Mardleybury Manor is a Grade II listed building in the North Hertfordshire local planning authority area, England. First listed on 29 January 1986. A C19 House. 7 related planning applications.

Mardleybury Manor

WRENN ID
vacant-steeple-dock
Grade
II
Local Planning Authority
North Hertfordshire
Constituency
North East Hertfordshire MP: Chris Hinchliff (Lab)
Country
England
Date first listed
29 January 1986
Type
House
Address
Mardleybury Manor, Reed End, Therfield, SG8 9RL
OS grid reference
TL 349 365
Coordinates
52.01076, -0.03448
Source
Historic England listing

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

Description

Mardleybury Manor is a house that underwent rebuilding in the early to mid 19th century, replacing an older structure. It is constructed of stock brick with stone dressings and features a hipped slate roof, with tiles on the rear. The front block is symmetrical, consisting of three bays by three bays, and has rear wings that reflect the layout of the earlier building. The house is two storeys high.

The central entrance is accessed by stone steps with curved iron railings, leading to a half-glazed door with two raised panels and a traceried semi-circular fanlight. This is set within a double gauged brick round arched reveal with impost blocks. The windows are large single glazing bar sashes, recessed with gauged brick flat arched heads, with slightly smaller sashes in the centre of the first floor. The eaves have a bracketed and panelled soffit, and there are end stacks.

The side returns feature smaller scattered sashes, and there is a cellar opening on the left end. At the rear, there are two wings with more steeply pitched roofs, which have slightly lower ridges. The left wing is broader, while the right has two bays with a blocked entrance that has been converted into a window, complete with a traceried fanlight and a ridge stack. The left side also has a blocked entrance with dentilled brick eaves. Extending to the rear right is a single-storey range with a hipped entrance porch, a sash window, and two stacks on a steeply pitched roof, along with a lower weatherboarded outbuilding at the rear end. There is a 20th-century outshut to the rear left. The site is partially moated.

Local climate

Mardleybury Manor sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 92% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 78% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 59% 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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  • No EPC on record for this property
  • No sale records on file
  • 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
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