The listed price of £645,000 for a one-bedroom property in Kew, while seemingly high, is in line with similar properties in the area, judging by the provided data. The lack of precise square footage for comparable properties, and absence of price per square foot data for this property makes it hard to give a conclusive evaluation. The overall condition and garden seem to justify the pricing within the context of the Kew market.

The property appears to be well-maintained and tastefully renovated from the provided photos. The kitchen and bathroom renovations seem modern and high-quality, although some original features appear to be present. While the overall condition is good, the absence of full details prevents a perfect score.

The property is located in Kew, Richmond upon Thames, a highly desirable area in London known for its excellent schools, green spaces, and transport links. The proximity to Kew Gardens, and multiple train stations, including North Sheen, enhances its desirability. The presence of several highly-rated schools within a short distance further boosts the location score.

The property boasts a private garden, which is a significant advantage in London. While the exact dimensions are not specified, the photos suggest a reasonably sized, well-maintained garden which contributes to the higher score.