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Our products have a comprehensive 10 Year guarantee, which includes the hardware (handles, hinges, locks)

Fensa Certificate

      (Fensa Original Company)



WHICH? Trusted Trader Code of Conduct




Your WHICH Trusted Trader, L F Replacement Windows

L.F Replacement Windows- Double Glazing Windows Wiltshire

At LF Replacement Windows & Conservatories we have years of experience in manufacturing and installing high quality manufactured double glazing in Wiltshire whether that is windows, doors, french doors, patio doors or stable doors.

We put our vast collected experience to use with every job we undertake to achieve the very best for every customer. We also understand the needs of customers surrounding replacement windows and doors and understand the value of excellent customer and after-sales service. As a result we have built a wide ranging customer base not just in Wiltshire, but in surrounding areas such as Bristol, Swindon, Bath, Malmesbury, Corsham, Pewsey, Bradford On Avon, Torwbridge, Marlborough and all surrounding areas.

Here at LF Replacement Windows & Conservatories, we only ever use the finest manufactured windows and doors. They are skilfully designed to fit in naturally and seamlessly with their surroundings, to provide better insulation for your home, to reduce your heating costs, as well as have the robust durability our customers over the years have come to expect from LF Replacement Windows & Conservatories.

All of our products come with a 10 year guarantee which includes everything down to every hinge, handle and lock. 

We are proud of being a Wiltshire WHICH Trusted Trader as well as being registered with the respected industry governing body FENSA. This means that when you use LF Replacement Windows & Conservatories you can do so with absolute peace of mind.

For a detailed look into the services that we provide as well as a comprehensive list of the windows, doors and conservatories that we manufacture and install, please download and take a look at our brochure. 

If you cannot find what you are looking for in our brochure please feel free to get in touch to find out how we might best be able to help you.

We firmly believe that we provide the best Wiltshire double glazing based on the quality and durability of our products, the efficiency of our service and our outstanding sales and customer service. Give us a call today to find out how you can benefit from our double glazing solutions

L F Replacement Windows is an audited company using a UKAS accredited company. 

The United Kingdom Accreditation Service is the sole national accreditation body recognised by the British government to assess the competence of organisations that provide certification, testing, inspection and calibration services

LF Replacment Windows is also a Government Endorsed Quality Trustmark Company.

We cover all areas in Wiltshire, Bristol, Bath, Swindon, Malmesbury, Corsham, Bradford On Avon, Trowbridge,  Pewsey, Marlborough, and all local areas to these.

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If you would like to discuss any of our products or services, please call 01249 655077 or fill out our enquiry form.

 L F Replacement Windows & Conservatories
Bumpers Farm Industrial Estate, Bumpers Way
Wiltshire SN14 6LH


5 Star Rating
Government Endorsed

We offer a FREE, no obligation quote service.

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which trusted trader


To use our design and manufacturing skills to provide quality and value for money in our products, which in turn will give long-term enhancement & maintenance free to your property.

We supply & install our products in both PVC-U, Aluminium, Composite and Timber.

We have therefore built up a loyal customer base to whom we have supplied and fit throughout the south-west.

Thanks for swift response. Such a great level of service is excellent and fully justifies the good reputation that LF continue to enjoy. I have heard some real horror stories from friends who, much to their regret, have used other local outfits and cannot get a thing done. 

Mr Smith (March 2014)
Pewsham Chippenham

Window & Door Brochure