Aluminium Entrance Doors in Cornwall
Smart Systems aluminium front and back doors, supplied and installed across Cornwall by All Glass.
Get a free quoteStrong, slim and built for the coast
Aluminium doors offer strength, durability and resistance to corrosion. All of our aluminium doors are thermally broken, which greatly increases their thermal resistance and helps combat heat loss and condensation while keeping their structural strength.
With a slim, elegant profile and a high quality powder-coated finish, aluminium doors are a great choice for contemporary homes, and for anywhere you want to let in as much natural light as possible.
We have over 30 years’ experience installing doors, and every installation is covered by our 10 year guarantee on materials and workmanship.
Why aluminium doors
- Strong, durable and corrosion resistant
- Thermally broken for better insulation
- PAS 24 security on Alitherm 400 doors
- Single or double doors, opening in or out
- Wide choice of colours and hardware
- 10 year guarantee on materials and workmanship
The doors we fit

Smart Designer Doors
Premium aluminium entrance doors in designs from traditional Victorian, Georgian and Edwardian styles to contemporary. Choose your glazing, door furniture and colour.

Alitherm 400 doors
Single or double doors, opening in or out, with the same lines as Alitherm 400 windows. PAS 24 security with a choice of key wind, lift lever or slam lock multipoint locks.

Alitherm Heritage 60
Slim, steel-look single and double doors for period properties and conservation areas, with U-values from 1.4 W/m²K double glazed.
Smart Designer Doors
Smart Designer Doors combine security and style. The range runs from traditional panelled designs to clean contemporary doors, with a wide choice of glazing, handles and colours so the door suits your home.
High-quality locking mechanisms and precision construction give the doors their strength and security.
Browse designs on the Smart Designer Doors website, then ask us for a quote.


Images courtesy of Smart Systems.

Alitherm 400 doors
Alitherm 400 doors complement the Alitherm 400 window range, so your doors and windows share the same slim, stylish lines.
- Single or double doors, opening in or out
- Approved to PAS 24 for enhanced security
- Key wind, lift lever or slam lock multipoint locking
- Typical U-value of 1.4 W/m²K, depending on specification
- Can be combined with Smart Designer Door panels
- Colour-matched lever handles or stainless steel hardware
Aluminium doors across Cornwall
We supply and fit aluminium doors in Helston, Falmouth, Penryn, Truro, Camborne, Redruth, Hayle, St Ives, Penzance and Newquay and the surrounding areas. For wider openings, see our aluminium bi-fold doors and aluminium sliding doors.
Aluminium doors: your questions answered
How much does an aluminium entrance door cost?
The price depends on the door design, size, glazing, colour and hardware. Tell us what you have in mind and we will give you a written quote, with no salesmen.
Are aluminium front doors secure?
Yes. Alitherm 400 doors are approved to PAS 24, the enhanced security standard for doors, with a choice of multipoint locks. Smart Designer Doors are built with high-quality locking mechanisms.
Are aluminium doors energy efficient?
Our aluminium doors are thermally broken to reduce heat loss and condensation. Smart Systems quotes a typical U-value of 1.4 W/m²K for Alitherm 400 doors, depending on specification.
Can I have double doors or side panels?
Yes. Alitherm 400 doors are available as single or double doors, opening in or out, and can be combined with matching Alitherm 400 windows.
What colours can I choose?
Smart Systems aluminium doors are available in a wide range of colours, with a choice of door furniture to suit.
Can you match my aluminium windows?
Yes. Alitherm 400 doors share the same lines as our Alitherm 400 aluminium windows, so doors and windows match.
Thinking about an aluminium door?
Tell us about your project and we will arrange a quote, with no pressure and no salesmen.
Get in touchOr call us on 01326 563 053
