Trelewis in Wales has a Check Local Score of 61/100 (good), drawn from official data on safety, schools, transport, housing, amenities and the local environment, each measured against the national average — a score of 60 is typical for the country.
Terraced rows in dark stone or pebbledash climb the valley streets here, the kind of housing that was built for colliery families and never quite shook off that purpose — solid, close together, unpretentious. Trelewis sits in the old South Wales coalfield country, and you feel that history in the terraces before anyone tells you about it.
The practical picture is a village-sized one. There's a single school, Trelewis Primary, serving 244 pupils as the community's own — no secondary, no real choice of schools, so families here are already looking outward for the next stage. Housing is almost entirely terraced and freehold: of the recent sales, twelve of nineteen were terraces, and every single one was bought outright rather than leasehold, which tells you this is a place of individual owners rather than landlords or developers. The median price sits around £126,500, a fraction of the Welsh average of £208,000, and even against Merthyr Tydfil, the local authority it belongs to, it's still only a touch above the borough figure. This is a place where a modest income buys a house outright, not a place to come chasing capital growth.
Green space is present but not generous — six patches totalling just over a hectare, modest against the Welsh average of nearly ten hectares per thousand people, so it's parks in the small, everyday sense rather than a rambling common. Sixteen local transport stops keep the village connected without it reading as a commuter hub in the way a rail-served town would. What stands out more is the safety picture set against the wider grade pattern: connectivity, transport and affordability all read comfortably above the Welsh average, and safety does too on the area's own grading — yet violence and sexual offences still account for two in five of all recorded crimes, and the overall crime rate, when measured against Merthyr Tydfil's, runs a good deal higher than the borough itself. That's the one incongruous note in an otherwise settled, well-connected profile, and it's worth sitting with rather than skating past.
Income and deprivation figures place Trelewis in the less deprived half of Wales but not comfortably so — mid-table, decile four, with household income running lower still. It reads as a working village rather than an aspirational one: median age 38, younger than the Welsh average, full fibre broadband reaching three-quarters of homes, council tax bills close to the national norm. People who live here are likely to be locally rooted, priced sensibly into ownership, and not chasing the pace of a bigger town. The trade-off is plain enough — you get affordability, quiet infrastructure, and a real sense of place, set against a limited school choice, thin green space, and a crime picture that runs hotter than the immediate area around it. Whether that trade sits comfortably depends on how much weight you put on the safety figure against everything else lining up in the area's favour.
Data last updated: 15 August 2026
Pick another area to line them up side by side — the verdict, both Check Local Scores, and what actually separates them.