KL Window Doctor LTD

Business Office Address - 1 Hollie Close, Smallfield, RH6 9QF

Company Registration Number - 11407693

Registered in England and Wales

Email - contact@klwindowdoctor.com

Tel - 0800 0614726



KL Window Doctor is a family run company with over 30 years combined experience in the replacement window industry, with a highly acclaimed history of improving homes throughout South London, Surrey and West Sussex.
We offer FREE advice on any projects that you may be thinking of pursuing in the future and pride ourselves on giving good, honest advice and prices tailored to meet all budgets.
We are happy to offer you a wide range of services and products to meet every demand, with an extensive range of designs to help you make an informed choice.


  • We offer quality, energy efficient, 'A' rated and A+12 rated windows and doors.

  • No pushy salesmen, we will send one of our home improvement specialists to your home to discuss what you need from your new Windows & Doors.

  • We will offer recommendations for designs that will suit your home but always leave the final choice up to you.

  • NO nonsense pricing, giving you the best price available for your new Windows & Doors.

  • A ten-year insurance backed guarantee.


  • UPVC Windows

  • Aluminium Windows

  • Composite Doors

  • UPVC Front & Back

  • Bi-Fold Doors

  • Porches

  • Roof-line Services E.g. Fascia, Soffits & Guttering

Being a CERTASS registered double glazing installation company ensures you that all our installations meet the current building regulations.
We will also arrange a CERTASS certificate as soon as the work is complete, this is the same as a FENSA certificate. 

We also offer a professional REPAIR services to London and the South East. We are specialists in this area and if a window/door does not need to be replaced we will always give you the option to have it repaired. We always say if it can be repaired why pay for new!

Window Repairs: 

  • Misted Sealed Units 

  • Replacement Glazing 

  • Broken Gearing Handles 

  • Locks 

  • Hinges Draughts/Re-Sealing

  • Tilt & Turn Windows

  • Lead & Georgian UPVC 

  • Wood 

  • Aluminium Triple Glazing 

  • Velux Windows Extra Security Fitted 

Door Repairs: 

  • Front doors 

  • Patio & French Doors

  • UPVC 

  • Wood & Aluminium 

  • Patio Door Tracks & Rollers 

  • Door Panels Handles 

  • Locks 

  • Hinges 

  • Mechanical Repairs 

  • Replacement Keys 

  • Letter Boxes 

  • Cat Flaps / Dog Flaps 

  • Replacement Parts Extra Security Fitted 

Conservatory Repairs: 

  • Roof Repairs & Replacement 

  • Misted Sealed Units 

  • Conservatory Cleaning 

  • Draughts / Re-Sealing 

  • Leaking Gutters 

  • Handles 

  • Locks 

  • Hinges 

  • Emergency Boarding 

  • Cat Flaps / Dog Flaps 

  • Insurance Quotes 

  • Weather Damage 

  • Extra Security Fitted

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KL Window Doctor LTD - 1 Hollie Close, Smallfield, RH6 9QF

Company Registration Number - 11407693

Registered in England and Wales

Email -contact@klwindowdoctor.com

Tel - 0800 0614726