County Hall Main Entrance Block is a Grade II listed building in the Ipswich local planning authority area, England. First listed on 4 August 1972. Building. 4 related planning applications.

County Hall Main Entrance Block

WRENN ID
ragged-obsidian-swift
Grade
II
Local Planning Authority
Ipswich
Constituency
Ipswich MP: Jack Abbott (Lab)
Country
England
Date first listed
4 August 1972
Type
Building
Address
County Hall Main Entrance Block, St Helen's Street
OS grid reference
TM 168 445
Coordinates
52.05669, 1.16165
Source
Historic England listing

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

Description

County Hall Main Entrance Block is an early 19th century building made of grey gault brick, which was formerly the courthouse and is now known as the Shire Hall. It was designed by W McIntosh Brooks in 1836 in the Tudor style, reflecting its original purpose with a strong architectural presence. The building's frontage is approximately 150 feet long and features a central entrance block flanked by twin castellated towers, castellated side wings, and two slightly projecting end pavilions.

The central entrance block includes decorative sham machicolations and a stone mullioned and transomed window, with casements that have glazing bars set in splayed stone reveals. The windows in the towers are topped with stone hood moulds. The main entrance has heavy double doors, each consisting of eight panels, with a substantial portcullis grille above, all framed by a four-centred moulded brick arch. The side wings are mostly unfenestrated, except for four heavily barred windows located low in the east wing.

The end pavilions feature four-centred arched windows with splayed stone reveals and hood moulds on the ground floor, while the first floor has stone mullioned and transomed windows with splayed stone reveals. A moulded stone string course runs across the wings and end pavilions, with a central carved stone coat of arms in each wing. The front of the building rises above a deep battered stone plinth, and a shield above the entrance doors displays the date 1837.

Local climate

County Hall Main Entrance Block sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 96% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 63% of listed buildings.

It experiences an average of 22 freeze-thaw cycles a year, fewer than 77% of listed buildings. Of these, 11 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 — 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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  2. 25 and 27, St Helen's Street Grade II 42 m
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  4. St Michaels Church Grade II 98 m
  5. 33, Upper Orwell Street Grade II 117 m
  6. The Ipswich Regent Theatre Grade II 118 m
  7. 6, St Helen's Street Grade II 120 m
  8. Olive Leaf Public House Grade II 140 m
  9. 70 and 72, St Helen's Street Grade II 150 m
  10. 74, St Helen's Street Grade II 158 m