Terraced rows climb the valley streets here in long, uniform lines, the kind of streetscape that tells you this was built for coal and steel workers rather than commuters, and that history hasn't been smoothed away by anything since. Treharris still reads as a working village rather than a dormitory one — a place people are from, not just living in. Housing is where the numbers do the talking without needing to be recited. A median house price around £109,000 sits well under both the Welsh average and the neighbouring figure for Merthyr Tydfil itself, even though Treharris is nominally pricier than the county town by a few percentage points. Almost every sale here is a freehold terrace — the property data shows terraces dominating outright, semis a distant second, and not a single new build in the recent sample — so a For Sale board on one of these streets is selling a Victorian-era freehold, not a modern estate, and the affordability grade of A reflects genuine entry-level pricing rather than a temporary dip. Rent, at £754 median, matches the Welsh average almost exactly, which is unusual for somewhere this inexpensive to buy — it suggests a local rental market pegged to national demand even where purchase prices haven't followed. The practical picture is thinner than the housing one but tells its own story. There's one primary school recorded locally, Edwardsville Primary, a community school with over 300 pupils, and one rail connection, Quakers Yard, which puts Treharris on the map for a valley-line commute rather than a fast one. Fifty local transport stops suggest bus routes carry more of the daily traffic than trains do. With a median age of 44.8 — noticeably older than the Welsh average — this reads as a village of established households and long-term residents rather than a churn of young professionals; the 1% turnover rate in property sales backs that up. Crime is the one place where the pattern breaks from the otherwise comfortable middle-of-the-road grades. Violence and sexual offences account for four in every ten recorded incidents, a heavier share than you'd want to see topping the list, and the overall crime rate here runs well above the Merthyr Tydfil average — over a third higher. Against that, anti-social behaviour and public order make up the next largest chunks, which points to visible, low-level disorder rather than organised or acquisitive crime; burglary and drug offences are both minor categories by comparison. It's the one figure worth sitting with before the generally solid B+ grades elsewhere — for health, transport, and environment — settle your impression of the place. With sixteen green spaces recorded across a compact, densely populated footprint, there's no shortage of small parks and pockets of open ground, even if none stretches to anything vast. Full-fibre broadband reaches over three-quarters of properties, which is a quietly strong figure for a village this size and this age. Put together, Treharris suits someone who wants a proper foothold on the property ladder, doesn't need a fast commute, and is comfortable in a place with real history and a settled, older population — provided the crime pattern here is something you've weighed rather than skipped past.