Well done to these guys.
Installing solar panels on the roof, which can cost up to £5,000, would take as long as 208 years to pay back the cost.
However, owners of a terraced house who installed cavity wall protection would see a return on their investment in as little as three years.
The sums have been calculated by the Royal Institution of Chartered Surveyors, which has published a \’Greener Homes Price Guide\’. The guide warns that many homeowners are being duped into making radical changes to their home that will not save them money and will do little to reduce their carbon footprint.
Some things are sensible to do. Others aren\’t.
But how do you know which is which?
Well, even if you\’re the most green of greens, you want to do the things which use fewer resources than the alternatives. That\’s rather the point actually, to lightne one\’s footprint on Gaia\’s face. But how do you work out what uses fewer resources?
Well, that would be our old friend cost benefit analysis. And, rather than having to do lengthy calculations, for almost all of us almost all of the time that would mean simply looking at the financials. If it costs more to do than it saves then it\’s using more resources, not fewer.
There are times when it isn\’t quite this simple (when an externality isn\’t included in the prices) but for almost all of us almost all of the time the simple answers that markets give us work perfectly well. Expenses equals resource use.