The Conatus House
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The Conatus House

The Conatus house is a non-traditional UK property type introduced from 1974, typically constructed as a detached bungalow using a steel frame and composite wall panels. While generally robust, long-term performance depends on the condition of the steel structure, external panels, and protection from moisture ingress. Careful inspection is essential to identify corrosion, roof defects, and moisture-related risks common to this construction type.
The Buchan House
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The Buchan House

The Buchan house is a rare form of post-war system-built housing constructed during 1945 and 1946. Manufactured by Johnston Bros. Ltd, only five examples were built, making this an exceptionally uncommon non-traditional property type. These detached steel-framed bungalows are typically arranged on an L-shaped plan, with long-term performance closely linked to corrosion protection, damp control, and maintenance history.
The British Housing House
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The British Housing House

British Housing houses, also known as Doxford or Lynn houses, are a form of non-traditional construction developed in the mid-1960s by John Lynn & Co. Ltd. Built in limited numbers between 1965 and 1967, these properties use a steel-framed, panelised system with specialist external cladding materials. While they have a distinctive appearance, their long-term performance is closely linked to issues such as steel corrosion, render failure, and the presence of asbestos-containing materials, all of which require careful inspection and informed assessment.
The Braithwaite House
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The Braithwaite House

The Braithwaite House, also known as the Unit Frame House, is an exceptionally rare form of post-war non-traditional housing constructed in 1945. Designed by F R S Yorke and manufactured by Braithwaite & Co. Ltd, only two examples were built. These two-storey semi-detached or terraced houses are defined by their flat roofs, pre-stressed concrete and steel structural frame, and fluted asbestos cement wall cladding, all of which require careful inspection and long-term management.
The Birmingham Corporation Type ST House
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The Birmingham Corporation Type ST House

The Birmingham Corporation Type ST house is a rare post-war, non-traditional property built in 1945 as part of Birmingham’s rapid reconstruction programme. Constructed using a steel frame with extensive asbestos cement cladding, these two-storey semi-detached and terraced houses are immediately recognisable but require informed inspection. The key considerations centre on the condition of asbestos-containing materials, long-term steel frame corrosion risk, and generally limited thermal performance when assessed against modern standards.
The Atholl 1951 House
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The Atholl 1951 House

The Atholl 1951 house is a post-war, steel-framed property built between 1951 and 1955 as part of the UK’s response to severe housing shortages. Found in a range of urban and suburban settings, these two-storey homes are identifiable by their rendered roughcast elevations, pitched tiled roofs, and characteristic detailing at first-floor level. While generally robust, their long-term condition is closely linked to moisture control and the state of the concealed steel frame, making informed inspection and maintenance essential.
The Atholl 1945 House
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The Atholl 1945 House

The Atholl 1945 house is a post-war, non-traditional steel-framed property developed to address Britain’s acute housing shortage after the Second World War. Built between 1945 and 1948 using flat steel wall sheets, timber elements, and asbestos cement linings, these houses were designed for rapid construction rather than long-term ease of alteration. While many remain in use, their performance today depends heavily on corrosion protection, fixing integrity, and the management of asbestos-containing materials—making a condition-led building survey essential before purchase.