Keynsham House is a Grade II listed building in the Bath and North East Somerset local planning authority area, England. First listed on 19 June 1975. House. 2 related planning applications.
Keynsham House
- WRENN ID
- veiled-iron-auburn
- Grade
- II
- Local Planning Authority
- Bath and North East Somerset
- Constituency
- North East Somerset and Hanham MP: Dan Norris (Ind)
- Country
- England
- Date first listed
- 19 June 1975
- Type
- House
- Address
- Keynsham House, 31, 33 and 35, Bath Road, BS31 1SL
- OS grid reference
- ST 659 682
- Coordinates
- 51.41242, -2.49065
- Source
- Historic England listing
Description
Keynsham House is an early 19th-century detached house, now divided into three separate properties. It has late 20th-century additions. The exterior is whitewashed render with stone dressings, concrete tile roofs, and gable end stacks of rendered brick. The style is late Georgian.
The house has a double-depth plan consisting of a tall central block and lower, attached wings. The south front is symmetrical, with three bays to the centre and single-bay wings. It features end pilasters with incised key fret decoration, projecting cornices, blocking courses, and a gabled roof over the centre, with half-hipped roofs to the wings. A small extension exists to the east, and a larger, late 20th-century addition is attached to the west return wall.
The central section has a 12-pane sash window in plain reveals with sills on the ground and second floors, except for the central first-floor window which is tripartite with square-section Doric mullions. An 18-pane sash window is located to the left of the central porch, and a single light window to the right.
The left-hand wing retains original fenestration, including a round-arched opening on the ground floor creating a Diocletian window above and a pair of casements below. A 12-pane sash window sits above, and a smaller 12-pane sash is stepped down to the right. The right-hand wing has been altered with an arched window and a large sash blocked and replaced with single-light 20th-century windows. A projecting porch features paired Doric pilasters, an entablature, and French windows.
A canted bay window is present on the ground floor of the east return wall, along with further 12-pane sash fenestration. Some central windows on this wall and to the rear have been blocked and painted to imitate windows. The interior has not been inspected.
The building forms a group with the gateway and railings associated with numbers 31, 33 and 35.
Local climate
Keynsham House receives an average of 860 mm of rain a year. This makes it wetter than 61% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 66% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 52% 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 — 5 transactions since 2002
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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