18, St Thomas Street is a Grade II listed building in the Winchester local planning authority area, England. First listed on 2 July 1975. House. 2 related planning applications.

18, St Thomas Street

WRENN ID
hidden-corridor-ivy
Grade
II
Local Planning Authority
Winchester
Constituency
Winchester MP: Dr Danny Chambers (LD)
Country
England
Date first listed
2 July 1975
Type
House
Address
18, St Thomas Street, SO23 9HD
OS grid reference
SU 479 292
Coordinates
51.0609, -1.31697
Source
Historic England listing

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

Description

No. 18 St Thomas Street is a building from the early to mid-18th century, standing three storeys high with a basement. It features red brick walls and has a string course between the ground and first floors. The building is topped with a moulded wood cornice. The south front has mathematical tiles and five windows. The entrance boasts a good door with a plain surround, scroll brackets, and a moulded arched pediment, although it is partially obscured by a glazed approach from the street. The windows are sash style with glazing bars set in rubbed heads. The roof is hipped and covered with old tiles. There is a 19th-century wing on the north front. All listed buildings in St Thomas Street form a group.

Local climate

18, St Thomas Street receives an average of 800 mm of rain a year. This makes it drier than 56% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 54% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 59% 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 2 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. 18, St Thomas Street Grade II 7 m
  2. Carlisle House Chernocke House Grade II 17 m
  3. Garden Wall of No 12 Grade II 18 m
  4. 12, St Thomas Street Grade II 22 m
  5. Flanking Walls of No 12 Grade II 25 m
  6. Wall of No 13 Grade II 42 m
  7. 9 and 10, St Thomas Street Grade II 52 m
  8. Symonds House Grade II 55 m
  9. 19a, 19b and 19c, St Thomas Street Grade II 58 m
  10. 13, St Thomas Street Grade II 65 m