A SASH WINDOW WIZARD Menu

A Sash window wizard was established in 2005 by Andrew Williamson a City and Guilds qualified carpenter with many years experience in the timber window industry to provide a quality timber window and door installation repair service to the home owners of South London, West London and Surrey.

A family affair

The business is family run with the help of a small team of carefully selected installers all personally trained to very high standards not only in workmanship, but also to treat each and every customers home with respect and courtesy.

We pride ourselves on being punctual, tidy and organised and have literally hundreds of contactable customers who will vouch for this! Ask to see our book of testimonials which include contact details for completed jobs in most areas of South London, West London and Surrey.

If we carry out a small repair or a full house of replacement windows you can be sure of a first class job with the minimum of disruption carried out by our courteous staff.

Our replacement windows offer the best value for money in the industry and our refurb and draughtproof service is the most comprehensive service available at a very competitive price.

A Sash Window Wizard is a FENSA registered business and has been vetted and authorised to issue insurance backed guarantees to offer our customers peace of mind.

Get in touch with us for more information >
  • Really friendly, reliable and efficient service. We had our windows replaced in several blocks and the same guy came each time, he was so tidy and the windows have transformed our house!

    ACTON, W3

  • Andy and his team did exactly what they said they would, when they said they would. They were a joy to have around and the result is even better than I hoped. Rear windows next!

    CHISWICK, W4

  • Very happy with the service. We recommend A Sash Window Wizard to everyone needing help with their windows. Very good value for money.

    WANDSWORTH, SW18

  • Efficient service. It does make a difference-the house definitely holds heat better now. Professional and no fuss.

    EPSOM, KT19

  • Windows are fabulous-only wish I’d had them done ages ago!

    CHISWICK, W4

  • We are really happy with our windows. The work was carried out with little disruption or fuss.

    EPSOM, KT17

  • Friendly, courteous, professional but above all came at the agreed time and carried out work meticulously to plan.

    REIGATE, RH2

  • We are extremely pleased with the finished product.

    KINGSTON, KT1

  • Very professional job. So wonderful to find a company that delivers on its promises on time!

    SURBITON, KT6

  • Extremely pleased with all aspects of the work.

    BATTERSEA, SW11

  • All I can say is thank you very much Andy and staff. I have already recommended you to a friend.

    WIMBLEDON, SW19

  • Good value, well built product. Exemplary.

    WALTON ON THAMES, KT12

  • Reliable, friendly, professional. I have no hesitation in recommending ‘A Sash Window Wizard’ to other potential customers.

    CLAPHAM, SW4