Hi. That looks like a well thought out and comprehensive design. While I don't mind the driveway colour as is, I think the grey will really stand out and look amazing, as well as tie all the exterior elements of your property together. I too like the edging as long as it's low enough that your mower won't hit the bricks. Looks like this project will greatly expand your useable outdoor space and, most importantly, increase enjoyment for you and your family. Best wishes!

If you're concerned about monument feeling too oppresive, you could always go a couple of shades lighter, say Basalt or Windspray (if you're looking at colorbond colours), which will still give you a modern feel and enhance planting in front. Or you could allow the timber to weather to a natural grey. If there's going to be plants covering it up eventually it will save time, money and further maintenance with repainting. Just be aware with a narrow bed, you're going to be limited as to what you can put in there. Consider ongoing maintenance - (ie how do you trim a hedge, are leaves and flowers going to be an issue) and I would advise putting in a raised edge to minimise water pooling in the garden bed and drowning the plants. Additional drainage will also help to remove any excess water from the bed from splash. It may be worth getting professional in to have a look and offer some suggestions. Many landscape designers offer consultation services. They will also be able to help with colour advice, taking into consideration the house and aspect.

It is difficult to tell exactly what colours are there already, but I think you need to consider what kind of visual impact you want the fence to have compared to the rest of the exterior. If you choose a colour similar to the house, the effect will be a unified frontage and the look of a larger property overall, but giving the house itself less impact. If you would prefer to create a visual break so that the house retains it's dominance on the block, a darker, cooler colour would be best for the Colourbond fence. I personally would recommend blending the fence with the gate as opposed to creating a contrast (which can look busy), but it comes down to personal choice in the end. Try holding a colourbond chip up to the house from the other side of the road and you will get a vague idea of what I am talking about! Good luck with it all!

Firstly , you want something that you like , that suits the area and the climate and the vibe , so some of our suggestions are just guesses , modulated by our preferences , so take this more as a discussion , not a set-in-stone outline . Normally my ears prick up when I hear someone say they don't mind something a bit out-there , but I don't think this place wants to be or needs to be -- I'd embrace the era , and go with a 50's soft blue or apricot or mint green . The base boards then could be a more mainstream blue or orange or forest green -- not super bright shades of those , but about 3 times the brightness of the main tone , not 6 or 8 times , if that makes sense . They'd all look good with the white trim , and I personally would have gone for a stronger roof colour , but its pretty neutral so its easy to work with , and won't offend anyone haha . And the fence -- almost certainly a charcoal black stained wooden fence . Within 6 months , as your house starts looking attached to the site , so will the fence fade and weather and not look 'newly done' .