Classroom B at Aspen House Open Air School is a Grade II listed building in the Lambeth local planning authority area, England. First listed on 25 June 1999. Classroom.
Classroom B at Aspen House Open Air School
- WRENN ID
- drifting-brick-bracken
- Grade
- II
- Local Planning Authority
- Lambeth
- Constituency
- Clapham and Brixton Hill MP: Bell Ribeiro-Addy (Lab)
- Country
- England
- Date first listed
- 25 June 1999
- Type
- Classroom
- Address
- Classroom B at Aspen House Open Air School, Cotherstone Road
- OS grid reference
- TQ 305 734
- Coordinates
- 51.44499, -0.12235
- Source
- Historic England listing
Description
Classroom B at Aspen House Open Air School
Classroom built in 1925 by the LCC Architect's Department. The building is constructed throughout in timber, with a hipped timber roof clad in felt and featuring deep overhanging eaves. It has a square plan and is raised off the ground on timber posts which support joists carrying floorboards.
When first built, the classroom was fully open to the elements above timber half walls. Windows were inserted sometime after 1929, almost certainly in the 1950s. On three sides, continuous windows above dado level consist of paired side-hung casements with catches to hold them fully open, topped with opening top lights. On the entrance side are three-part folding windows, also with catches and opening top lights. Two doors reach up a short flight of steps; the door to the right is a later insertion contemporary with the windows but identical in style to the other, with three glazed panels to the upper half. The interior has exposed roof timbers.
The site was purchased by the LCC in 1920 and plans for the new open-air school were approved in 1924. This was the fifth open-air school provided by the LCC, but the first built to an 'improved design' which subsequently became standard for such schools and for similar schools serving children suffering from tuberculosis. The LCC had pioneered open-air teaching in temporary accommodation from 1907 onwards.
Aspen House School provided education for anaemic, asthmatic and undernourished children, following a creative educational policy based on Pestalozzi principles. The curriculum included extensive lessons in nature study, physical exercises, gardening and creative play. Children were given three meals daily and required to rest for an hour in the afternoon (longer in summer) on beds in the open air. Classes were limited to no more than 32 children per teacher, with a nurse permanently attached to the school. Children typically spent an average of eighteen months at the school. The garden was integral to the regime, with trees from the former orchard on the site preserved and shrubs and bulbs added to provide interest, along with small paths and sheltering hedges to encourage wildlife habitats.
Local climate
Classroom B at Aspen House Open Air School 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 84% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 55% 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
- No sale records on file
- No related consent applications matched
- 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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