I like the look of the outside of the house , and initially I wouldn't change the yellowy beige colour . What I would do is get the concrete block retaining wall either rendered in the same colour as the house , or if the budget ran to it -- get a genuine stone facade . As far as gardens to soften the look , I'd stick to the meditarreanian theme , and do a couple of 2 metre tall green leafy plants in wooden round planters ( half wine barrels or similar ) , and maybe a long , slim garden ( 4 or 5 metres long by 40cm wide ) with marigolds or similar .

https://drive.google.com/folderview?id=1-6ZceqhVyorh5h6VgYopjx_fTDydGvnl

<?xml version="1.0" encoding="UTF-8"?><md>Thank you for the lovely comment @ moss furniture

I actually think it is a bit of a cutie lightly disguised. I like the proportions of the windows. Trim details on carport gable need to go - don't fit with the simple lines. I do like the curved sweep of the stairs, although there needs to be a better sense of arrival: a nice path and some landscaping at front. Perhaps freshening up the pergola as it looks a bit blah! If in good condition, paint could give it a little lift. If not, perhaps a different choice of porch covering it needs to be simple, clean lines. A different main colour on the house would make a huge difference. Are the roof tiles terracotta in need of a good clean? Bit hard to tell from the photo. I do love how charcoals and greys can offset terracotta colours, and white trim can look so crisp against such colours - like a good, classic suit. Possibly a lovely dark blue? And a colourful door to make it pop.