Composite doors in Gwithian, installed professionally.

Gwithian sits right against one of the largest dune systems on the north Cornish coast, and that proximity shapes almost everything about how a door survives here. Properties along the dune-facing edge of the village, and those on Sandy Lane and toward the Towans, take a genuine sand-blast on a dry, windy day — fine, dry sand lifted off the dunes and driven at the building fabric with real force, not just an occasional gritty breeze. It behaves differently to the salt spray problem we deal with on a rocky headland like Sennen or Land's End: sand is abrasive in a way salt spray isn't, and over years it can visibly scour a soft-finished surface, dull a gloss paint job, and work its way into any gap or channel it can find.

A composite door's factory-hardened GRP skin resists that abrasion far better than painted timber or a soft uPVC finish, but we still specify Gwithian doors with the abrasion risk specifically in mind — wider, less easily blocked drainage channels in the threshold, and seals selected for their resistance to fine particulate ingress rather than just water. We also avoid recommending very high-gloss finishes on the most dune-exposed properties, since a gloss surface shows fine scratching from windborne sand more visibly over time than a satin or matt finish does.

Gwithian doesn't just get sand — it sits directly on the coast between Godrevy Point and Hayle, and takes proper salt-laden Atlantic wind on top of the dune exposure, particularly on the stretch nearest Godrevy where there's very little standing between the property and the sea. We treat this as a combined-exposure specification rather than picking one problem to solve: full marine-grade A4 stainless fixings as our baseline, the same as any severely exposed coastal village, layered with the sand-specific threshold and seal detail described above. It's a slightly different combination of demands to anywhere else we work, and we've adjusted our standard Gwithian spec over a number of installs here based on what we've found opening up older doors — sand packed into hinge recesses and lock mechanisms as often as we've found salt corrosion on fixings.

Hardware gets a light protective treatment at fitting for exactly this reason, and we talk Gwithian customers through a simple hinge and lock mechanism check every year or two — a can of appropriate lubricant and a visual check takes minutes and keeps moving parts free of accumulated grit before it becomes a functional problem rather than just cosmetic.

Gwithian and the stretch of coast toward Godrevy Point, with its lighthouse and beach car park, is a popular destination for coastal walkers and beach visitors through spring and summer, and the village's housing stock includes a substantial number of holiday cottages and let properties alongside the longer-standing village community. As with any coastal village that sees seasonal occupancy gaps, an empty holiday property misses the early warning signs of a developing fault — a slightly stiff lock, a seal starting to lift — that a permanent resident would notice and report immediately.

We flag the sand-and-salt combined exposure specifically to holiday-letting owners and managing agents at survey, because the maintenance interval that works fine on an inland let doesn't hold up here — we suggest at least one seasonal check of the door and threshold, ideally before the main summer letting season starts when the dunes are driest and sand-blast risk is at its highest, and again after the autumn storms have had their say.

Gwithian's older core around Church Lane and Prosper Hill includes traditional Cornish cottages, some dating back well over a century, alongside a good number of newer builds and conversions closer to the Towans that have gone up to meet demand for coastal property in a genuinely desirable spot. We fit a correspondingly wide range of styles here — traditional panelled doors in Cream, Sage Green and Black for the older cottages, and a broader contemporary range including Anthracite Grey and Duck Egg Blue for the newer coastal-facing properties, where owners are often more interested in a clean, modern look than in matching a historic pattern.

There's no conservation-area designation covering Gwithian in the way there is in parts of Mousehole or Newlyn, which gives more flexibility on colour and panel style throughout the village, though the older cottages around the church still tend toward the traditional palette simply because it suits the building stock, not because anything requires it.

Access in Gwithian is generally more straightforward than the tightly packed harbour villages further down the coast — most streets take a van without difficulty, and Church Lane and Prosper Hill are wide enough for a normal working install. The properties right at the dune edge along Sandy Lane can mean a short final carry across loose sand rather than a hard surface, which we plan for by bringing the door and frame sections in on a trolley or by hand for the last stretch rather than risking a van getting bogged down on soft ground close to the dunes.

We also keep an eye on wind forecasts for Gwithian installs specifically because of the sand-blast risk — a strong dry wind over the dunes on install day makes it harder to keep sand out of a freshly fitted seal or lock mechanism while the door's still being finished off, so on a genuinely blustery dry day we'll sometimes shift the timing of the final fitting details to a calmer part of the day.

Fitted prices sit within our standard £1,395–£2,895 range, with dune-edge and Godrevy-facing properties tending toward the middle and upper part of that range because the combined sand-and-salt specification is fitted as standard rather than sold separately. A straightforward village-core door away from the immediate dune edge, with less severe sand exposure, can sit toward the lower end. As elsewhere, we itemise the specification clearly at quote stage so it's obvious what's included rather than assumed.

The stretch of coast path running from Gwithian up to Godrevy Point sees a steady flow of walkers, surfers and families heading to the beach car park right through the warmer months, and while that footfall mostly bypasses the village's residential streets, it does mean Gwithian never quite goes quiet the way a purely residential inland village might over winter. Church Lane and the lanes down toward the beach see a mix of dog walkers, surfers carrying boards down to the Towans, and the everyday comings and goings of a village that's as much a working community as a tourist stop.

That steady use is a small factor in door specification too — hardware that's opened and closed dozens of times a day by a family running a holiday cottage, or by a household with surfboards and wetsuits going in and out constantly, benefits from the same heavier-duty handle and hinge spec we'd recommend for a working household elsewhere, rather than the lighter fittings that would suit an occasionally used door. We ask at survey how the door will actually be used day to day, because a beach-adjacent property with sandy boots and boards passing through several times daily wears a threshold and seal differently to a quiet inland cottage, whatever the weather is doing outside.