Knapp House is a Grade II listed building in the Forest of Dean local planning authority area, England. House.
Knapp House
- WRENN ID
- other-nave-indigo
- Grade
- II
- Local Planning Authority
- Forest of Dean
- Constituency
- Forest of Dean MP: Matt Bishop (Lab)
- Country
- England
- Type
- House
- Address
- Knapp House, Monmouth Road, Longhope
- OS grid reference
- SO 691 186
- Coordinates
- 51.86591, -2.44894
- Source
- Historic England listing
Description
Knapp House is a detached house dating from the mid 17th century to the early 19th century. It features a timber frame with wattle and daub infill above a rendered stone plinth, with part of the rear constructed from random rubble stone. The left-hand side has a rendered wall, and the house is topped with a slate roof. The building has a four-room plan arranged in a line.
On the main facade, the right half is timber-framed at the first floor, consisting of three panels high and featuring two sash windows. The ground floor has a boarded door on the right, which is sheltered by a segmental sheet metal hood supported by two iron rods. To the left of the door is a four-pane wide sash window, with another door at the left end. The left half of the front is set forward slightly, but the roof remains continuous, with the upper floor level higher than that on the right. There are two sash windows on the first floor, below which are wider windows with hoodmoulds; the right-hand window retains its four-pane wide sash.
The right-hand gable has a stone ground floor and timber framing on the first floor, with braces from the corner posts extending only one panel down. The timberwork in the gable is rendered over. Inside, the timber-framed half originally included an attic floor that was set only halfway into the roof and consisted of two bays without a tie-beam. The principal rafters are tenoned into a brace between the wall-head and floor beam, with two braces still surviving. The house has been re-roofed to create three bays, and three panelled doors with scratch mouldings remain leading to the stairs in the right-hand hall.
Local climate
Knapp House receives an average of 760 mm of rain a year. This makes it drier than 66% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 55% of listed buildings.
It experiences an average of 38 freeze-thaw cycles a year, more than 72% of listed buildings. Of these, 17 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 2016
- No related consent applications matched
- 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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