The Old Malt House is a Grade II listed building in the South Oxfordshire local planning authority area, England. First listed on 14 May 1986. Malt house. 2 related planning applications.

The Old Malt House

WRENN ID
lapsed-obsidian-torch
Grade
II
Local Planning Authority
South Oxfordshire
Constituency
Henley and Thame MP: Freddie van Mierlo (LD)
Country
England
Date first listed
14 May 1986
Type
Malt house
Address
The Old Malt House, 21, Watling Lane, Dorchester, OX10 7JG
OS grid reference
SU 576 942
Coordinates
51.64421, -1.16792
Source
Historic England listing

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

Description

The Old Malt House is a 17th-century malt house, later converted into a house, with a 18th-century extension. The original structure is timber-framed with colourwashed brick infill, while later walls are brick and rendered. The roof is thatched and features brick stacks. The building comprises three units, extended at both ends and at a right angle. It has one storey plus attics. The front elevation is irregular, with a 20th-century wing projecting. The original section includes a plank door and a dormer window. The rear wall was rebuilt in the 18th century using brick and incorporates an 18th-century leaded three-light casement window. The roof has two old chimney stacks. Inside, there is an inglenook fireplace with winder staircases to either side, along with 17th-century beams and joists and a clasped-purlin roof featuring straight and curved windbraces.

Local climate

The Old Malt House sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 81% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 72% of listed buildings.

It experiences an average of 36 freeze-thaw cycles a year, more than 62% of listed buildings. Of these, 15 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 2010
  • 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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