Frogmore Hall is a Grade II listed building in the East Hertfordshire local planning authority area, England. First listed on 31 May 1984. Country house. 5 related planning applications.

Frogmore Hall

WRENN ID
twelfth-cellar-bracken
Grade
II
Local Planning Authority
East Hertfordshire
Constituency
Stevenage MP: Kevin Bonavia (Lab)
Country
England
Date first listed
31 May 1984
Type
Country house
Address
Frogmore Hall, A602, Aston, SG14 3RU
OS grid reference
TL 289 207
Coordinates
51.87022, -0.12857
Source
Historic England listing

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

Description

Frogmore Hall is a country house, now used as offices, dating to circa 1863. It incorporates an earlier 19th-century house, with a western wing added around 1897. The house was designed by Francis Wigg (died 1868) as his own home. It's constructed of red brick with stone dressings and has steep slate roofs. The building is a large, picturesquely arranged neo-Gothic country house, situated within its own parkland. It features an entrance court on the east side and the main rooms look east over the Beane Valley. The design is centred around a tall stair hall within a square tower, with a chequered parapet and two large gothic windows. The west front, of two storeys and attics, displays two large gabled wings with tall canted bay windows and a glazed stone gallery between them. Offices and a stable block are located to the north. The architectural style employs prismatic chamfers in the elevations, and the windows are mullioned sashes. The interior is reportedly plain, intended to complement tapestries and pictures. The fireplaces in the main rooms have freestone surrounds incorporating Caernarvon arches, with simple chamfers transformed into white marble and featuring red lozenge insets. Three cast iron grates, in a Japanese style, are by Barnard and Barnard. The stair hall has an arcaded staircase and landing, and a patterned polychrome tiled floor which was restored around 1980, with former stencilled decoration replicated as wallpaper. The house is an interesting and idiosyncratic 19th-century architect's residence with few alterations.

Local climate

Frogmore Hall sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 86% 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 57% 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 — 16 transactions since 2008
  • 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
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  2. Frogmore Farmhouse Grade II 390 m
  3. Entrance Gates to Frogmore Farm Grade II 424 m
  4. Blue Hill Manor Grade II 432 m
  5. Frogmore Cottages Grade II 453 m
  6. Farmhouse at Oaks Cross Farm Grade II 752 m
  7. Waterbridge Grade II* 778 m
  8. Broom Hall Farm House Grade II 1.1 km
  9. Bridge Over River Beane Grade II 1.2 km
  10. Waggon and Horses Public House Grade II 1.3 km