Old Forge Cottage is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 9 December 1983. House. 2 related planning applications.

Old Forge Cottage

WRENN ID
distant-facade-candle
Grade
II
Local Planning Authority
Welwyn Hatfield
Constituency
Welwyn Hatfield MP: Andrew Lewin (Lab)
Country
England
Date first listed
9 December 1983
Type
House
Address
Old Forge Cottage, AL4 9HL
OS grid reference
TL 194 097
Coordinates
51.77338, -0.27033
Source
Historic England listing

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

Description

Old Forge Cottage is a house, originally a forge, dating from the late 16th century with extensions in the 17th century. It has three timber-framed bays and an exterior of painted brick, with the upper floor tile-hung in patterned courses. The roof is tiled, with a taller section to the south. A central square red brick stack is located on the north side. The house has two storeys and attics. There are five oak mullioned casement windows, and a hipped attic dormer. Internally, the centre bay features a moulded axial floor beam. The north bay contains a fireplace oven, which was formerly part of the forge. The south bay has chamfered floor beams and joists, along with a roof featuring straight wind braces.

Local climate

Old Forge Cottage sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 82% 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 32 freeze-thaw cycles a year, fewer than 57% 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.
  • Sale history — 1 transaction since 2022
  • Related listed building consents — 2 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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