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About us

John Clements, Owner of Crystal WindowsEstablished in 1997, we remain a true family company. I am John Clements, the owner of Crystal Windows and my right hand men are also my kids! Our team are always on hand to answer your questions and to show you different options when it comes to replacement windows and doors.

Crystal Windows is the most recommended window replacement company on the Costa Blanca, and has been for the last 20 years!


We all work legally in Spain and are covered by our public liability insurance.

All our staff are committed to doing the very best for our customers.   We are multi lingual – between us, we speak English, Spanish, German, French and Dutch.



Jack Sanders at Crystal Windows

JACK SANDERS is one of our highly experienced and professional sales people here at Crystal Windows.

At the young age of 25, Jack has a wealth of experience which defies his years, having worked in this industry both here and the UK.

A very presentable and charming young man, he will ensure that you are well catered for whilst receiving the best possible advice on design, installation and product choice.





Keith Nelson at Crystal Windows



A relative newcomer to the team, since July 2017,  Keith has many years experience of working within this industry back in the UK. In a very short time he has come to understand and ‘get to grips with’ the enormous differences between the requirements of producing and installing windows in the UK compared to here in Spain.

Well spoken and a friendly personality, Keith is here to ensure that you receive the best possible advice throughout the process of buying with Crystal Windows.



JANINA is probJaninaably the first person that will greet you when you come to our Showroom and factory in Pedreguer. She speaks German, Spanish and English. She will make your visit to us a very personal and interesting trip. Janina heads up our reception area, and programmes in all the installations and remedial works






Meet ALEX!  Alex was previously with Deutsche Landes Bank but has been with Crystal Windows for 4 years.  Alex is the number cruncher and accounts lady in the business!  You will always get a beautiful smile from Alex when you meet her!





Crystal Windows Factory




TONY is one of our highly experienced fabricators.  He has 18 years curving and fabricating experience in aluminium and PVC.  He has worked with Crystal Windows for the past 13 years and is highly experienced and an real asset to the company.



Manufacturing arches at Crystal Windows

SALVADOR is 47 and has been with Crystal Windows for over 10 years.  However, his 29 years experience in curving and fabricating aluminium and PVC windows means that his expertise is second to none in the industry.



Fitters at Crystal Windows

RYAN CLEMENTS has 6 years experience fitting windows and doors in Spain.  Ryan works with MARC CLEMENTS, who has over 7 years experience, as one of our team of fitters.   They are John’s sons and as such, are the second generation of Crystal Windows.  Our other team of fitters are JOHN WIGNAL SNR and his son, JOHN WIGNAL Jnr.  John is following in the steps of his father, who has over 25 years fitting experience both in the UK and on the Costa Blanca.  John Snr has been with Crystal Windows for 10 years and John Jnr, for a healthy 8 years.   They are skilled not only in window fitting, but in all the associated building works that may be needed, even for relatively straightforward projects; eg. blockwork, plastering, and tiling


GABRIEL has beePlanning your installation at Crystal Windowsn with the company for several years and is the linchpin of the operation.  He is the one that organises your order to be manufactured to your exacting standards on time, and with absolute attention to detail.




Manufacturing at Crystal Windows


RYAN CLEMENTS is, in some respects, John’s right hand man and oldest son!  Having worked in the family business for many years, he has an all round knowledge of the industry – both in terms of manufacturing and fitting.  His current role is heading up one of our teams of fitters.  So, when you come to have your new windows or doors installed, it may well be Ryan that does the perfect job for you!


Second family generation at Crystal Windows

CALLUM CLEMENTS, another ‘second generation’ of Crystal Windows,  has been working within the business for just over 2 years now.  He is learning the business on the factory floor – helping with the manufacturing processes of our windows, particularly our ‘curved windows’ processes.


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