Mynyddislwyn in Wales has a Check Local Score of 64/100 (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 climb the hillside here, stone-fronted and close-packed, the kind of streets where cars are parked half on the pavement and everyone still says hello. Mynyddislwyn sits in that band of the Welsh valleys where the landscape does most of the talking — steep, green, and quiet enough that you notice a car passing. It's not a place that performs for visitors; it's a place people are simply from, generation after generation, and that shows in how settled it feels.
The numbers back up the calm. This is one of the safer corners of the country by the area's own reckoning, and while Caerphilly county as a whole logs a much higher crime rate, Mynyddislwyn's total sits well below that backdrop — violence and anti-social behaviour make up the bulk of what little there is, which is the valleys pattern rather than anything distinctive to this street. Housing here is unambitious in the best sense: terraced, freehold, everything sold outright rather than leased, and prices running below both the Welsh average and Caerphilly's own median — this is a place you buy into, not speculate on. Schools are the community primaries you'd expect in a village this size — Pontllanfraith Primary, YSGOL GYMRAEG CWM GWYDDON offering Welsh-medium education, Abercarn Primary — all modest in size, all rooted in their catchments rather than drawing from afar.
Green space is thin on the ground in the strict sense — there's barely more than a hectare of formally counted parkland — but that undersells a place hemmed by hillside and footpaths rather than laid out around a municipal park. Broadband is a pleasant surprise: full-fibre coverage running close to nine in ten properties, better than you'd guess from the outside of these older terraces. What's missing is a nightlife scene or a cluster of restaurants — this isn't somewhere you'd move for choice on a night out, and the practical read is that you'd drive to Newport or Cardiff for that. Healthcare and general wellbeing sit a touch below where the area's other strengths would suggest, the one grade that doesn't match the pattern, worth a mention if that matters to your household.
This suits someone who wants a settled, affordable foothold in the valleys rather than a commuter's springboard — an older buyer, a family already rooted locally, or anyone who values quiet streets and a freehold roof over their head more than convenience on the doorstep. If you need buzz, or a five-minute walk to a GP surgery you're confident in, look elsewhere in the county; if you want a village that keeps its head down and its prices modest, this is a reasonable bet.
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.