Terraced rows climb the valley streets here in short, tight rows, the kind of housing that was built fast and close together for people who worked nearby and needed to walk to it. Markham still carries that shape — a small, dense pocket of a village, just under five hundred people packed onto streets that feel more urban in density than the surrounding hills would suggest. It's not a place with a high street of note or much passing trade; what you see is what it is, a residential terrace village with little pretence about being anything else. The practical picture is thin but tells a consistent story. There's one school, Markham Primary, with just over two hundred pupils on its roll — no inspection grade is listed, so you'd want to visit and judge it yourself rather than rely on a rating. Housing here is almost entirely freehold terraces, sample sales putting the median around £151,500, some 20% below the price levels typical of the wider Caerphilly county borough, and well under the Welsh average house price. That combination — freehold terraces, sub-£160k, no new build in the mix — reads as a place bought outright rather than mortgaged into by first-time buyers chasing a starter home; a For Sale board on one of these streets is advertising an established, unchanging kind of stock, not a redevelopment opportunity. Twelve transport stops serve the village, though there's no rail station in the picture, so this is a place organised around buses and cars rather than a commuter line. Day-to-day, green space is limited — three plots totalling under three hectares, modest against the Welsh average for a village this size — so this isn't somewhere you'd move for sweeping open ground. What stands out instead is the safety grade, which sits at the very top of the scale, a genuinely striking result set against a place that ranks in the more deprived fifth of Wales on both income and general deprivation. That's the quiet tension in the numbers: a community with limited economic opportunity by WIMD measures, yet one that the crime data marks as unusually safe to actually live in day to day — even though the raw crime rate here runs sharply above the Caerphilly county average, driven mostly by violence and anti-social behaviour categories that tend to cluster in small-population areas where a handful of incidents move the percentages a lot. Worth sitting with rather than dismissing, but not necessarily the full picture a raw rate suggests. Markham suits someone who wants a quiet, tightly-knit terrace community, is buying outright or with a small mortgage, and isn't reliant on rail for getting to work. It's less suited to anyone wanting parkland on the doorstep, a wide choice of schools, or a fast commuter line — those factors simply aren't part of what this village offers, and it's worth being honest about that before you fall for the price tag alone.