How much glass does the Etna actually let in?

Roughly 19% of the door face is glazed across 8 separate apertures. That is on the generous side for the range, so expect a noticeably brighter hallway than with a part-glazed design.

Can I choose a different glass design for the Etna's apertures?

Yes. Diamond and Clarity are the two we most often fit in this layout, but the Etna's apertures accept the full Endurance glass range, from fully obscure privacy glass through to clear or bevelled options if the door doesn't face the street.

Does the Etna suit a north-facing or naturally dark hallway?

Very well — the 19% glazed area is specifically enough to make a real difference to a dim hallway without a full-glass design.

Endurance Etna composite door in Anthracite Grey

Shown in Anthracite Grey

Endurance single door · Cornwall

Endurance Etna composite door

The Etna 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 19% of the face is glazed across 8 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.

Cornwall Composite Doors fits the Etna more often than most of the full-glazed range, with 19% of the face glazed across 8 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 8-aperture layout is what gives the Etna its particular rhythm on the door face.

We recommend the Etna most often for contemporary homes, where the full-glazed proportions do more of the visual work than an elaborate glass design would.

Written by Cornwall Composite DoorsReviewed 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.

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Configure this door — colour, glass and hardware

Swap the colour, glass design, handle, knocker and letterplate and watch the Etna update live using Endurance's own product artwork.

Updating…

Live Endurance artwork. Screen colours are indicative — ask us for a physical sample.

Your specification

Door design: Etna
Colour: White
Glass design: Clarence
Handle: Lever/Lever

Specification

Core: 48mm engineered timber core, 17 laminated layers
Skin: Factory-finished GRP with woodgrain texture
Security: ABS 3-star anti-snap cylinder, multi-point locking, PAS24
Thermal: U-values from 1.2 W/m²K with the standard doorset
Guarantee: 10-year Endurance manufacturer guarantee, colour included
Fitted from: £1,850 supplied and installed in Cornwall

Best suited to

Contemporary homes
Sea-view properties
Bright entrance halls

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.

Which Cornish properties suit the Etna

With 19% of the face glazed across 8 apertures, the Etna sits comfortably on sea-view properties — the glazing is proportioned to lift a hallway without turning the entrance into a shop window. On a reclaimed brick elevation the panel lines read as intentional rather than decorative, which matters on the terraced streets around Newquay and Wadebridge 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. Whatever the property type, every Etna we quote is measured and templated on site rather than to a standard size, so the panel and glazing proportions shown here translate exactly to the finished door.

Getting the colour right on the Etna

The Etna's 8-aperture glazing pattern photographs well in Chartwell Green, where the frame lines around the glass stay crisp rather than disappearing into the panel colour. White Foiled 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, Rich Red 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 reclaimed brick; screens flatten differences that are obvious in daylight. Dual-colour finishing — a different shade inside and out — is available on the Etna at no extra cost, which is worth considering if the hallway decor doesn't match the exterior palette you want.

Finishing touches on the Etna

Diamond is the glass design most customers choose for the Etna's apertures, since it obscures the view through without darkening the hallway the way a heavily patterned glass can. Clarity is worth considering if the door sits under a porch roof, where privacy is already handled by the structure and a clearer glass lets more light through. Pair either with a handle finish that matches your existing window furniture so the whole frontage reads as one decision rather than several. Our CERTASS-registered fitters install the Etna in a single day in almost every case, including full disposal of the old door and frame.