uPVC Double Glazed windows & Conservatories

Castle Conservatories are a well established South Yorkshire based company with over 30 years experience designing and installing high quality Conservatories & UPVC double glazed windows.

Whether you are after a tranquil retreat or in need of a little extra living space, our designers can create a Conservatory to match your dreams.

Once your design is approved our expert installation teams will do the hard work installing your dream Conservatory, whilst you sit back and enjoy it.

Castle Conservatories are a FENSA registered company (No. 26273) offering an insurance backed guarantee with every installation, giving you that added peace of mind.


  • Conservatories

    UPVc Conservatories Doncaster, Sheffield, Rotherham

    Designed to suit your needs and budget our range of stylish uPVC Conservatories provide a tranquil retreat or that much need space.


  • uPVC Windows

    Double glazed uPVC windows Doncaster, Sheffield, Rotherham

    We offer uPVC double glazed windows in a wide range of styles to suit all tastes, including Georgian Barr and Austrian Frett.

    Double Glazing

  • doors

    Composite & UPVc Doors Doncaster, Sheffield, Rotherham

    Our range of Composite and uPVC double glazed doors offer security and style to suit all requirements.

    uPVC Doors

  • Roofline

    Fascia, Soffit & Guttering replacement Doncaster, Sheffield, Rotherham

    Transform your house by replacing that old fascia & guttering with our stylish range, available in a variety of colours.

    Fascia & Gutter