TW312 have corrected information on their Shadow Flicker page after an error was discovered. Originally, we stated that a new report from Parsons Brinckerhoff for the Department for Energy and Climate Change recommended that shadow flicker should be acceptable at a property for a maximum of 30 hours per year and no longer than 30 minutes per day.


This is incorrect and we offer sincere apologies for posting incorrect information.


In the UK there appears to be no specified limit as to the length of time that a property can suffer shadow flicker, either daily or yearly.


Which begs the question – what is an acceptable limit ?

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