uPVC & Aluminium Casement Windows St Austell

Our casement windows are available in a comprehensive range of window styles, suitable for all types of homes across St Austell. Both our uPVC & Aluminium windows offer exceptional levels of energy efficiency as well as a choice of aesthetics.

Available in Rehau, Veka Halo & Smart Systems profiles, our casement windows offer a wide choice of styles and colour finishes, which will fulfil the requirements for a variety of applications both in new build and refurbishment projects. Every installation comes complete with a 10 year guarantee as standard and is registered with governing body Assure.

Since Mike Martin Windows started in 1986 our specialist team are proud to have undertaken some fantastic projects in areas such as Rock, Wadebridge, Padstow & Falmouth to just name a few.

Get an instant online quote today using our online design tool, simply click below to start your quote now.

Customise your windows

uPVC Colours

Aluminium Colours


uPVC Profile


Aluminium Profile

Obscure Glazing Options

Replacement uPVC windows in St Austell

Every one of our custom double-glazed uPVC windows is made specifically to meet the needs of the individual homeowner.

This gives you the option to add our modern or vintage window furnishings, as well as decorative glazing panels, to give the space a special feel. We provide stained, etched, and frosted glazing options, all of which contribute to preserving your home’s privacy.


Energy Efficient Casement Windows St Austell

The innovative multi-chambered design of uPVC keeps the heat inside and the cold outside. They can have our high-tech double or triple glazing installed, which is done so in an airtight and leak-proof manner to keep out draughts.

This will not only ensure that your home is well-insulated but will also result in lower heating costs because fewer resources will be required to heat your rooms. Additionally, it reduces your home’s environmental impact.



Established in 1986, Mike Martin Windows are proud of their history and experience within the industry


Mike Martin Windows are proud to offer a full 10 year comprehensive guarantee with every installation


Mike Martin Windows do offer a free no obligation quotation to every customer and do not undertake any pressure sales tactics


Every product supplied by Mike Martin Windows is made to measure for each customer

What our customers say

Great quality and competitive price

We had two rotten timber windows replaced in our old Farmhouse. The windows were fitted and they look superb. Great quality and a competitive price.
Jan, 24

Reik, N

Installer went above and beyond

Good quality product. Installer went above and beyond to be helpful.
Jan, 24

Mathers, P

Recommend to anyone

Brilliant job happy to recommend to anyone.
Jan, 24

Keeling, H

Superbly finished job

Replaced an outside wooden door with a UPVC one. Initial survey and advice was done very politely and efficiently. I was told demand might cause a wait. Received a phone call offering 8th Jan which I accepted. The fitter arrived on time, worked efficiently, tidied up and left us with a superbly finished job.

Turner, A

Clear advice and friendly team

New windows and doors, super easy communication, clear advice and friendly team.
Jan, 24

Thomas, K