The harbour does most of the talking. About three-quarters of the parish sits inside the Chichester Harbour Area of Outstanding Natural Beauty. The typical postcode has water within around 170 metres and seven or eight green spaces within a kilometre. Neighbouring villages run from Broadbridge and Hambrook on the inland side through Chidham, Nutbourne and Apuldram, and across the water to West Itchenor on the opposite shore. The landscape is the amenity here, not a backdrop to it.
Green-space access in Bosham is genuinely close. The typical Bosham postcode sits around 300 metres from the nearest publicly accessible green space, and within a kilometre of around seven or eight of them. Blue-space access is closer still, with an average of around 170 metres to the nearest water and a count well into the dozens within a kilometre, which is what happens when the parish is a peninsula projecting into a harbour. Around a third of postcodes sit close to the National Cycle Network, with the typical distance to a network section running at around 750 metres. For a household that walks the dog daily, runs in the morning or pushes a buggy after lunch, the geography does most of the heavy lifting on amenity.
The defining landscape designation is the Chichester Harbour Area of Outstanding Natural Beauty, which covers around three-quarters of the parish. This is a national-grade landscape protection: development inside it goes through tighter scrutiny on visual impact, materials and scale than ordinary planning rules apply. The harbour itself carries further international recognition as a wetland of importance and as a protected area for wintering wildfowl and waders, which gives the ecological status of the water and shoreline formal weight in any planning decision that touches it. For a buyer looking at amenity, those designations are most of the reason Bosham looks the way it does and stays looking the way it does.
The character of the area splits into halves. The historic harbour-side village clusters around the quay and Holy Trinity Church, with Bosham Hoe extending the peninsula south into private farmland and shoreline. The modern half, sometimes called Broadbridge or New Bosham, sits to the north around the rail station and the through-road that handles most local car traffic. Beyond the parish, a chain of harbour-edge villages runs along the coast: Apuldram, Chidham, Hambrook, Nutbourne and Westlands sit within a short drive of Bosham, and West Itchenor sits across the harbour mouth on the opposite shore. The wider conservation-area network extends to Dell Quay, East Ashling, Fishbourne, Funtington, West Ashling and West Itchenor, which means village character is being actively preserved well beyond Bosham's own parish boundary. Fishbourne Roman Palace sits a short distance to the east on the same coastal rail line. For comparison, Emsworth along the coast offers a similar harbour-village proposition without the same heritage weight, and Itchenor across the water does exactly what the postcode suggests.
The area around Bosham scores excellently for what it is. That is one of the most protected stretches of coastline on the south coast and one of the densest concentrations of harbour-village character anywhere in the region. Closer to Salcombe than to Whitstable. Closer to working countryside than to suburb. If the landscape is what you want, this is the landscape.