L & O Windows
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Established in 2005, L & O Windows Ltd specialises in the installation of conservatories, doors, windows, porches and carports across King's Lynn and other areas in Norfolk. We also serve Cambridgeshire and Lincolnshire. L&O Windows Ltd is a well-established, family run uPVC installation company that has over 15 years of experience in the industry.

We pride ourselves on our commitment to providing a professional and speedy service at all times, whilst maintaining the highest quality of work and keeping the cost to a minimum. We do not subcontract our projects, so you can rest assured that you will get quality services from experienced installers.

We can supply and install windows, doors and conservatories according to your specifications. We offer a free home consultation and quotation to all our customers. Our consultants listen to your requirements and offer helpful design ideas to make your dreams come true. We are supported by Window Installers Warehouse (WIW) - a new concept developed by one of the leading manufacturers and suppliers of uPVC doors, windows and conservatories.
Services
Our composite doors are finished in white, red, green, blue, black and light oak. They are an ideal replacement for your lovely old, wooden doors, that are more prone to droughts. Made using strong, durable GRP material with a textured wood grain finish, they look similar to wooden doors and look perfect for old homes as well as modern houses.
Patio doors bring the views of your garden into your living room. No more wind ripping the door out of your hands: these beautiful doors slide on stainless steel tracks and operate effortlessly. Patio doors come in 2, 3 and 4-pane designs that can infill an aperture up to 6 meters wide. We also have tilt and slide patio doors that are ideal for rooms that have no other forms of ventilation.
L & O Windows Ltd's unique roof systems can transform your sunroom into a comfortable living space, no matter the season. Our extensive range of roofing tiles can transform a standard conservatory into a stunning garden room. Each roof is made to measure and installed by our experienced team for clients across King's Lynn and other areas in Norfolk.
Whether free-standing or wall attached, our carports are often labelled as unique, premium, luxury or high-end. L & O Windows Ltd designs and installs carports that can protect your car from the elements, and add beauty to your exteriors. They are strong, beautiful and offer complete value for money.
Need strong and durable fascias and soffits for your roofline? L & O Windows Ltd has over 20 years of experience in installing roofline products throughout King's Lynn and other areas in Norfolk, Cambridgeshire and Lincolnshire. Whether you need to install a guttering system for your new build or your existing roofline needs replacing, you can count on L & O Windows Ltd.
Reviews (6)
Day Dreamer
Day Dreamer
Nov 05, 2021
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Installation was faultless. The workmanship was beyond a gold star. Absolutely a job well done. The two fitters are a credit to the firm. Everywhere was spotless. No marks anywhere. We cannot thank them enough. We found Luke to be very knowledgeable and very helpful throughout our conversations with him. Will whole heartedly recommend to anyone who are interested in having new PVC windows. Thank you again.
Mark Bradley
Mark Bradley
Dec 12, 2020
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Great service as usual, fitted new bi fold doors and several windows, thanks Luke & Ollie
Laura Miller
Laura Miller
Jun 29, 2020
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Our windows were fitted last March by L&O having been recommended to us. Luke was knowledgeable and professional at the first appointment. Shaun and Olly fitted the windows and did an absolutely first class job. Excellent fitters and Professional, friendly and kind to boot. Also cleared up well afterwards which was appreciated with 2 little ones at home at the time. Thank you all so much. A year on and still so very happy with new windows and door. Best wishes Laura and Roger Miller.
John Dick
John Dick
Oct 13, 2019
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Good products BUT at the moment we are waiting on an additional window which seems to be taking time to produce a quote from early September and numerous phone calls since that date. I suppose the order is TOO small but we have spent ££££s with them over the last 4years.
Keith Gyles
Keith Gyles
Jul 31, 2019
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Very poor service and installation.
Badly fitted, not square, obscure glazing units assembled out of true (patterned glass and Georgian bars not aligned). too many Georgian bars in some windows, a number of units not foamed.
Gave Luke plenty of opportunity to correct these issues, but I guess he couldn’t be bothered.
John Rospopa
John Rospopa
Jul 11, 2019
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Very helpful without a "hard sell". Really pleased with the windows, we had both sash and casement, and the fitters were polite, efficient and friendly. The fitters cleaned up really well after themselves.