Iona Cottage and Iona Flat is a Grade II listed building in the East Suffolk local planning authority area, England. First listed on 22 November 1971. A C19 House, flat. 2 related planning applications.

Iona Cottage and Iona Flat

WRENN ID
tilted-ashlar-spring
Grade
II
Local Planning Authority
East Suffolk
Constituency
Suffolk Coastal MP: Jenny Riddell-Carpenter (Lab)
Country
England
Date first listed
22 November 1971
Type
House, flat
Address
Iona Cottage and Iona Flat, 11 and 11a, Constitution Hill, Southwold, IP18 6HE
OS grid reference
TM 507 758
Coordinates
52.32368, 1.67803
Source
Historic England listing

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

Description

Iona Cottage (No. 11) and Iona Flat (No. 11A) is a house that dates from the mid-19th century and was extended in the late 19th century. It was subdivided in the mid-20th century. The building is constructed of whitewashed brick and features pantile roofs with shaped timber bargeboards on the gables.

The exterior is two storeys high, with the original structure comprising three unequal gabled bays. The extension on the right has a single taller gabled bay. The original part of the building has a half-glazed door located in the centre, which is set under a segmental arch. To the right, there is a 0/0 horned sash window with margin glazing, and to the left, a 20th-century top-hung casement window, also with margin glazing, both under segmental heads. There is a door to the left leading to Iona Flat, as well as a 20th-century passageway door to the left of this. On the first floor, there are three 0/0 horned sash windows with margin glazing, all under segmental heads. The extension features a half-glazed door with margin lights under a segmental arch, and above it, there is a segment-headed 0/0 horned sash window with margin glazing. The interior has not been inspected.

Local climate

Iona Cottage and Iona Flat receives an average of 780 mm of rain a year. This makes it drier than 62% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.

It experiences an average of 6 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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  • No EPC on record for this property
  • Sale history — 4 transactions since 1998
  • 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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