The Mont Blanc is built on Endurance's 48mm solid engineered-timber core, so it stays rigid in Cornish wind and driving rain rather than flexing like a foam-filled slab. Roughly 30% of the face is glazed across 12 apertures, and every unit is fitted with toughened, argon-filled double glazing as standard. Supplied and installed across Cornwall by our own CERTASS-registered fitters, finished in any of the 20 Endurance colours shown on this page.
Among Endurance's full-glazed doors, the Mont Blanc earns its place, with 30% of the face glazed across 12 separate apertures. That proportion of glass is deliberate rather than decorative: a run this generous is built for hallways that need genuine daylight, not just a glimpse of the porch. Every unit is toughened and argon-filled as standard, and the 12-aperture layout is what gives the Mont Blanc its particular rhythm on the door face.
On site, the Mont Blanc tends to get chosen for the same reason twice over: it suits modern new builds, and the full-glazed layout gives homeowners exactly the balance of light and privacy they were describing before they'd seen a single sample.
Written by Cornwall Composite Doors·Reviewed by Cornwall Composite Doors installers
Choose a colour
On-screen colours are rendered from our own studio photography of each door and will vary slightly with your screen. Ask us for a physical colour sample before ordering.
10-year Endurance manufacturer guarantee, colour included
Fitted from
£1,850 supplied and installed in Cornwall
Best suited to
Modern new builds
Open-plan hallways
Maximum daylight
This is a full glazed design. Anthracite Grey delivers architectural impact and reads sharp against brickwork, render, granite and slate across Cornwall.
Fitted by our own CERTASS-registered installers right across Cornwall — Truro, Falmouth, Newquay, Penzance, St Austell, Bodmin, Camborne, Redruth and every village between.
Reading the Mont Blanc's proportions on a real frontage
With 30% of the face glazed across 12 apertures, the Mont Blanc sits comfortably on open-plan hallways — the glazing is proportioned to lift a hallway without turning the entrance into a shop window. On a cob elevation the panel lines read as intentional rather than decorative, which matters on the terraced streets around Mousehole and Bodmin where every door on the row is visible from the pavement. If your hallway is genuinely dark, this is one of the better-lit options in the full-glazed category without stepping up to a full-glass design. As with every Endurance design, the Mont Blanc is backed by the 10-year manufacturer guarantee covering the core, the hardware and the colour finish, regardless of which property type it's fitted to.
Which of the 21 Endurance colours suit the Mont Blanc
The Mont Blanc's 12-aperture glazing pattern photographs well in Quartz Grey, where the frame lines around the glass stay crisp rather than disappearing into the panel colour. Brilliant Blue is the other finish we would put in front of a customer choosing this design — it is muted enough that the glazing, not the door colour, is the first thing you notice on the full-glazed face. For a bolder frontage, Chartwell Green gives the same proportions a completely different character without changing the layout at all. Whichever you choose, ask to see a physical sample against your own cob; screens flatten differences that are obvious in daylight. Dual-colour finishing — a different shade inside and out — is available on the Mont Blanc at no extra cost, which is worth considering if the hallway decor doesn't match the exterior palette you want.
Getting the glazing and hardware right
We would default the Mont Blanc to an obscure design such as Jewel across all 12 apertures if the door opens straight onto a pavement, and offer Prairie as the upgrade where more visibility through the glass is welcome — a rear garden door, for instance, or a porch that already screens the view. On hardware, this panel layout carries a slim lever handle well; a bulkier traditional set can look slightly out of scale against apertures this size. Multi-point locking and a 3-star anti-snap cylinder are fitted as standard regardless of glass or colour choice, so the security specification doesn't change whichever route you take with the Mont Blanc.
From Bude to Land's End, Padstow to the Lizard — our Cornwall-based surveyors and installers fit composite doors across every town, village and coastal parish in the county. Same standard, same 10-year guarantee, wherever you are.
