EVs, Fire, and the demise of the garage…

What do you use your garage at home for, that is if you have one? According to the UK’s RAC Foundation, it’s not housing your car! In 2002, 22% of private cars in England were housed overnight in a garage. Most, 50%, were parked outside overnight on your driveway, and the rest were parked on the street. In 2022, the equivalent numbers were 10% and 62%, respectively. It’s pretty clear, therefore, that the relationship between your garage and your car has become much more tenuous over the last 20 years. Rather than a place to house a car, today’s garage has become a general storage space for things like DIY tools and materials, garden equipment, pedal bicycles, and diverse items of unused home paraphernalia. That is, of course, if it hasn’t already been converted into extra living space, a home office, or a home gym or recreation area.

Garages associated with residential property emerged in the early days of motoring. Their popularity grew through the mid-20th century as cars became more affordable. They were high on a home-buyer’s wish-list because, at least until the 1970s, they protected the family car from the weather and rust, and they made it easier to start the engine in cold weather. Since the 1970s, and over the last two decades in particular, garages have become a victim of advances in automotive technology. Today’s cars, for example, are made of corrosion resistant materials and are packed with technology that means difficulty starting in cold weather is rare. They’re also significantly larger than their earlier counterparts due to the introduction of progressive stringent safety regulations. BMWs Mini Cooper, for example, is ~61% larger than the original from the 1960s. Most of today’s popular petrol, diesel, or electric cars, therefore, are simply too big for the garages of the UK’s residential housing stock.

Interestingly, with a future dominated by battery powered EVs, this might actually be a good thing! How so? Well, while EV manufacturers have put lots of effort into ensuring that charging your car in your garage using a properly installed charging point is safe, the fact is that if a fire starts due to battery damage or defective charging then the fire brigade are unlikely to be able to put it out. If this happens in your garage, then you can say good-bye to your car, the garage, and potentially your home. However, the risk of this happening is low, of course, because it seems from the RAC data noted above that few EVs will, in practice, be housed or charged inside a residential garage.

Given that ‘progress’ and battery EVs have made the link between our garage and our car increasingly tenuous, perhaps the time has come to start building all new homes without a garage? Now there’s a meaty thought to grapple with…

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