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New Welsh modular housing pattern book features 15 house types with 18 variants.
Tai ar y Cyd, a collaboration of 23 Welsh social housing landlords, has published a comprehensive modular housing pattern book to streamline the construction of sustainable, affordable homes across Wales. The launch event took place on 15 January at the University of Wales Trinity Saint David’s Swansea campus.
The modular housing pattern book features layouts for 15 house types with 18 variations, including one-bedroom flats, four-bedroom houses, and wheelchair-accessible bungalows. Complementing this resource, a design guide has been introduced to assist architects and developers in creating homes that align with local contexts. These modular housing designs also adhere to Welsh Development Quality Requirements and Welsh Housing Quality Standards, focusing on sustainability and affordability.
Wales’ cabinet secretary for housing and local government, Jayne Bryant, highlighted the significance of the initiative during a visit to Celtic Offsite, a Caerphilly-based social enterprise manufacturing timber homes. She remarked: “Tai ar y Cyd represents a significant step forward in our commitment to building sustainable and affordable homes here in Wales. We know that there is a real need for good quality and energy-efficient homes across our communities, and this innovative pattern book gives developers the tools they need to build homes more quickly and deliver against our target of building 20,000 affordable low-carbon homes by the end of this second term.”
The project also prioritises the use of natural materials, including Welsh timber, to support local industries and reduce environmental impact. Richard Mann, chief executive of United Welsh, said: “The standardised housing designs from Tai ar y Cyd will enable us to be more efficient in our manufacturing processes, so we can build more homes at a faster rate for housing associations and local authority partners. We look forward to using the designs to build more much-needed homes for people to enjoy across Wales.”
The initiative was designed to promote cost-effective and environmentally friendly modular construction techniques, creating a pipeline of energy-efficient homes while supporting local economies. According to the United Welsh Group, the effort will also reduce waste and minimise disruption to communities during construction.
Jayne Bryant added: “I am proud that we have been able to support the delivery of these resources to strengthen our local economies, grow skilled jobs, and increase affordable housing across Wales.”
See: Tai ar y Cyd
