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John Clements
John Clements

I’m John Clements, owner of Crystal Windows, Doors, Conservatories and Glass Curtains.  I began the business in 1997, and it has steadily grown into the most recommended window company on the Costa Blanca.  We are based on the Las Galgues Industrial Estate in Pedreguer, where we have our factory and showroom.  We still remain a true family run company. I am pleased to say that 4 of my children work in the business with me, and 3 of our fabricators are actually brothers! I’m proud of what we’ve achieved over the last 21 years.  I’ve surrounded myself with a great team of people who  are always on hand to answer your questions and to show you different options when it comes to replacement windows and doors.


Anja is the first point of contact when you come into the Showroom and Factory. I speak German, Spanish and English
Crystal Windows
I'm Jack! I've been with Crystal Windows for 2 years now, heading up their sales and design team. I enjoy doing the best for our clients and suggesting ideas and designs that really make a difference to peoples' lifestyles. In my spare time I enjoy mountain biking, jet skiing, sailing and motor cross sports.


I'm Gabriel and I've worked at Crystal Windows for 12 years. I'm in charge of the production here and scheduling the installations. I'm married with children and in my spare time I like to play sports.
I'm Glen Clements and I've worked here for 4 years. I prepare the quotes and work alongside Gabriel in the planning office. I like the good reputation of the company and dealing with clients. I like any type of exercice.
My name is Juan Naranjo Rubio and I've worked here for 6 years and am responsible for the maufacture of our glass curtains. I love the fact that every day there is something new. In my spare time, I like to hike in the countryside
Hi, I'm Miguel and I've worked at Crystal Windows for 6 years. I'm a fabricator working in the factory. There is always a great atmosphere here. In my spare time, I like to play padel tennis
I'm Roberto Alfaro Delgado. I'm a fabricator and have worked here for 4 years. I really enjoy the work and the great atmosphere. In my spare time, I like to play darts.
Hello, I'm Salvador and I've worked here for 13 years. I am our No 1. Specialist Technician on curving fabrications. I like the seriousness on the part of the company and the great atmosphere. I like playing sports and watching films.
Crystal Windows
I'm Sergio. I've worked with Crystal Windows for 6 years. I am a fabricator in both aluminium and PVC. I love the work here and I enjoy the comaraderie I have with my workmates. I'm married with children and in my spare time, I enjoy many sports.
I'm Tony Alfaro Delgado and I've worked here for 2 years. I work with Salvador on the technical curving machine. I love the good atmosphere here and the camaraderie I have with my colleagues. In my spare time, I like to play sports
I'm Tony Perez Cabrera and I've worked here for 9 years. I am a fabricator and I love it! I'm lucky because not only is this my job, it's also my passion. In my spare time, I like to play sports.
Hi I'm Antonio Serra. I've worked here for 1 year curving and glass machines. I like the atmosphere here. I like to play football when I'm not at work.
Hi I'm David Nieto. I've worked here for 12 years and I am a fabricator. There's great teamwork here, which I really enjoy. When I'm not at work, I like to be with my family and friends.
Marc Clements of Crystal Windows
I'm Marc Clements and I've worked here for 11 years. I am part of the fitting team and I love everything about my job. I don't have many hobbies - I just like to enjoy life!


I'm Ryan Clements and I am head of the fitting team.....
I'm Arthur and I am a fitter alongside Ryan....
I'm Miguel and I am a fitter...


I'm Alex. I've been here since 2011, having spent 3 years on Reception but now I work in the Accounts Department. I work very closely with all our departments to ensure that everything runs smoothly. In my spare time, I am a mother and love spending time with my family.
Hi, I am Nicole, the receptionist, and I will be the first person you will see or hear when contacting us. I speak several foreign languages. In my spare time I enjoy long walks with my dog. Please give me a call on 966 457 253, or call into our showroom, I am looking forward to speaking to you.

When I came over to Spain, I started fitting windows and doors, as that is what I did as a profession in the UK.  However, I soon found out that the quality of product here were inferior to the product I had been fitting in the UK.  So, that’s when I decided to start manufacturing my own windows and doors.  As a company, we now manufacture all of our products – windows, doors, conservatories and glass curtains.  We have installed state of the art curving machines, which can curve profiles to any dimension without having to join the profiles.  We are the only company on the Costa Blanca that can do this, and we are very proud of this.

From humble beginnings, back in 1997, Crystal Windows has  grown into the largest manufacturer of windows, doors, conservatories and glass curtains on the Costa Blanca.  We have a dedicated work force, fantastic team spirit and many of our employees have been with us for a long time.  I am very proud to say that my four sons have joined the business and continue to be, as all of our team, very valuable to our company.