Petersham reads as village rather than suburb: a scatter of period houses, a green edge that never quite gives way to city density, and the sort of quiet that makes you check you haven't left London. The population here is small and spread thin for a London postcode, and you feel that in the streets — this is somewhere people settle rather than pass through, with a median age comfortably above the capital's norm. The practical picture is a genuine trade-off. Petersham sits well inside the better-off bracket nationally, and schooling is the standout: Grey Court School posts a strong progress score for its secondary leavers, and The Russell Primary School carries a solid "Good" rating, backing up an area-wide schools grade that sits at the very top of the scale. Transport is more modest — a handful of stops rather than a station cluster on your doorstep — so this suits someone who drives or doesn't mind a longer hop to rail, not a platform-to-desk commuter. Housing, meanwhile, is priced well above the London median and sits lower than the Richmond upon Thames borough average by around a tenth — which sounds like relief until you see that the market here is dominated by flats on leasehold terms rather than the houses the village setting might suggest; a For Sale board here is as likely to mean a leasehold conversion as a freehold cottage. Green space is the organising fact of daily life — with roughly 77 hectares across a handful of named spaces for such a small population, this is a place built around walking dogs and pushing prams rather than restaurant-hopping; the environment grade sits at the top of the national scale, and it shows. Health provision reads as solidly above average too. Crime is where the story gets more textured: the overall safety grade is strong and the direction is improving, yet the raw comparison to the borough shows a rate well above the Richmond average, with violence and anti-social behaviour making up over half of recorded incidents. That's the one grade that doesn't match the rest of the pattern, and it's worth sitting with rather than dismissing — a low-crime borough can still have a small area with a concentrated caseload. This suits someone past the first-job stage of London life — settled, probably driving more than commuting by rail, drawn by schools and green space rather than nightlife or transport links, and willing to pay a premium for a leasehold flat in a setting that otherwise feels more countryside than city. If you need a station on your doorstep or a freehold house without stretching hard, Petersham will frustrate you before it charms you.