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Sustainable Plastics Home Improvements is one of Lancashires most popular and approved installers of double-glazing windows, doors and conservatories. We have a big selection of styles, colours and finishes to suit your home.

Front & Back Doors

Our double-glazed doors are secure, durable, sound-proof and energy efficient. You’ll find the perfect new door available as French, bi-fold, patio, front and back doors.

Choose from composite doors, wooden doors, uPVC doors and aluminium doors. Add that extra space to hang your boots with a new porch or replace your old garage door with a secure colour-matched design.

uPVC Doors

Long-lasting and virtually maintenance-free, our uPVC front and back doors are attractive and practical. We confidently guarantee their quality, thermal efficiency and state-of-the-art security. They won’t fade or discolour and you can achieve a bespoke look with glass panels in a variety of designs.

Composite Doors

Our collection of composite Classic GRP and Elite Solid Core front and back doors are manufactured using the latest materials and most innovative engineering techniques.

Our four stunning ranges mean we’ve the perfect design for your home – which you can customise with your choice of colour, door furniture and decorative glass. Whichever composite door you choose, it’s guaranteed to bring enduring style to your property.

Aluminium Doors

Our aluminium external doors are made with the highest-quality extruded aluminium alloy, then powder-coat them for an attractive, durable and low maintenance finish.

With a wide choice of designs, colours and glazing options, you can tailor the appearance of your replacement aluminium door with the confidence that it’s secured by a Yale kite marked 3 star cylinder lock for maximum security.