Allum House is a Grade II listed building in the Hertsmere local planning authority area, England. First listed on 12 August 1985. Residential. 3 related planning applications.
Allum House
- WRENN ID
- dusted-lancet-elder
- Grade
- II
- Local Planning Authority
- Hertsmere
- Constituency
- Hertsmere MP: Sir Oliver Dowden (Con)
- Country
- England
- Date first listed
- 12 August 1985
- Type
- Residential
- Address
- Allum House, 8, Allum Lane, Elstree and Borehamwood, WD6 3PL
- OS grid reference
- TQ 187 962
- Coordinates
- 51.65237, -0.28539
- Source
- Historic England listing
Description
Allum House is a former stable building dating from 1789, originally serving Barham House, which is not listed. It has been altered in the mid-20th century and is now divided into two dwellings. The structure is made of stuccoed brick with a slate roof and features a symmetrical design with two central bays that project under a pediment adorned with moulded cornices.
On the ground floor, there are four round-headed windows set in relieving arches, while the first floor has casement windows with oculi in the attic. The flanking wings have entrances towards the center, each sheltered by mid-20th century Tuscan porches positioned at angles to the main block. The wings also feature similar windows and hipped roofs. The building has a central ridge stack and two additional stacks on the hips of the side wings.
At the rear of the return walls, there are two plaques that define the boundary of the property, with the one on the right dated 1789, which may have been reset. The interior has not been inspected. The property also includes No. 2 Barham Avenue.
Local climate
Allum House 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 89% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 61% 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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- No EPC on record for this property
- Sale history — 1 transaction since 1999
- Related listed building consents — 3 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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