SSHA Houses: A Comprehensive Guide for Home Buyers and Investors

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Understanding the SSHA House

The Scottish Special Housing Association (SSHA) houses, also known as SSHA Canadian Commissioner’s Houses or SSHA Canadian Timber, are a unique and historical type of property in the UK. Built between 1937 and 1941, these homes were part of a government initiative to address housing shortages. With only 600 of these properties constructed, they are a rare find in today’s real estate market. Understanding their construction, potential risks, and maintenance needs is crucial for anyone considering purchasing one.

Historical Context and Manufacturers

The SSHA houses were designed by the Scottish Special Housing Association, a body established to provide affordable housing solutions during a time of economic difficulty. The construction of these homes was influenced by Canadian building techniques, which is reflected in their alternative names. The use of timber and other materials was a strategic choice, aimed at creating cost-effective and quickly assembled homes.

Typical Characteristics of SSHA Houses

SSHA houses are typically detached or semi-detached bungalows, chalet bungalows, and two-storey semi-detached houses. They are easily identifiable by their steep pitch hipped or gable roofs, which are covered with tiles or shingles. The external walls are often clad with vertical timber boarding, with cover strips masking the joints, or horizontal timber boarding. Some variants may feature log cabin boarding or shingles.

The houses often have a projecting front gable supported by brick pillars, and valley gutters are common between dwellings. These architectural features not only define the aesthetic of SSHA houses but also play a role in their structural integrity.

Construction Details

  • Substructure: The foundation of SSHA houses consists of concrete strip footings with a vented brick underbuilding. A damp-proof course (DPC) is included to prevent moisture ingress.

  • External Walls: The construction involves a platform panel and frame system. The ground floor features storey-height solid vertical tongue and groove (T&G) planking overlaid with building paper. The upper storey is constructed with timber frame panels sheathed externally with timber diagonal boarding, also overlaid with building paper. Both storeys are directly clad with horizontal timber boarding and lined with plasterboard on timber battens.

  • Separating Walls: These are typically 9-inch brick walls lined with plasterboard on timber battens, providing sound insulation and structural support.

  • Partitions: Internal partitions are made of solid timber boarding lined with plasterboard, offering a sturdy and durable interior structure.

  • Floors: The ground and first floors are constructed with T&G boarding on timber joists, providing a solid and stable walking surface.

  • Ceilings: Plasterboard is used for ceilings, offering a smooth and clean finish.

  • Roof: The roof structure consists of timber rafters and sarking, covered with bituminous felt and tiles. This design provides effective weatherproofing and insulation.

Variants and Modifications

Some SSHA houses feature variations in their construction, such as vertical timber boarding with cover strips, log cabin boarding, or shingles. Bungalows and chalet bungalows may have storey-height timber frame panels throughout. Other modifications include fibreboard external wall linings, separating walls of 4 1/2-inch brick, timber stud partitions, asbestos cement sheet ceilings, and shingle roof covers.

Potential Hazards and Risks

When considering the purchase of an SSHA house, it’s important to be aware of potential hazards and risks associated with this type of construction. These include:

  • Localised Decay: Solid timber planking and timber sole plates are susceptible to decay, particularly in areas exposed to moisture.

  • Sagging Floors: The ground floor may experience sagging due to the age and condition of the timber joists.

  • Roof Leakage: Chimney and skylight roof flashings are prone to leakage, which can lead to water damage if not addressed promptly.

  • Gaps in Separating Walls: Gaps may develop in the separating walls within the roof space, potentially compromising sound insulation and structural integrity.

Defective Premises Act Considerations

The Defective Premises Act is a key piece of legislation that home buyers and investors should be aware of when purchasing an SSHA house. This act requires that properties be constructed and maintained to a reasonable standard. While SSHA houses are not inherently classified as defective under this act, their age and construction materials may necessitate additional inspections and maintenance to ensure compliance.

Inspection Tips for SSHA Houses

Conducting a thorough inspection is crucial when considering the purchase of an SSHA house. Here are some key areas to focus on:

  • Foundation and Substructure: Check for signs of movement or cracking in the concrete strip footings and vented brick underbuilding. Ensure the DPC is intact and effective.

  • External Walls: Inspect the timber cladding for signs of decay, warping, or damage. Pay attention to the condition of the building paper and any signs of moisture ingress.

  • Roof and Flashings: Examine the roof for missing or damaged tiles or shingles. Check the condition of the bituminous felt and ensure that all flashings are secure and watertight.

  • Floors and Ceilings: Look for signs of sagging or unevenness in the floors. Inspect the plasterboard ceilings for cracks or water stains.

  • Internal Partitions and Walls: Assess the condition of the timber boarding and plasterboard linings. Check for any gaps or movement in the separating walls.

  • Ventilation and Insulation: Ensure that the property is adequately ventilated and insulated to prevent moisture build-up and heat loss.

Maintenance and Renovation Considerations

Maintaining an SSHA house requires regular inspections and timely repairs to address any issues that arise. Here are some maintenance tips to keep your property in good condition:

  • Timber Treatment: Regularly treat the timber elements of the house with appropriate preservatives to prevent decay and insect infestation.

  • Roof Maintenance: Keep the roof in good repair by replacing damaged tiles or shingles and ensuring that all flashings are secure.

  • Moisture Control: Address any signs of moisture ingress promptly to prevent damage to the timber structure and internal finishes.

  • Insulation Upgrades: Consider upgrading the insulation in the roof and walls to improve energy efficiency and comfort.

  • Structural Repairs: If any structural issues are identified, such as sagging floors or gaps in separating walls, seek professional advice and undertake necessary repairs.

Investment Potential and Market Considerations

SSHA houses, with their unique historical and architectural significance, can be an attractive investment opportunity. However, potential buyers should consider the following factors:

  • Rarity and Demand: With only 600 SSHA houses built, their rarity can drive demand among buyers seeking unique properties with historical value.

  • Renovation Costs: Be prepared for potential renovation and maintenance costs, particularly if the property has not been well-maintained.

  • Resale Value: The resale value of an SSHA house can be influenced by its condition, location, and any renovations or upgrades undertaken.

  • Heritage Considerations: Some SSHA houses may be subject to heritage or conservation restrictions, which can impact renovation plans and costs.

Conclusion

SSHA houses offer a unique blend of historical charm and architectural interest, making them a compelling choice for home buyers and investors. Understanding their construction, potential risks, and maintenance needs is essential for making an informed purchase decision. By conducting thorough inspections and addressing any issues promptly, you can ensure that your SSHA house remains a valuable and enjoyable asset for years to come.

At Flettons, we’re committed to safeguarding your investment. When considering a property purchase, trust our seasoned expertise to reveal any hidden threats. For a thorough building survey, get your instant quote through our quote calculator or reach out directly at 0203 691 0451. Your home’s safety is our top priority.

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