40 and 42, Ferncroft Avenue is a Grade II listed building in the Camden local planning authority area, England. First listed on 11 January 1999. Semi-detached houses.

40 and 42, Ferncroft Avenue

WRENN ID
fallen-steeple-merlin
Grade
II
Local Planning Authority
Camden
Constituency
Hampstead and Highgate MP: Tulip Siddiq (Lab)
Country
England
Date first listed
11 January 1999
Type
Semi-detached houses
OS grid reference
TQ 255 859
Coordinates
51.55804, -0.18969
Source
Historic England listing

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

Description

40 and 42 Ferncroft Avenue are a pair of semi-detached houses built in 1904 by architect CHB Quennell and constructed by GW Hart. They are made of red brick and feature tiled hipped and gabled roofs with tall brick chimney-stacks, dormers, and overhanging eaves that have painted timber soffits. The design is asymmetrical, with both houses having two storeys and attics, and each has three windows with irregular spacing.

No. 40 has a projecting gabled outer bay that includes a round-arched entrance with brick impost bands, a panelled door with an overlight, and a projecting bay window with three sashes that have glazing bars only in the upper halves. The corners are accented with rusticated brick quoins and a cornice. There is a plain brick band at the first floor, which features a gauged brick flat arch above a flush frame tripartite sash and a sash window to the right, with a hood formed by a short return of the eaves, giving the gable the appearance of a broken pediment, though it is lower on this side than on the left. The gable also has a tripartite sash window with a brick relieving arch and moulded brickwork that continues down to the eaves.

No. 42 is similar but has shorter eaves returns that are symmetrically set. It features a tripartite dormer in the roof angle, with the outer lights breaking forward. The interiors have not been inspected.

Local climate

40 and 42, Ferncroft Avenue 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 98% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.

It experiences an average of 30 freeze-thaw cycles a year, fewer than 66% of listed buildings. Of these, 13 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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