Coastal plain, no national park, plenty of green space. The average home is about a hundred metres from the nearest park or open space. There are roughly fourteen green spaces within a kilometre. A water feature sits within about three hundred and fifty metres. Quiet without being remote, and historic without being twee.
The local environment is the village's strongest dimension on every measure that gets recorded. Open green space is functionally at the door: an average distance of about a hundred metres from any home to the nearest park, common, recreation ground or accessible meadow, with around fourteen separate green spaces falling inside a kilometre of the typical house. Water features run close too, with the nearest at about three hundred and fifty metres and around seven inside the same kilometre radius. None of the village sits inside a designated Area of Outstanding Natural Beauty, none of it falls inside a Site of Special Scientific Interest, and the ancient-woodland footprint here is zero. That is not a complaint. The absence of those designations means there is no overlay restricting what residents can do in their gardens, while the actual on-the-ground green is plentiful. The village's coastal-plain position is doing the work that, somewhere else, a national-park line on a map might claim credit for.
The surrounding character is small-village, low-density, agricultural-fringe. Tangmere sits about three miles north-east of Chichester, which is the gravitational centre for jobs, shops and most of the things people drive somewhere for. Around it sits a ring of villages that share its road network and its mood: Westhampnett immediately to the west on the Chichester side; Aldingbourne, Eastergate and Westergate over to the east on the Arun side; Shopwyke, Merston and Oving filling in the southern flank. The big institutional presence in the wider parish is Goodwood, whose estate owned Tangmere land until the 1930s and whose Grade One cluster of buildings, including the house itself, the stables and Carne's Seat, sits a step outside the village footprint. The medieval ecclesiastical landscape is still visible in the Boxgrove Priory ruins north of the village. To the south, the same coastal plain runs out toward the Chichester harbour villages, with Bosham the most photographed of them and the most expensive to buy into. Around Tangmere itself, the day-to-day amenity is village-scale rather than town-scale, and the road infrastructure makes the car-and-cycle combination the practical way to live here.
Excellent surroundings is the honest verdict. The countryside is on the doorstep without any designation paperwork doing the work for it, the heritage cluster nearby is unusually dense for a village this size, and the road out to anywhere properly rural is short. The area earns its top mark on the strength of what is around the village rather than what is inside it.