It's concerned that ugly and unnecessary "street furniture" is ruining some of the most historic towns in the country - and obscuring the view of some famous tourist sites.
She also talked to the author Bill Bryson, who's added his voice to the campaign. Edwardian architecture
London's Great Portland Street is part of a conservation area, because of its beautiful Edwardian architecture.
But Julia counted hundreds of items of street furniture - including a listed drinking fountain surrounded by recycling bins.
Women's Institute
English Heritage has enlisted the help of the Women's Institute to count the number of items of street furniture, and Bill Bryson will be lending a hand today in Great Portland Street.
How you can get involved
But you can also get involved by taking part in the English Heritage audit in your own area. You can also find out how to lobby your local council.
Copies of English Heritage's 'Save Our Streets' campaign booklet and CD-Rom are available free by calling:
0870 3331181
Tell us what you think - are our streets becoming too cluttered?
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watch Julia's interview with Dr Simon Thurley 
Britain is the most over-signed country on earth. We will soon have street signs saying "caution new street sign ahead". 
