• Telephone: 01327 878199
  • “Daventry (Insulglass) Windows” leading Double and Triple Glazing Specialists in Northamptonshire

    Looking for Windows, A New Front Door or a Conservatory in Daventry, Rugby, Northamptonshire or Warwickshire?

    Look no further than Daventry (Insulglass) Windows who are leading double glazing specialists, covering Daventry, Rugby, Northamptonshire, Warwickshire and the surrounding areas.

    With over thirty years’ experience in replacing windows and doors, and constructing conservatories to give extra space, we can help you find the perfect solution for your home from one of the UK’s largest double-glazing or triple glazing, energy efficient door, window, conservatory and guttering product ranges.

    You can choose from sash, casement and tilt-and-turn windows in low-maintenance and thermally-efficient uPVC, aluminium , Alternative to Timber, Timber and Aluminium Clad Timber; there is a wide range of patio, French and bi-folding doors, as well as uPVC front doors and back doors and composite doors too.

    Your products will be installed by our experienced and friendly fitting teams and fully guaranteed for materials and workmanship for 10 years. We will give you the best possible, friendly advice and support from start to the finish, with the additional peace of mind that comes with dealing with a trusted local company.

    We can help you transform your home with energy efficient, high security windows, doors and conservatories in a choice of styles and finishes.

    Our 'Choices' Products


    double glazed windows northamptonshire

    View our range of replacement UPVC, Aluminium and Timber Windows available in a range of styles and woodgrain colour finishes.


    bi folding-doors northamptonshire

    View our range of replacement UPVC, Aluminium, and Timber Doors, available in a vast range of styles and woodgrain colour finishes.


    conservatories and orangeries northamptonshire

    Add a bespoke, stunning, light and airy Conservatory, Orangery or Garden Room to your home that blends perfectly with your property.

    Choices Virtual Showrooms from Daventry (Insulglass) Windows
    conservatories and orangeries northamptonshire

    Energy Savings Calculator

    Do you want to know how much energy you can save by swapping to Choices Brand Windows?

    With the ever increasing cost of fuel bills on everyone's minds, do yourself a favour and see how much energy you could save by swapping your tired old windows to our Energy Effcient 'Choices' brand windows. Not only will you likely save money but you will also be doing your bit to help the environment.

    Solidor logo

    Design Your Dream Door

    Use our Solidor Door Designer to design and build your dream door now

    Design Your Door >>

    Gresat looking solidor front door

    Timber windows and timber doors

    Daventry (Insulglass) Windows now offer an extensive range of high performance timber windows and doors and alu clad timber

    Residor logo

    Your Door Your Way

    Use our Residor Door Designer to design and build a Residor Composite door exactly how you want it.

    Design a Residor >>

    Stunning looking residor composite front door

    Zero Sightline Mullion

    Available for ‘Choices’ Flush 70 Casement Windows

    Zero Sightline Mullion on a Flush 70 Casement Window

    Concealed Trickle Vent Cover

    The aesthetic method of fitting Overhead Trickle Vents

    Concealed Trickle Vent Cover on a Choices Window

    The Most Secure Locking System Around

    Find Out More >>


    We are here to Help


    Use our REQUEST A CALLBACK, choose a time that suits you best and a specialist will call you back to discuss your requirements


    It could not be easier! Simply visit the 'Choices' downloads centre, enter your details and then download the FREE ‘Choices’ brochures to keep


    View our product galleries to see a wide range of ‘Choices’ Windows, Doors and Conservatories installed for other satisfied ‘Choices’ customers

    Customer Testimonials

    Contact Daventry (Insulglass) Windows

    Call us on 01327 878199

    ...or let us CALL YOU BACK at a time convenient that suits you to discuss your all UPVC or Aluminium requirements.