The Edinburgh-based house-builder is aiming to start construction on the site in early 2016.
New homes on the 21 hectare Letham Mains site will include 167 detached houses, 30 semi-detached properties, 46 terraced homes, 14 town houses and 119 flats.
The plans include creating a park that will run along both banks of the Letham Burn, including footpaths and a playing field.
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