Are ‘Wikihouses’ the Solution to the Housing Crisis?

Are ‘Wikihouses’ the Solution to the Housing Crisis?

Wikihouse could fix the housing crisis by making construction accessible to all, argues Mike Harrison, Marketing Manager, Medite – SmartPly.

The construction industry needs to build high volumes of affordable but energy efficient housing in order to meet Government targets of 400,000 new homes during the current Parliament.

But with the added elements of a major skills shortage throughout the supply chain, and the need to cut carbon emissions to meet Building Regulations and national commitments making this a perfect storm of challenges, how can the industry deliver?
Part of the solution to this daunting problem might already be here with the invention of the WikiHouse, a democratic as well as affordable approach to housebuilding that enables everyone to build a house.

WikiHouse is an open source building system which means that many design minds have come together to create it, forgoing the normal intellectual property issues to offer a collaborative approach that is refreshingly different in construction.

What is now a global movement is centred around building an online database of timber frame building designs, which developers can download for free. These can then be taken to a CNC precision digital cutting factory, of which there are many across the UK, to be produced.

Wikihouse4.0_MargauxCarron_CC_BY-173The prototype UK WikiHouse project, WikiHouse 4.0 was built at the Building Centre in London in 2014 to a design by Arup and Alistair Parvin of Zero Zero Architects, with a frame made of SmartPly OSB3.

It not only provided a model of a good quality, affordable house that can be quickly constructed, but also showed that OSB was an ideal structural material.

The sight of precision-cut OSB walls and floors raised the eyebrows of many in the industry who, despite the use of OSB within traditional timber frame construction methods, still harbour the assumption the material is only for hoardings and other temporary uses.

The Government has pledged to build 400,000 homes over the life of this Parliament and there is currently little sign of that being delivered.

There needs to be an alternative vision on how this will happen and WikiHouse is one route that needs to be taken more seriously.

As part of an affordable answer to the problem, OSB can provide a cost-effective construction solution which also has a credible sustainability story behind it, in the case of SmartPly OSB3 offering full FSC accreditation.

This new concept promises to reduce build costs by up to two-thirds, which is why housing associations have begun to take a keen interest faced, with a reduction in rent income as Right to Buy is extended.

South Yorkshire Housing Association is one of the first to take it forward with a plan to build a pilot home in the village of Darnall, again to a design by Alastair Parvin. The housing association is looking to construct it for around £50,000.

There is a wider and even more acute global context that could see the WikiHouse come into its own, as exemplified by a pioneering project by a group of students in Delaware, USA called WikiHouse FirstState.

Wikihouse4.0_MargauxCarron_CC_BY-179They are working to establish proof of concept for applying the model to create sustainable, locally manufactured, permanent shelters for disaster relief, and to help those in poverty such as displaced refugees.

This is a particularly important development in the light of ongoing events in the Middle East, and the student group is taking an inspiring lead in showing how this method of construction could help the 1 in 116 people worldwide that have had to flee their homes.

There are two big challenges which remain however, in terms of widespread adoption for the UK. The first is getting the land – if we are looking at people choosing the method due to its affordability, this demographic may struggle to find the land to build on in many areas.

Secondly, there is the issue of convincing planners that a ‘cheap’ house is the right vernacular for a particular location. However, it is to be hoped that the many worthy benefits of WikiHouse, including its ability to provide appropriately styled homes, will begin to change attitudes.

Enlightened users have long recognised the structural performance capabilities of OSB in wall sheathing, flooring and roofing applications, yet wider general perception still regards OSB largely as a material for packaging, hoardings and other temporary functions.

However, this new initiative has demonstrated the versatility of OSB as one of the main structural material options for creating affordable low energy houses of the future. The more fundamental impact of this important movement is bringing democracy to housebuilding, opening the doors to delivery to everyone.

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