18 and 20, St Johns Street is a Grade II listed building in the Wiltshire local planning authority area, England. First listed on 1 July 1976. Cottage. 1 related planning application.

18 and 20, St Johns Street

WRENN ID
ghost-vault-torch
Grade
II
Local Planning Authority
Wiltshire
Constituency
South Cotswolds MP: Dr Roz Savage (LD)
Country
England
Date first listed
1 July 1976
Type
Cottage
Address
18 and 20, St Johns Street, Malmesbury, SN16 9BW
OS grid reference
ST 935 869
Coordinates
51.58176, -2.09517
Source
Historic England listing

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

Description

18 and 20 St John's Street are a pair of attached cottages built in the late 18th century or early 19th century. They are constructed from limestone rubble, with No. 18 rendered and featuring brick dressings and gable stacks. The cottages have a double Roman tiled roof and a double-depth plan, each standing three storeys tall with a single window range. The design is symmetrical, with central doorways that have cambered heads and half-glazed doors. No. 20 has sash windows in exposed boxes, with 8/8 panes on the ground floor and 2/2 panes on the first and second floors beneath the eaves. No. 18 features mid-20th century windows. Inside No. 18, there is a central right-hand stair with a boarded door at the bottom.

Local climate

18 and 20, St Johns Street receives an average of 800 mm of rain a year. This makes it drier than 53% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 52% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 56% of listed buildings. Of these, 16 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 — 5 transactions since 2001
  • 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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Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

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  1. 14,16 and 16a, St Johns Street Grade II 8 m
  2. 10 and 12, St Johns Street Grade II 15 m
  3. Numbers 6 and 8 and St Johns Cottage Grade II 23 m
  4. Wall and Store, Extending Round Forecourt to Number 29 (Not Included) Grade II 24 m
  5. Culver House Grade II* 26 m
  6. 23, Culver Gardens Grade II 31 m
  7. 25 and 27, St Johns Street Grade II 32 m
  8. Avon Cottage Grade II 35 m
  9. Court House to Rear of Number 27 and Attached Wall Grade I 37 m
  10. Curlew Cottage Grade II 39 m