New Doors & Replacement Windows in Horsham & the Surrounding Areas

Welcome to the website for Heath Windows Ltd, a specialist in the supply and installation of new doors and replacement windows. We work closely with domestic customers and commercial clients to find the perfect solution for their property improvement needs. From uPVC windows to bi-fold doors, and from double glazing to composite doors, we offer a start-to-finish service renowned for premium quality products and outstanding workmanship.


Based in Horsham, we operate throughout the surrounding areas, including Broadbridge Heath, Cranleigh, Crawley and the wider Sussex and Surrey areas.


Our full range of products and services includes:

  • uPVC Windows
  • Aluminium Windows
  • Aluminium Composite Windows
  • Wood Windows
  • Double Glazing
  • Bi-Fold Doors
  • Sliding Doors
  • Composite Doors
  • Roof Lanterns
  • Replacement Fascias & Soffits
  • Garage Doors
  • Conservatories
  • Orangeries

When it comes to new doors and replacement windows, Heath Windows Ltd covers every aspect of design, supply and fitting.


To schedule an initial consultation, and for a personalised quotation, call us on 01403 259 593. We happily travel to any location in Horsham, as well as those in Broadbridge Heath, Cranleigh and the neighbouring areas.


We operate with a completely honest approach. Our customers and clients pay no more or no less than their carefully assessed quotation. This ensures no creeping costs or nasty surprises come the completion of work.

Composite Doors in Horsham



Heath Windows Ltd proudly operates alongside our partner company, Heath Construction Ltd. As a construction company that holds more than 25 years of trade and industry experience, they have a local reputation for quality results and a dedication to impeccable customer service. Here at Heath Windows Ltd, we pride ourselves on operating with the same qualities. Our team shares more than 20 years of our own trade experience, so we have the expertise to handle projects of every kind and any size.


We proudly hold membership with Certass, a leading specialist in certification for the building industry. As part of their competent person scheme, we have proved our ability when it comes to installing composite doors, bi-fold doors, replacement windows and double glazing. In addition, we have also met a range of criteria demonstrating the financial soundness of our business.


What’s more, our team also operates in full compliance with MTC (minimum technical competencies) guidelines. This scheme ensures that all personnel in registered companies have the relevant experience, competencies and knowledge to carry out their services to the highest of standards.


From uPVC windows to roof lanterns, our customers and clients in Horsham and across Sussex and Surrey can rest assured that we complete our services on time and within budget.


Heath Windows Ltd offers 10-year, GGFi insurance-backed guarantees and operates with full public liability insurance coverage.


Our customers and clients should note that our registered name is Heath Windows Southern Ltd, but we trade as Heath Windows Ltd.

Why Choose Heath Windows Ltd?


  • We supply and fit premium quality doors and replacement windows
  • We supply products from leading manufacturers such as Halo, Rehau, AluK and Smarts
  • We offer sustainable home improvements with double glazing and composite doors
  • Based in Horsham, we cover Broadbridge Heath, Cranleigh, Sussex and Surrey
  • We install stylish features including bi-fold doors, sliding doors and roof lanterns


Heath Windows Ltd
Composite Doors in Horsham
Composite Doors in Horsham
Composite Doors in Horsham
Heath Windows Ltd
Composite Doors in Horsham