RTE are leading manufacturers, suppliers and installers of double glazed UPVC windows and doors, stylish conservatories and porches.
Helping home improvement in Blackburn, Darwen, Burnley, Preston and throughout Lancashire.

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bespoke conservatory

Conservatory design and build

When it comes to selecting a conservatory, we will not be beaten for quality or service. Our vast range means that, whatever the style, you won’t find a more satisfactory solution. Victorian, Edwardian, Pavilion, Traditional or Bespoke, we have something for everyone.


We design your conservatory, orangery or extension with the latest computer design equipment. We manufacture our products to meet the industry’s quality assurance standards.


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Replacement UPVC windows

UPVC windows aren’t just there to look pretty. Our windows are maintenance free, but come with the highest energy rating on the market. You can rest assure that you will find an attractive, secure, energy-efficient style.


We have a wide choice of colour options and finishes. For added peace of mind, our UPVC windows come with a high security frame. These feature the latest multi-point locking system.


Choose from Casement, Sliding Sash, Bays, Bows and Tilt & Turn.


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replacement windows and matching doors
white upvc replacement door

Replacement doors

Finding the right windows and doors can refresh your living space and create a real style statement. You might be looking to flood your rooms with more natural light. Create a striking entrance to your home, or even bring the outdoors in. Whatever your goals, we’re here to help bring your vision to life with our range of doors.


Our wide range of designs means we have a solution for every situation. Composite, UPVC, French, Sliding Patio and Bi-Folding.


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solid roof conservatory

Solid Roof

You can have a practical, year-round living space with our ultra light weight solid roof system.


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stone effect and black frame porch from Porch builders RTE


Make an entrance with a distinctive Porch gain extra space, greater insulation and security.


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wood effect roofline


A complete, high-performance PVC roofline system. That looks good and is maintenance free.


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Request a Quote

Contact us to find out more about our windows and doors or arrange your no obligation design and installation quote.

Read our Blogs

Checkout our latest blogs and articles for useful hints, tips and detailed product information and comparison.

See our Showroom

Visit our showroom with full size displays, giving you the opportunity to look and feel the products without any pressure.