Great Amwell House is a Grade II listed building in the East Hertfordshire local planning authority area, England. House. 5 related planning applications.
Great Amwell House
- WRENN ID
- tattered-flagstone-nightshade
- Grade
- II
- Local Planning Authority
- East Hertfordshire
- Constituency
- Broxbourne MP: Lewis Cocking (Con)
- Country
- England
- Type
- House
- Address
- Great Amwell House, Cauthely Lane, SG12 9SN
- OS grid reference
- TL 370 123
- Coordinates
- 51.79334, -0.01477
- Source
- Historic England listing
Description
Great Amwell House is a house that has been divided into separate dwellings, largely dating from the 18th century with significant extensions added in the 19th century and later. The central portion is built of red brick, while the front and extensions are of yellow brick with stucco bands. The main part of the house is a rectangular block of two storeys with mansarded attics at the rear, but it rises to three storeys on the western garden front, where it features a bowed front with an arcade of panels on the ground floor. The roof is hipped and mirrors the bowed front, with a central valley. The house follows a double pile plan and has side chimneys. A narrow, two-storey extension projects to the north, featuring a bow window and a curved segmental link on the garden front. On the rear wall, facing the entrance court, is a large stucco sundial. The entrance is on the south side of the court, under a domed porch supported by Tuscan columns. A two-storey, irregular extension adjoins the main block to the south, containing a wide elliptical arched doorway leading to the garden and transomed windows on the upper floor. Recessed sash windows with glazing bars are found elsewhere.
Local climate
Great Amwell House 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 90% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 88% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, fewer than 52% of listed buildings. Of these, 16 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 — 7 transactions since 1997
- Related listed building consents — 5 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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