2-9, Octagon Court is a Grade II* listed building in the Norwich local planning authority area, England. First listed on 26 February 1954. Residential building. 4 related planning applications.

2-9, Octagon Court

WRENN ID
other-string-rain
Grade
II*
Local Planning Authority
Norwich
Constituency
Norwich South MP: Clive Lewis (Lab)
Country
England
Date first listed
26 February 1954
Type
Residential building
Address
2-9, Octagon Court, Flats 1-5, NR3 1AN
OS grid reference
TG 230 090
Coordinates
52.63333, 1.29482
Source
Historic England listing

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

Description

Octagon Court comprises a former house, converted in the 18th century into a factory and subsequently into flats. The building was renovated in the 20th century. It has a red brick exterior and a pantile roof. The principal elevation is set at a right angle to the street line, with three storeys and seven bays arranged in groups of 2:4:1, each group set back. A 20th-century door with a rectangular fanlight and pedimented hood is located in the centre bay. A single-storey canted bay window is in the right-hand bay. The ground floor features sash windows with glazing bars and rubbed brick flat arches. The first floor has sash and mullion-and-transom windows, while the second floor features sash and casement windows. A moulded bracket cornice sits over the central bay, with a fascia and box cornices over the outer bays. Rebuilt rusticated brick quoins are located on the right side, with a wide brick stringcourse extending between the ground and first floors on the six-bay street elevation. Inside, there is good 18th-century panelling and door surrounds.

Local climate

2-9, Octagon Court sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 88% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 95% of listed buildings.

It experiences an average of 24 freeze-thaw cycles a year, fewer than 75% 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 16 transactions since 1997
  • 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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  4. Octagon Chapel Grade II* 34 m
  5. 24, Colegate Grade II 37 m
  6. 9, Calvert Street Grade II 38 m
  7. 22, Colegate Grade II 42 m
  8. 20, Colegate Grade II* 52 m
  9. 11, Calvert Street Grade II 54 m
  10. 2, Old Meeting House Alley Grade II 55 m