Radwell Grange is a Grade II listed building in the North Hertfordshire local planning authority area, England. First listed on 27 May 1968. House. 7 related planning applications.
Radwell Grange
- WRENN ID
- guardian-cloister-pine
- Grade
- II
- Local Planning Authority
- North Hertfordshire
- Constituency
- North East Hertfordshire MP: Chris Hinchliff (Lab)
- Country
- England
- Date first listed
- 27 May 1968
- Type
- House
- Address
- Radwell Grange, SG7 5EU
- OS grid reference
- TL 235 371
- Coordinates
- 52.01897, -0.20078
- Source
- Historic England listing
Description
Radwell Grange is a house, likely with a core dating back to the 16th century, but primarily built in the mid-17th century. It was extended and altered in the 19th century and restored in the 20th century. The house is timber-framed and brick, with roughcast rendering and a tiled roof, forming an L-shaped layout. It has two storeys and attics, with a three-window front and a central entrance. The windows are predominantly 19th-century multi-pane sashes, with a small ground-floor bay window to the right. A red brick return wall is visible on the right. A large external gable-end stack from the 17th century rises to two diagonally set square brick shafts. Two small, chamfered brick mullioned windows with hood moulds flank the stack at the first floor. The left return features a hipped outshut in the angle with a rear wing, and a small gable in the roof of this wing marks a secondary entrance. Behind this gable and attached to the rear of the main range is a substantial brick stack, possibly from the 16th century, with five shafts, two pairs of diagonally set squares, and one in a star shape when viewed from above. A lower addition extends the rear wing. A tall, gabled wing, originally the staircase wing, situated in the inner angle, has a two-light wooden mullion window with ovolo moulding in the attic. Inside, original brick fireplaces are exposed, along with a moulded head to a jowled post in the rear wing. The roof structure features clamped purlin collar beam trusses, originally with crown posts. The main block was heavily altered in the 19th century.
Local climate
Radwell Grange 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 79% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 55% 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 — 3 transactions since 1995
- Related listed building consents — 7 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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