18A St John's St is a Grade II listed building in the Chichester local planning authority area, England. First listed on 8 October 1971. House.

18A St John's St

WRENN ID
stony-oriel-jay
Grade
II
Local Planning Authority
Chichester
Constituency
Chichester MP: Jess Brown-Fuller (LD)
Country
England
Date first listed
8 October 1971
Type
House
Address
18A St John's St, PO19 1UP
OS grid reference
SU 863 047
Coordinates
50.8355, -0.77528
Source
Historic England listing

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

Description

18A St John's Street is an early 19th-century building featuring a hipped tile roof and constructed of red brick. It has one window bay with flat arches above the windows, which are adorned with painted brick voussoirs. The ground floor window is fitted with shutters. The entrance boasts a six-panel moulded door topped by a semi-circular fanlight that has Gothic divisions.

Local climate

18A St John's St receives an average of 910 mm of rain a year. This makes it wetter than 69% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.

It experiences an average of 7 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 4 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 2004
  • No related consent applications matched
  • 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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  1. Gate Piers Before Church of St John the Evangelist Grade II 16 m
  2. 1, New Town Grade II 21 m
  3. Exchange Building Grade II 22 m
  4. Keswick House Grade II 25 m
  5. 17, St John's Street Grade II 25 m
  6. 2 and 3, New Town Grade II 29 m
  7. 15 and 16, St John's Street Grade II 32 m
  8. 5 and 6, St John's Street Grade II 33 m
  9. The Southern Half of the Former Corn Exchange Now Occupied by John Wiley and Sons Grade II 33 m
  10. Former Church of St John the Evangelist Grade I 43 m