Doing up the back garden?

[Phillip K]

I am going to do up my back garden and want to know is this garden on this photo to much and to expensive with the pebbles in the water and stones under the benches?http://www.google.co.uk/imgres?imgurl=http://theluxhome.com/wp-content/uploads/2010/07/regentsmodern-gardens-ideas-4.jpg&imgrefurl=http://theluxhome.com/regents-park-%25E2%2580%2593-modern-contemporary-garden-concept-by-my-landscapes/&usg=__eYqNuqtIOvIUkWAu9JFRRv2i7CQ=&h=359&w=533&sz=35&hl=en&start=231&zoom=1&tbnid=RlCB3Bx7_EUmsM:&tbnh=158&tbnw=228&prev=/images%3Fq%3Dmodern%2Bgardens%26um%3D1%26hl%3Den%26sa%3DN%26biw%3D1280%26bih%3D837%26tbs%3Disch:11%2C7749&um=1&itbs=1&iact=hc&vpx=383&vpy=491&dur=29&hovh=184&hovw=274&tx=154&ty=72&ei=EzIqTe6fMsSe4QbNqcz2CQ&oei=EDIqTa67GYW6hAfXgbm4Dg&esq=12&page=12&ndsp=21&ved=1t:429,r:6,s:231&biw=1280&bih=837