Sustainable Plastics Home Improvements

Lancashire Home Improvements

Unit 10 Vale Industrial Park, Watery Lane, Darwen, BB3 2ET Directions

   Now closed Open Monday 09:00 - 18:00

Why Choose Us?

Fully Qualified
Promoting Recycling
Free Quotes

Business overview

Sustainable Plastics Home Improvements is one of Lancashires most popular and approved installers of windows, doors, roofing, rooftrim, cladding and conservatories.

Big selection of styles, colours, materials and finishes to suit your home.

10 Year Guarantee minimum on all products.

We’re confident you won’t need to use your guarantee, but if you do, it’s covered by insurance.

Widely accredited, reliable team with over 10 years experience.


Front door and window installation
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Products & Services

24 Hour

Aluminium Doors

Aluminium Windows

Bifold Doors


Door Fitting

Door Repairs

Conservatory Repairs


Double Glazed Windows

Double Glazing Repair

Front Door Installation


Window Installation

UPVC Windows

UPVC Doors

Folding Doors



Window Companies

Replacement Doors

Replacement Windows

Commercial Glazing

Door and Window Fittings

Double Glazed Porches

Double Glazing Materials

External Doors

Internal Doors

Porch Doors

Rooflights and Skylights

Victorian Windows

Wooden Windows

Window Repairs

Casement Windows


Emergency Glazing



  • Assure Certification


  • Health and Safety in the Workplace, Level 3 Award (City and Guilds of London Institute)


Brilliant job

Cannot thank these guys enough. They have done a fabulous job of my door. Andy came and fixed our door that has been broken for 3 years. I thought it was unfixable but it wasn’t and it now opens like a dream. He even cleaned up after himself I was well impressed. Thank you.
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Excellent service

Excellent service from start to finish. Definitely recommend & use again 5* service
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I would definitely recommend SP . They are a reasonable priced and very professional company from the initial booking and fitting the windows.
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