listed
20 December 1960
Type
House
Address
18a, High Street, Lacock
OS grid reference
ST 916 684
Coordinates
51.41492, -2.12216
Source
Historic England listing

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

Description

No. 18A High Street is a house from the mid-18th century, built on an earlier structure. It features a limewashed ashlar exterior and a stone slate roof, with a rear wall stack. The building is two storeys high and was originally designed with three windows but has been extended to four. The original section has a raised plinth, a dripcourse, and a moulded timber eaves cornice. It includes leaded 2-light bead-moulded mullion windows and a central panelled door surrounded by a beaded frame, topped with a hood supported by brackets. The left bay is roughcast and limewashed, matching the plinth, dripcourse, and eaves cornice of the original range. It has a pair of leaded casements on the first floor and a canted bay window on the ground floor, set on a brick base with a door to the left. The end wall is plastered and likely timber-framed. Inside, the right room on the ground floor features a large fireplace with a cambered timber lintel, and some timber-framing is exposed within the building and in the rear wing.

Local climate

18a, High Street receives an average of 830 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 57% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, fewer than 51% 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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  • 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. 18, High Street Grade II 10 m
  2. 20, High Street Grade II 17 m
  3. Village Cross 10m S of Lacock Church of England Primary School Grade II* 24 m
  4. 21, High Street Grade II 25 m
  5. 8, High Street Grade II 29 m
  6. 9, High Street Grade II 29 m
  7. Lacock Primary School Grade II 30 m
  8. 10, High Street Grade II 31 m
  9. 22, High Street Grade II 33 m
  10. 6 and 7, High Street Grade II 33 m