Outstanding, and it is doing most of the heavy work in any argument for living here. The village sits inside a protected river valley with water at the bottom and woods on both sides. Green space starts a couple of minutes from most front doors. The nearest big house and gardens are a National Trust property. Almost every reason people put up with the hill, the drive and the electric heating is visible from the top of the lane.
Green space is close and plentiful. Across the area there are around five green sites within a kilometre of a typical postcode, at an average distance of about 245 metres. That is not a park you drive to. That is the countryside beginning where the gardens stop.
Water is closer still. Blue space averages about 130 metres from a postcode here, with roughly 51 separate stretches of water within a kilometre. That number sounds implausible until you remember what a tidal river valley with creeks, leats and a canal actually looks like on a map. The River Tamar is the organising fact of the whole place.
Cycling is the weak link in the outdoor picture. The National Cycle Network averages about 6 kilometres away, and no postcodes here sit close to it. There is no ancient woodland recorded in the area either, which is worth knowing if that specific designation matters to you. Neither absence stops the walking, which is the thing this valley is actually built for.
The amenity picture is a village one, not a town one. Ownership and rating records show 16 shops and 8 pubs, no restaurants, 7 offices and 21 holiday lets. Eight pubs and no restaurants tells you exactly what the evening economy is, and the holiday-let count tells you who else is arriving in August.
On air, fine particle levels across the Cornwall council area averaged 5.1 micrograms per cubic metre in 2024. That is a council-area figure rather than a village one, and it is stated here without any claim about what it does or does not mean for health.
Every postcode in Calstock sits inside the Tamar Valley Area of Outstanding Natural Beauty. All of it, not a portion. That designation is the reason the view from the viaduct has not been improved by anyone.
The character comes from what the copper and arsenic money left behind. Calstock Viaduct strides across the river above the quay. Cotehele House and its gardens sit within reach, along with Morwellham Quay across the water and the remains of the Gawton arsenic mine and flue. Around them are hamlets with names like Bohetherick, Tuckermarsh and Metherell, plus Gunnislake up the hill and Albaston and Metherell filling the gaps. Conservation areas at Calstock and Bohetherick keep most of it looking roughly as it did when the boats were still working.
Private outdoor space is generous in a way that public green space figures never capture. The area carries around 305,000 square metres of private garden per 1,000 residents. In practice that means houses here have proper gardens rather than yards, which is the thing a buyer moving from a terraced street actually notices first.
As for what trades here, the valuation list records 36 rateable premises across the area. Those are premises on a rating list rather than a directory of businesses currently open, so treat them as the scale of the commercial fabric rather than a guarantee of what is behind any particular door.
Eating out is a short list well kept. Of the 7 rated food premises, 86% hold the top food hygiene score and none sit at the bottom of the scale. Seven places is not a scene, but the ones that exist are looked after.
On formal protections, the picture is mixed and worth stating plainly: the whole area falls within the Tamar Valley designation, while no site of special scientific interest overlaps it and no ancient woodland is recorded. That is not a criticism of the landscape, which is protected at the level that counts. It just means the specific ecological designations sit elsewhere.
The surroundings are the single best thing about Calstock and it is not a close contest. Protected valley, water at the bottom of almost every lane, a National Trust house within reach and gardens that would cost a fortune anywhere with a decent bus service.