Forty Hall is a Grade I listed building in the Enfield local planning authority area, England. First listed on 19 March 1951. A C17 House. 7 related planning applications.

Forty Hall

WRENN ID
dim-wall-acorn
Grade
I
Local Planning Authority
Enfield
Constituency
Enfield North MP: Feryal Clark (Lab)
Country
England
Date first listed
19 March 1951
Type
House
Address
Forty Hall, Forty Hill, EN2 9HA
OS grid reference
TQ 336 985
Coordinates
51.66962, -0.0682
Source
Historic England listing

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

Description

Forty Hall is a Grade I listed building constructed between 1629 and 1636 for Sir Nicholas Raynton. This square house has three storeys and six windows, featuring a high-pitched, hipped roof made of green slate, topped with four groups of tall octagonal brick chimneys. The exterior is light red brick with quoins, window architraves, and bands that are now covered in stucco, though they were likely originally stone. The building has a brick plinth and sash windows with glazing bars, some dating from around 1800, while others have been replaced.

The house includes 18th-century Doric porches and a Corinthian order with a pediment framing the first-floor center window on the south front. The main entrance porch is Ionic and has a later glass enclosure. Inside, there is some original decoration, particularly in the plaster ceilings and one panelled room, as well as a screen with early classical motifs in the dining room. Much of the interior decoration is from the 18th century, including an arched Ionic hall screen and hall plasterwork featuring trophies of arms, along with additional plasterwork and panelling throughout. There are modern east extensions that are designed in a similar style.

Local climate

Forty Hall sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 94% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 58% of listed buildings. Of these, 15 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.
  • 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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Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

Nearby listed buildings

  1. Screen Wall, Gateway and North Pavilions to West of Forty Hall Grade I 50 m
  2. Stable Ranges to West of Forty Hall Grade II 51 m
  3. Barns to Forty Hall Farm (To West of Forty Hall) Walls to Forty Hill Farm (To West of Forty Hall) Grade II 105 m
  4. Garden Wall to Dower House Grade II 120 m
  5. Dower House and Atherton House Grade II 131 m
  6. Forty Hall Entrance Gateway Grade II 158 m
  7. Garden Walls and Railings to Longbourne Grade II 159 m
  8. Elsynge Cottage Elsynge House Grade II 170 m
  9. Longbourne Grade II 170 m
  10. Forty Hill House Grade II 189 m