Boynton Hall is a Grade II* listed building in the Babergh local planning authority area, England. First listed on 16 March 1972. A Medieval House. 1 related planning application.

Boynton Hall

WRENN ID
tall-flint-smoke
Grade
II*
Local Planning Authority
Babergh
Constituency
South Suffolk MP: James Cartlidge (Con)
Country
England
Date first listed
16 March 1972
Type
House
Period
Medieval
Address
Boynton Hall, Old London Road, Capel St. Mary, IP9 2JU
OS grid reference
TM 091 372
Coordinates
51.99413, 1.04536
Source
Historic England listing

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

Description

Boynton Hall is a house dating back to the 14th century, originally built as a raised aisle hall. It has undergone significant alterations and additions in the 16th century and later periods. The original sections are timber-framed and plastered, while other additions are likely plastered brick. The roofs are covered with red plain tiles. The building comprises several phases; the original range has an off-centre chimney stack on its left side, and a projecting gabled wing with a stack to its return. A wing gabled to the left is set at an angle between the main range and the right-hand wing, with an external stack at its end. A further range extends to the rear right of the original section. The house is two storeys high, with a further section having two storeys and attics. A two-storey, angled bay is on the left crosswing, and the right gabled wing has two windows to its return. The main range features a flat-headed dormer and a ground-floor two-light casement window; other windows are mostly small-paned vertically sliding sashes. A single-storey, parapeted extension is attached to the right of the main range, and two gabled dormers are visible on the rear of the main range. A 20th-century glazed porch is located on the left side of the main range. Inside, many original features are concealed. However, the kitchen and hall retain a large tie beam which supports a pair of large octagonal aisle posts with moulded capitals and bases. These posts are connected by a cambered collar, said to support a king post, side arms, and centre posts to support the aisle top plate, and the roof now has arch-braced side purlins. An original, vertically boarded door is present, along with an inserted wall below a queen post in the kitchen.

Local climate

Boynton Hall sits in a drier-than-average part of the UK, with an average of 700 mm of rain a year. This makes it drier than 89% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 53% of listed buildings.

It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 10 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 — 1 transaction since 2006
  • Related listed building consents — 1 application
  • 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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